Automatic Transmission Unit Reassembly

Drivetrain. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
A750F Automatic Transmission Transaxle. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. BEARING POSITION

  2. ASSEMBLE NO. 4 BRAKE PISTON AND BRAKE REACTION SLEEVE

  3. INSTALL NO. 4 BRAKE PISTON WITH BRAKE REACTION SLEEVE

  4. INSTALL 1ST AND REVERSE BRAKE PISTON

  5. INSTALL 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY

  6. INSTALL REAR PLANETARY GEAR ASSEMBLY

  7. INSPECT PACK CLEARANCE OF 1ST AND REVERSE BRAKE

  8. INSTALL NO. 4 BRAKE DISC

  9. INSTALL BRAKE PLATE STOPPER SPRING

  10. INSTALL REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY

  11. INSTALL NO. 3 1-WAY CLUTCH ASSEMBLY

  12. INSTALL INTERMEDIATE SHAFT

  13. INSTALL CENTER PLANETARY GEAR ASSEMBLY

  14. INSTALL NO. 2 BRAKE PISTON

  15. INSTALL NO. 2 BRAKE DISC

  16. INSTALL NO. 1 BRAKE PISTON

  17. INSTALL BRAKE PISTON RETURN SPRING SUB-ASSEMBLY

  18. INSTALL BRAKE PISTON RETURN SPRING SNAP RING

  19. INSTALL NO. 1 BRAKE DISC

  20. INSTALL CENTER PLANETARY RING GEAR

  21. INSTALL FRONT PLANETARY RING GEAR

  22. INSTALL FRONT PLANETARY GEAR ASSEMBLY

  23. INSPECT PISTON STROKE OF NO. 1 BRAKE PISTON

  24. INSTALL 2ND BRAKE PISTON

  25. INSTALL 2ND BRAKE CYLINDER

  26. INSTALL 1-WAY CLUTCH ASSEMBLY

  27. INSTALL 2ND BRAKE PISTON HOLE SNAP RING

  28. INSTALL NO. 3 BRAKE DISC

  29. INSTALL NO. 3 BRAKE SNAP RING

  30. INSTALL DIRECT CLUTCH PISTON SUB-ASSEMBLY

  31. INSTALL REVERSE CLUTCH PISTON SUB-ASSEMBLY

  32. INSTALL REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY

  33. INSTALL NO. 3 CLUTCH BALANCER

  34. INSTALL DIRECT CLUTCH DISC

  35. INSPECT PACK CLEARANCE OF DIRECT CLUTCH

  36. INSTALL REVERSE CLUTCH FLANGE

  37. INSTALL REVERSE CLUTCH REACTION SLEEVE

  38. INSPECT PACK CLEARANCE OF REVERSE CLUTCH

  39. REMOVE REVERSE CLUTCH REACTION SLEEVE

  40. INSTALL FORWARD CLUTCH PISTON

  41. INSTALL NO. 1 CLUTCH BALANCER

  42. INSTALL FORWARD MULTIPLE DISC CLUTCH DISC

  43. INSTALL INPUT SHAFT OIL SEAL RING

  44. INSPECT PACK CLEARANCE OF FORWARD CLUTCH

  45. INSTALL INPUT SHAFT ASSEMBLY

  46. INSTALL MULTIPLE DISC CLUTCH HUB

  47. INSTALL FORWARD CLUTCH HUB SUB-ASSEMBLY

  48. INSTALL REAR CLUTCH DISC

  49. INSTALL REVERSE CLUTCH REACTION SLEEVE

  50. INSTALL REVERSE CLUTCH HUB SUB-ASSEMBLY

  51. INSTALL NO. 2 1-WAY CLUTCH ASSEMBLY

  52. INSTALL CLUTCH DRUM AND INPUT SHAFT ASSEMBLY

  53. INSTALL OIL PUMP ASSEMBLY

  54. INSTALL MANUAL VALVE LEVER SHAFT OIL SEAL

  55. INSPECT INDIVIDUAL PISTON OPERATION

  56. INSTALL MANUAL VALVE LEVER SUB-ASSEMBLY

  57. INSTALL PARKING LOCK PAWL SHAFT

  58. INSTALL PARKING LOCK ROD SUB-ASSEMBLY

  59. INSTALL PARKING LOCK PAWL BRACKET

  60. INSTALL C-1 ACCUMULATOR VALVE

  61. INSTALL C-3 ACCUMULATOR PISTON

  62. INSTALL B-3 ACCUMULATOR PISTON

  63. INSTALL C-2 ACCUMULATOR PISTON

  64. INSTALL BRAKE DRUM GASKET

  65. INSTALL TRANSMISSION CASE GASKET

  66. INSTALL CHECK BALL BODY

  67. INSTALL TRANSMISSION VALVE BODY ASSEMBLY

  68. INSTALL TRANSMISSION WIRE

  69. INSTALL VALVE BODY OIL STRAINER ASSEMBLY

  70. INSTALL TRANSMISSION OIL CLEANER MAGNET

  71. INSTALL AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY

  72. INSTALL REAR TRANS CASE ADAPTOR OIL RECEIVER

  73. INSTALL TRANSMISSION CASE ADAPTER REAR OIL SEAL

  74. INSTALL TRANSFER ADAPTER REAR

  75. INSTALL AUTOMATIC TRANSMISSION HOUSING

  76. INSTALL AUTOMATIC TRANSMISSION BREATHER TUBE

  77. INSTALL SPEED SENSOR

  78. INSTALL OIL COOLER TUBE UNION

  79. INSTALL PARK/NEUTRAL POSITION SWITCH ASSEMBLY

  80. INSTALL TRANSMISSION CONTROL SHAFT LEVER LH

Automatic Transmission Unit -- Reassembly



1. BEARING POSITION



Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly


Bearing and Race Diameter:

Mark
Front Race Diameter Inside/Outside
Thrust Bearing Diameter Inside/Outside
Rear Race Diameter Inside/Outside
A
74.3 to 74.6 mm (2.93 to 2.94 in.)/87.4 to 87.7 mm (3.44 to 3.45 in.)
72.0 to 72.3 mm (2.83 to 2.85 in.)/85.3 to 85.6 mm (3.36 to 3.37 in.)
-
B
37.0 to 37.3 mm (1.46 to 1.47 in.)/52.1 to 52.3 mm (2.05 to 2.06 in.)
34.7 to 34.9 mm (1.366 to 1.374 in.)/51.6 to 51.9 mm (2.03 to 2.04 in.)
-
C
-
21.4 to 21.6 mm (0.841 to 0.850 in.)/40.8 to 41.0 mm (1.606 to 1.614 in.)
22.7 to 22.9 mm (0.892 to 0.902 in.)/60.0 to 60.4 mm (2.36 to 2.38 in.)
D
33.3 to 33.5 mm (1.31 to 1.32 in.)/56.3 to 56.6 mm (2.22 to 2.23 in.)
38.5 to 38.7 mm (1.515 to 1.524 in.)/56.5 to 57.0 mm (2.22 to 2.24 in.)
-
E
-
42.6 to 42.8 mm (1.68 to 1.69 in.)/60.8 to 61.1 mm (2.39 to 2.41 in.)
-
F
38.0 to 38.2 mm (1.496 to 1.504 in.)/56.5 to 57.0 mm (2.22 to 2.24 in.)
43.4 to 43.6 mm (1.71 to 1.72 in.)/58.0 to 58.4 mm (2.28 to 2.30 in.)
-
G
-
55.8 to 56.0 mm (2.197 to 2.204 in.)/76.1 to 76.4 mm (2.996 to 3.008 in.)
53.8 to 54.0 mm (2.12 to 2.13 in.)/73.7 to 74.0 mm (2.90 to 2.91 in.)
H
33.4 to 33.6 mm (1.31 to 1.32 in.)/48.7 to 49.0 mm (1.92 to 1.93 in.)
32.2 to 32.3 mm (1.268 to 1.272 in.)/49.0 to 49.2 mm (1.93 to 1.94 in.)
32.2 to 32.4 mm (1.27 to 1.28 in.)/48.7 to 49.0 mm (1.92 to 1.93 in.)
I
-
21.5 to 21.8 mm (0.846 to 0.858 in.)/40.5 to 40.8 mm (1.59 to 1.61 in.)
-
J
-
43.6 to 43.9 mm (1.72 to 1.73 in.)/60.6 to 60.9 mm (2.39 to 2.40 in.)
47.2 to 47.4 mm (1.86 to 1.87 in.)/66.9 to 67.1 mm (2.63 to 2.64 in.)


2. ASSEMBLE NO. 4 BRAKE PISTON AND BRAKE REACTION SLEEVE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the brake reaction sleeve.

    Text in Illustration
    *1
    O-ring
  1. Coat 2 new O-rings with ATF, and install them to the No. 4 brake piston.

  1. Install the No. 4 brake piston to the reaction sleeve.



3. INSTALL NO. 4 BRAKE PISTON WITH BRAKE REACTION SLEEVE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the No. 4 brake piston with brake reaction sleeve to the transmission case

    NOTICE:
    1. Do not damage the O-rings.
    2. Make sure the No. 4 brake piston is underneath the brake reaction sleeve.


4. INSTALL 1ST AND REVERSE BRAKE PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF.

  1. Install the O-ring to the 1st and reverse brake piston.

  1. With the spring seat of the piston facing upwards (the front side), place the piston in the transmission case.

    NOTICE:
    Be careful not to damage the O-ring.
  1. Place the brake return spring onto the 1st and reverse brake piston.



5. INSTALL 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the brake return spring to the 1st and reverse brake piston.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Place SST on a new spring retainer, and compress the return spring.

    SST
    09350-30020(09350-07050)
  1. Using SST, install the snap ring.

    SST
    09350-30020(09350-07070)
    Text in Illustration
    *1
    Snap Ring


6. INSTALL REAR PLANETARY GEAR ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the No. 9 thrust bearing race.

    Thrust Bearing Race Diameter:
    Item
    Inside
    Outside
    No. 9 Race
    47.2 to 47.4 mm (1.86 to 1.87 in.)
    66.9 to 67.1 mm (2.63 to 2.64 in.)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat the 2 thrust needle roller bearings with petroleum jelly, and install them to the rear planetary gear.

    Thrust Needle Roller Bearing Diameter:
    Item
    Inside
    Outside
    Bearing J
    43.6 to 43.9 mm (1.72 to 1.73 in.)
    60.6 to 60.9 mm (2.39 to 2.40 in.)
    Bearing I
    21.5 to 21.8 mm (0.846 to 0.858 in.)
    40.5 to 40.8 mm (1.59 to 1.61 in.)
    Text in Illustration
    *1
    Bearing I
    *2
    Bearing J


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Install the rear planetary gear assembly.



7. INSPECT PACK CLEARANCE OF 1ST AND REVERSE BRAKE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Make sure the 1st and reverse brake piston moves smoothly when applying and releasing compressed air into the transmission case.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a vernier caliper, measure the level difference (length A) between the upper surface of the 1st and reverse brake piston and the hitting surface of the No. 4 brake flange at both ends across a diameter, and calculate the average.

    NOTICE:
    The 1st and reverse brake piston must be installed tightly to the end face of the transmission case.
    HINT:
    Length A = 36.35 to 37.09 mm (1.43 to 1.46 in.)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a vernier caliper, measure the thickness (length B) of the 2 brake flanges, 7 No. 4 brake plates and 8 No. 4 brake discs all together at both ends across a diameter, and calculate the average.

    HINT:
    Pack clearance = Length A - Length B - 0.25 mm (0.00984) - 1.8 mm (0.0709 in.)
    Length B = 36.04 to 37.14 mm (1.42 to 1.46 in.)
    Standard pack clearance:
    0.8 to 1.1 mm (0.0315 to 0.0433 in.)
    If the pack clearance is outside the standard, select and install a brake flange that makes the pack clearance within the standard.
    H Thickness:
    No.
    Thickness
    0
    0 mm (0 in.)
    2
    0.15 to 0.25 mm (0.00590 to 0.00984 in.)
    4
    0.35 to 0.45 mm (0.0138 to 0.0177 in.)
    6
    0.55 to 0.65 mm (0.0217 to 0.0256 in.)
    8
    0.75 to 0.85 mm (0.0295 to 0.0335 in.)
    10
    0.95 to 1.05 mm (0.0374 to 0.0413 in.)
    12
    1.15 to 1.25 mm (0.0453 to 0.0492 in.)
    14
    1.35 to 1.45 mm (0.0531 to 0.0571 in.)


8. INSTALL NO. 4 BRAKE DISC


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 2 flanges, 8 discs and 7 plates.

    Install in order:
    *1 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *1
    Text in Illustration
    *1
    Flange
    *2
    Disc
    *3
    Plate


9. INSTALL BRAKE PLATE STOPPER SPRING


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly


10. INSTALL REAR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the thrust bearing race, thrust needle roller bearing, thrust bearing race and planetary ring gear flange to the intermediate shaft.

    Thrust Needle Roller Bearing and Race Diameter:
    Item
    Inside
    Outside
    Race H Front
    33.4 to 33.6 mm (1.31 to 1.32 in.)
    48.7 to 49.0 mm (1.92 to 1.93 in.)
    Bearing H
    32.2 to 32.3 mm (1.268 to 1.272 in.)
    49.0 to 49.2 mm (1.93 to 1.94 in.)
    Race H Rear
    32.2 to 32.4 mm (1.27 to 1.28 in.)
    48.7 to 49.0 mm (1.92 to 1.93 in.)
    Text in Illustration
    *1
    Race H Front
    *2
    Bearing H
    *3
    Race H Rear


11. INSTALL NO. 3 1-WAY CLUTCH ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 1-way clutch and 1-way clutch inner race to the intermediate shaft.



12. INSTALL INTERMEDIATE SHAFT


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the intermediate shaft with No. 3 1-way clutch assembly to the case.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using SST, install the snap ring.

    SST
    09350-30020(09350-07060)


13. INSTALL CENTER PLANETARY GEAR ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the planetary sun gear and center planetary gear to the case.

  1. Coat the No. 6 thrust bearing race with petroleum jelly, and install it to the center planetary gear.

    Thrust Bearing Race Diameter:
    Item
    Inside
    Outside
    Race
    53.8 to 54.0 mm (2.12 to 2.13 in.)
    73.7 to 74.0 mm (2.90 to 2.91 in.)


14. INSTALL NO. 2 BRAKE PISTON


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the brake piston.

    Text in Illustration
    *1
    O-ring
  1. Press the brake piston into the brake cylinder with both hands.

    NOTICE:
    Be careful not to damage the O-rings.
  1. Install the No. 2 brake piston to the case.



15. INSTALL NO. 2 BRAKE DISC


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the brake piston return spring.

  1. Install the 3 plates, 3 discs and flange.

    Install in order:
    *1 - *2 - *1 - *2 - *1 - *2 - *3
    Text in Illustration
    *1
    Disc
    *2
    Plate
    *3
    Flange


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using SST and a press, compress the return spring and install the No. 2 brake spring snap ring.

    SST
    09351-40010


16. INSTALL NO. 1 BRAKE PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the brake piston.

    Text in Illustration
    *1
    O-ring
  1. Press the brake piston into the brake cylinder with both hands.

    NOTICE:
    Be careful not to damage the O-rings.


17. INSTALL BRAKE PISTON RETURN SPRING SUB-ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the brake piston return spring and No. 1 brake piston with No. 1 brake cylinder to the transmission case.



18. INSTALL BRAKE PISTON RETURN SPRING SNAP RING


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using SST and a press, compress the return spring and install the brake piston return spring snap ring.

    SST
    09351-40010


19. INSTALL NO. 1 BRAKE DISC


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 3 plates, 3 discs and flange.

    Install in order:
    *1 - *2 - *1 - *2 - *1 - *2 - *3
    Text in Illustration
    *1
    Plate
    *2
    Disc
    *3
    Flange


20. INSTALL CENTER PLANETARY RING GEAR


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the center planetary ring gear and front planetary ring gear flange to the front planetary ring gear.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a screwdriver, install the snap ring.



21. INSTALL FRONT PLANETARY RING GEAR


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the front planetary ring gear and thrust needle roller bearing to the case.

    Thrust Needle Roller Bearing Diameter:
    Item
    Inside
    Outside
    Bearing G
    55.8 to 56.0 mm (2.197 to 2.204 in.)
    76.1 to 76.4 mm (2.996 to 3.008 in.)


22. INSTALL FRONT PLANETARY GEAR ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the thrust washer and thrust needle roller bearing.

  1. Coat the No. 5 thrust race with petroleum jelly, and install it to the front planetary ring gear.

    Thrust Needle Roller Bearing and Race Diameter:
    Item
    Inside
    Outside
    Bearing F
    43.4 to 43.6 mm (1.71 to 1.72 in.)
    58.0 to 58.4 mm (2.28 to 2.30 in.)
    Race F
    38.0 to 38.2 mm (1.496 to 1.504 in.)
    56.5 to 57.0 mm (2.22 to 2.24 in.)
    Text in Illustration
    *1
    Bearing F
    *2
    Race F


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the front planetary gear assembly and 1-way clutch inner race to the case.



23. INSPECT PISTON STROKE OF NO. 1 BRAKE PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Make sure the No. 1 brake piston moves smoothly when applying and releasing compressed air into the transmission case.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a feeler gauge, measure the B3 brake pack clearance between the snap ring and flange.

    Standard piston stroke:
    0.42 to 0.72 mm (0.0165 to 0.0283 in.)
    If the piston stroke is outside the specification, parts may have been assembled incorrectly. Perform the reassembly again. If the piston stroke is still outside the specification, select another flange.
    HINT:
    There are 4 different thicknesses for the flange.
    Flange Thickness:
    Mark
    Thickness
    0
    1.95 to 2.05 mm (0.0768 to 0.0807 in.)
    1
    2.15 to 2.25 mm (0.0846 to 0.0886 in.)
    2
    2.35 to 2.45 mm (0.0925 to 0.0965 in.)
    3
    2.55 to 2.65 mm (0.100 to 0.104 in.)


24. INSTALL 2ND BRAKE PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the 2nd brake piston.

    Text in Illustration
    *1
    O-ring
  1. Press the 2nd brake cylinder into the 2nd brake piston with both hands.

    NOTICE:
    Be careful not to damage the O-rings.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using SST and a press, compress the return spring and install the snap ring.

    SST
    09351-40010
    NOTICE:
    Be sure the end gap of the snap ring is not aligned with the spring retainer claw.


25. INSTALL 2ND BRAKE CYLINDER


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 2nd brake cylinder to the case.



26. INSTALL 1-WAY CLUTCH ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the thrust washer and 1-way clutch to the case.



27. INSTALL 2ND BRAKE PISTON HOLE SNAP RING


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using SST, install the snap ring.

    SST
    09350-30020(09350-07060)


28. INSTALL NO. 3 BRAKE DISC


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the cushion plate, 4 plates, 4 discs and flange to the case.

    Install in order:
    *1 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *4
    Text in Illustration
    *1
    Cushion Plate
    *2
    Plate
    *3
    Disc
    *4
    Flange


29. INSTALL NO. 3 BRAKE SNAP RING


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a screwdriver, install the snap ring.



30. INSTALL DIRECT CLUTCH PISTON SUB-ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the direct clutch piston.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the No. 2 clutch balancer and direct clutch return spring to the direct clutch piston.

  1. Press the direct clutch piston into the clutch drum with both hands.

    NOTICE:
    Be careful not to damage the O-rings.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Place SST on the direct clutch piston, and compress the return spring with a press.

    NOTICE:
    Stop pressing when the spring sheet is lowered to a position 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove to prevent the spring sheet from being deformed.
    SST
    09320-89010
    09350-30020(09350-07070)
  1. Install the snap ring with a snap ring expander.

    NOTICE:
    Do not expand the snap ring excessively.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Set the end gap of the snap ring in the piston as shown in the illustration

    Text in Illustration
    *1
    Stopper
    NOTICE:
    Be sure the end gap of the snap ring is not aligned with the spring retainer claw.


31. INSTALL REVERSE CLUTCH PISTON SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF, and install it to the clutch drum.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF, and install it to the reverse clutch piston.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Press the clutch drum into the reverse clutch piston with both hands.

    NOTICE:
    Be careful not to damage the O-ring.


32. INSTALL REVERSE CLUTCH RETURN SPRING SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Coat a new O-ring with ATF, and install it to the reverse clutch piston.

    Text in Illustration
    *1
    O-ring
  1. Install the reverse clutch return spring to the reverse clutch piston.



33. INSTALL NO. 3 CLUTCH BALANCER


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Place SST on the No. 3 clutch balancer, and compress the clutch balancer with a press.

    SST
    09387-00070
    09350-30020(09350-07070)
    NOTICE:
    Stop pressing when the spring sheet is lowered to a position 1 to 2 mm (0.0393 to 0.0787 in.) from the snap ring groove to prevent the spring sheet from being deformed.
  1. Install the snap ring with a snap ring expander.

    NOTICE:
    Do not expand the snap ring excessively.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Set the end gap of the snap ring in the piston as shown in the illustration.

    NOTICE:
    Be sure the end gap of the snap ring is not aligned with the spring retainer claw.


34. INSTALL DIRECT CLUTCH DISC


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. for 1GR-FE:
    Install the 5 plates, 5 discs and reverse clutch flange to the clutch drum.

    Install in order:
    *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *3
    Text in Illustration
    *1
    Plate
    *2
    Disc
    *3
    Flange


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. for 1KD-FTV:
    Install the 6 plates, 6 discs and reverse clutch flange to the clutch drum.

    Install in order:
    *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *3
    Text in Illustration
    *1
    Plate
    *2
    Disc
    *3
    Flange


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a screwdriver, install the 2 hole snap rings to the clutch drum.



35. INSPECT PACK CLEARANCE OF DIRECT CLUTCH


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a dial indicator, measure the moving distance (distance A) of the clutch flange at both ends across a diameter while applying air to the oil hole as shown in the illustration, and calculate the average.

    Standard pack clearance for 1GR-FE:
    0.5 to 0.8 mm (0.0197 to 0.0315 in.)
    Standard pack clearance for 1KD-FTV:
    0.6 to 0.9 mm (0.0236 to 0.0354 in.)
    NOTICE:
    When measuring the moving distance, install a standard flange (thickness: 3.4 mm (0.134 in.)) to the position of the shaded area in the illustration.
    HINT:
    Flange moving distance A = 0.26 to 1.14 mm (0.0102 to 0.0449 in.)
    Pack clearance = Flange moving distance A - 0.05 mm (0.00197 in.)
    If the pack clearance is outside the standard, select and install a clutch flange that makes the pack clearance within the standard.
    Flange Thickness:
    Mark
    Thickness
    2
    2.95 to 3.05 mm (0.116 to 0.120 in.)
    3
    3.05 to 3.15 mm (0.120 to 0.124 in.)
    4
    3.15 to 3.25 mm (0.124 to 0.128 in.)
    5
    3.25 to 3.35 mm (0.128 to 0.132 in.)
    6
    3.35 to 3.45 mm (0.132 to 0.136 in.)
    7
    3.45 to 3.55 mm (0.136 to 0.140 in.)
    8
    3.55 to 3.65 mm (0.140 to 0.144 in.)
    9
    3.65 to 3.75 mm (0.144 to 0.148 in.)
    A
    3.75 to 3.85 mm (0.148 to 0.152 in.)


36. INSTALL REVERSE CLUTCH FLANGE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the reverse clutch flange to the clutch drum.



37. INSTALL REVERSE CLUTCH REACTION SLEEVE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 5 reverse clutch discs, 4 clutch plates, reverse clutch flange, clutch cushion plate and reverse clutch reaction sleeve to the reverse clutch hub.

    Install in order:
    *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *1 - *3 - *4 - *5
    Text in Illustration
    *1
    Disc
    *2
    Plate
    *3
    Flange
    *4
    Cushion Plate
    *5
    Reverse Clutch Reaction Sleeve
  1. Using a screwdriver, install the hole snap ring.



38. INSPECT PACK CLEARANCE OF REVERSE CLUTCH



Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly

  1. Using a dial indicator, measure the reverse clutch piston stroke (distance A) and the moving distance (distance B) of the reverse flange at both ends across a diameter while applying air (392 kPa (4.0 kgf/cm2, 57 psi)) to the oil hole as shown in the illustration, and calculate the average.

    Standard pack clearance:
    0.5 to 0.8 mm (0.0197 to 0.0315 in.)
    NOTICE:
    When measuring the moving distance, install a standard flange (thickness: 3.3 mm (0.130 in.)) to the position of the shaded area in the illustration.
    HINT:
    Piston stroke A = 1.05 to 2.15 mm (0.0413 to 0.0846 in.)
    Flange moving distance B = 0.72 to 1.08 mm (0.0283 to 0.0425 in.)
    Pack clearance = Piston stroke A - Flange moving distance B - 0.06 mm (0.00236 in.)
    If the pack clearance is outside the standard, select and install a clutch flange that makes the pack clearance within the standard.
    Flange Thickness:
    Mark
    Thickness
    0
    2.75 to 2.85 mm (0.108 to 0.112 in.)
    1
    2.85 to 2.95 mm (0.112 to 0.116 in.)
    2
    2.95 to 3.05 mm (0.116 to 0.120 in.)
    3
    3.05 to 3.15 mm (0.120 to 0.124 in.)
    4
    3.15 to 3.25 mm (0.124 to 0.128 in.)
    5
    3.25 to 3.35 mm (0.128 to 0.132 in.)
    6
    3.35 to 3.45 mm (0.132 to 0.136 in.)
    7
    3.45 to 3.55 mm (0.136 to 0.140 in.)
    8
    3.55 to 3.65 mm (0.140 to 0.144 in.)
    9
    3.65 to 3.75 mm (0.144 to 0.148 in.)
    A
    3.75 to 3.85 mm (0.148 to 0.152 in.)


39. REMOVE REVERSE CLUTCH REACTION SLEEVE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a screwdriver, remove the snap ring from the clutch drum.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Remove the reverse clutch reaction sleeve, clutch cushion plate, reverse clutch flange, 5 reverse clutch discs, and 4 clutch plates from the reverse clutch hub.



40. INSTALL FORWARD CLUTCH PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the forward clutch piston.

    Text in Illustration
    *1
    O-ring


41. INSTALL NO. 1 CLUTCH BALANCER


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF and install it to the clutch balancer.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the clutch balancer and forward clutch return spring.

    NOTICE:
    Be careful not to damage the O-ring.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Place SST on the No. 1 clutch balancer, and compress the return spring with a press.

    SST
    09350-30020(09350-07040,09350-07070)
    NOTICE:
    Stop pressing when the spring sheet is lowered to a position 1 to 2 mm (0.0393 to 0.0787 in.) from the snap ring groove to prevent the spring sheet from being deformed.
  1. Install the snap ring with a snap ring expander.

    NOTICE:
    Do not expand the snap ring excessively.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Set the end gap of the snap ring in the piston as shown in the illustration.

    NOTICE:
    Be sure the end gap of the snap ring is not aligned with the spring retainer claw.


42. INSTALL FORWARD MULTIPLE DISC CLUTCH DISC


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. for 1GR-FE:
    Install the 2 flanges, 6 discs and 5 plates to the input shaft assembly.

    Install in order:
    *1 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *1
    Text in Illustration
    *1
    Flange
    *2
    Disc
    *3
    Plate


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. for 1KD-FTV:
    Install the 2 flanges, 7 discs and 6 plates to the input shaft assembly.

    Install in order:
    *1 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *3 - *2 - *1
    Text in Illustration
    *1
    Flange
    *2
    Disc
    *3
    Plate


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a screwdriver, install the hole snap ring.



43. INSTALL INPUT SHAFT OIL SEAL RING


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 3 new oil seal rings with ATF.

  1. Squeeze the ends of the 3 oil seal rings together, and then install them to the starter shaft groove.

    NOTICE:
    Do not excessively widen the ring.
    HINT:
    After installing the oil seal rings, check that they rotate smoothly.


44. INSPECT PACK CLEARANCE OF FORWARD CLUTCH


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a dial indicator, measure the moving distance (distance A) of the clutch flange at both ends across a diameter while applying air to the oil hole as shown in the illustration, and calculate the average.

    Standard pack clearance for 1GR-FE:
    0.6 to 0.9 mm (0.0236 to 0.0354 in.)
    Standard pack clearance for 1KD-FTV:
    0.8 to 1.0 mm (0.0315 to 0.0394 in.)
    NOTICE:
    When measuring the moving distance, install a standard flange (thickness: 3.4 mm (0.134 in.)) to the position of the shaded area in the illustration.
    HINT:
    Flange moving distance A = 0.26 to 1.36 mm (0.0102 to 0.0535 in.)
    Pack clearance = Flange moving distance A - 0.01 mm (0.000394 in.)
    If the pack clearance is outside the standard, select and install a clutch flange that makes the pack clearance within the standard.
    Flange Thickness:
    Mark
    Thickness
    0
    2.95 to 3.05 mm (0.116 to 0.120 in.)
    1
    3.05 to 3.15 mm (0.120 to 0.124 in.)
    2
    3.15 to 3.25 mm (0.124 to 0.128 in.)
    3
    3.25 to 3.35 mm (0.128 to 0.132 in.)
    4
    3.35 to 3.45 mm (0.132 to 0.136 in.)
    5
    3.45 to 3.55 mm (0.136 to 0.140 in.)
    6
    3.55 to 3.65 mm (0.140 to 0.144 in.)
    7
    3.65 to 3.75 mm (0.144 to 0.148 in.)
    8
    3.75 to 3.85 mm (0.148 to 0.152 in.)
    9
    3.85 to 3.95 mm (0.148 to 0.152 in.)
    A
    3.95 to 4.05 mm (0.152 to 0.159 in.)


45. INSTALL INPUT SHAFT ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the input shaft to the clutch drum.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the thrust needle roller bearing to the clutch drum.

    Thrust Needle Roller Bearing Diameter:
    Item
    Inside
    Outside
    Bearing
    21.4 to 21.6 mm (0.841 to 0.850 in.)
    40.8 to 41.0 mm (1.606 to 1.614 in.)


46. INSTALL MULTIPLE DISC CLUTCH HUB


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat the 2 thrust bearing races with petroleum jelly and install them to the multiple disc clutch hub.

    Thrust Bearing Race Diameter:
    Item
    Inside
    Outside
    No. 3 Race
    22.7 to 22.9 mm (0.892 to 0.902 in.)
    60.0 to 60.4 mm (2.36 to 2.38 in.)
    Race D
    33.3 to 33.5 mm (1.31 to 1.32 in.)
    56.3 to 56.6 mm (2.22 to 2.23 in.)
    Text in Illustration
    *1
    No. 3 Race
    *2
    Race D


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the multiple disc clutch hub to the clutch drum.



47. INSTALL FORWARD CLUTCH HUB SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat the 2 thrust needle roller bearings with petroleum jelly, and install them to the forward clutch hub.

    Thrust Needle Roller Bearing Diameter:
    Item
    Inside
    Outside
    Bearing D
    38.5 to 38.7 mm (1.515 to 1.524 in.)
    56.5 to 57.0 mm (2.22 to 2.24 in.)
    Bearing E
    42.6 to 42.8 mm (1.68 to 1.69 in.)
    60.8 to 61.1 mm (2.39 to 2.41 in.)
    Text in Illustration
    *1
    Bearing D
    *2
    Bearing E


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the forward clutch hub to the clutch drum.



48. INSTALL REAR CLUTCH DISC


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 5 discs, 4 plates, reverse clutch flange and clutch cushion plate to the reverse clutch hub.

    Install in order:
    *1 - *2 - *1 - *2 - *1 - *2 - *1 - *2 - *1 - *3 - *4
    Text in Illustration
    *1
    Disc
    *2
    Plate
    *3
    Flange
    *4
    Cushion Plate


49. INSTALL REVERSE CLUTCH REACTION SLEEVE


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the reverse clutch reaction sleeve to the reverse clutch hub.



50. INSTALL REVERSE CLUTCH HUB SUB-ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the reverse clutch hub to the clutch drum.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a screwdriver, install the snap ring to the clutch drum and input shaft.



51. INSTALL NO. 2 1-WAY CLUTCH ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat the No. 2 clutch drum thrust washer with petroleum jelly and install it to the clutch drum.

  1. Install the 1-way clutch to the clutch drum.



52. INSTALL CLUTCH DRUM AND INPUT SHAFT ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat the 2 thrust needle roller bearings and clutch drum thrust washer with petroleum jelly and install them to the clutch drum and input shaft assembly.

    Thrust Needle Roller Bearing Diameter:
    Item
    Inside
    Outside
    Bearing A
    72.0 to 72.3 mm (2.83 to 2.85 in.)
    85.3 to 85.6 mm (3.36 to 3.37 in.)
    Bearing B
    34.7 to 34.9 mm (1366 to 1.374 in.)
    51.6 to 51.9 mm (2.03 to 2.04 in.)
    Text in Illustration
    *1
    Bearing A
    *2
    Bearing B


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the clutch drum and input shaft assembly to the transmission case.



53. INSTALL OIL PUMP ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat the No. 1 and No. 2 thrust bearing races with petroleum jelly, and install them to the front oil pump.

    Thrust Bearing Race Diameter:
    Item
    Inside
    Outside
    Race A
    74.3 to 74.6 mm (2.93 to 2.94 in.)
    87.4 to 87.7 mm (3.44 to 3.45 in.)
    Race B
    37.0 to 37.3 mm (1.46 to 1.47 in.)
    52.1 to 52.3 mm (2.05 to 2.06 in.)
    Text in Illustration
    *1
    Race A
    *2
    Race B


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF, and install it to the oil pump assembly.

    Text in Illustration
    *1
    O-ring
  1. Place the oil pump through the input shaft, and align the bolt holes of the oil pump assembly with the transmission case.

  1. Hold the input shaft, and lightly press the oil pump body to slide the oil seal rings into the overdrive direct clutch drum.

    NOTICE:
    Do not excessively push on the oil pump, as the oil seal ring will stick to the direct clutch drum.


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 10 bolts.

    Torque:
    21 N*m{214 kgf*cm, 15 ft.*lbf}


54. INSTALL MANUAL VALVE LEVER SHAFT OIL SEAL


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using SST and hammer, tap in 2 new oil seals.

    SST
    09350-30020(09350-07110)
  1. Coat the lip of the oil seals with MP grease.



55. INSPECT INDIVIDUAL PISTON OPERATION


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Check the operating sound while applying compressed air into the oil holes indicated in the illustration.

    HINT:
    When inspecting the O/D direct clutch, check with the accumulator piston holes indicated in the illustration.
    If there is no sound, disassemble and check the installation condition of the parts.
    1. No. 2 clutch (C2)
    2. No. 3 clutch (C3)
    3. No. 1 clutch (C1)
    4. No. 3 brake (B3)
    5. No. 1 brake (B1)
    6. No. 2 brake (B2)
    7. No. 4 brake (B4)


56. INSTALL MANUAL VALVE LEVER SUB-ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install a new spacer to the manual valve lever.

    Text in Illustration
    *1
    Spacer
    *2
    Manual Valve Lever
  1. Push the manual valve lever shaft through the transmission case, and install the manual valve lever to the manual valve lever shaft.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a hammer, tap in a new spring pin.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Align the manual valve lever indentation with the spacer hole, and stake them together with a punch.

  1. Check that the shaft rotates smoothly.



57. INSTALL PARKING LOCK PAWL SHAFT


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the E-ring to the shaft.

    Text in Illustration
    *1
    E-ring
    *2
    Parking Lock Pawl
    *3
    Spring
  1. Install the parking lock pawl, shaft and spring.



58. INSTALL PARKING LOCK ROD SUB-ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Connect the parking lock rod to the manual valve lever.



59. INSTALL PARKING LOCK PAWL BRACKET


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Place the parking lock pawl bracket onto the transmission case and install the 3 bolts.

    Torque:
    7.4 N*m{75 kgf*cm, 65 in.*lbf}


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Move the manual valve lever to the P position, and confirm that the planetary ring gear is correctly locked up by the parking lock pawl.

    Text in Illustration
    *1
    Manual Valve Lever
    *2
    Planetary Ring Gear
    *3
    Parking Lock Pawl


60. INSTALL C-1 ACCUMULATOR VALVE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF, and install it to the accumulator valve.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the spring and accumulator valve to the hole.

    Accumulator Spring Diameter:
    Spring
    Free Length
    Outer Diameter
    Color
    C-1 Inner
    30.40 mm (1.20 in.)
    11.40 mm (0.449 in.)
    Pink
    C-1 Outer
    48.76 mm (1.92 in.)
    16.60 mm (0.654 in.)
    Light green


61. INSTALL C-3 ACCUMULATOR PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the piston.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 2 springs and accumulator piston to the hole.

    Accumulator Spring Diameter:
    Spring
    Free Length
    Outer Diameter
    Color
    C-3 Inner
    44.0 mm (1.73 in.)
    14.0 mm (0.551 in.)
    Yellow
    C-3 Outer
    73.35 mm (2.89 in.)
    19.90 mm (0.784 in.)
    Red


62. INSTALL B-3 ACCUMULATOR PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the piston.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the spring and accumulator piston to the hole.

    Accumulator Spring Diameter:
    Spring
    Free Length
    Outer Diameter
    Color
    B-3
    70.5 mm (2.78 in.)
    19.7 mm (0.776 in.)
    Purple


63. INSTALL C-2 ACCUMULATOR PISTON


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat 2 new O-rings with ATF, and install them to the piston.

    Text in Illustration
    *1
    O-ring


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the spring and accumulator piston to the hole.

    Accumulator Spring Diameter:
    Spring
    Free Length
    Outer Diameter
    Color
    C-2
    62.0 mm (2.44 in.)
    15.9 mm (0.626 in.)
    White


64. INSTALL BRAKE DRUM GASKET


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 3 brake drum gaskets.



65. INSTALL TRANSMISSION CASE GASKET


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Install the 3 transmission case gaskets.



66. INSTALL CHECK BALL BODY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the spring and check ball body.

    Text in Illustration
    *1
    Spring
    *1
    Check Ball Body


67. INSTALL TRANSMISSION VALVE BODY ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Insert the pin of the manual valve into the hole of the manual valve lever.

    Text in Illustration
    *1
    Pin


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the transmission valve body assembly with the 19 bolts.

    Torque:
    11 N*m{110 kgf*cm, 8 ft.*lbf}
    HINT:
    Each bolt length is indicated below.
    36 mm (1.42 in.) for bolt A
    25 mm (0.984 in.) for bolt B
  1. Install the detent spring and detent spring cover with the bolt.

    Torque:
    10 N*m{102 kgf*cm, 7 ft.*lbf}


68. INSTALL TRANSMISSION WIRE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install a new O-ring to the transmission wire.

  1. Install the transmission wire harness.

  1. Install the bolt.

    Torque:
    5.4 N*m{55 kgf*cm, 48 in.*lbf}


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Connect the 7 solenoid connectors.

  1. Connect the 2 ATF temperature sensors with the 2 temperature sensor clamps and 2 bolts.

    Torque:
    for bolt A:
    10 N*m{102 kgf*cm, 7 ft.*lbf}
    for bolt B:
    11 N*m{112 kgf*cm, 8 ft.*lbf}
    HINT:
    Each bolt length is indicated below.
    12 mm (0.472 in.) for bolt A
    36 mm (1.42 in.) for bolt B
    Sensor Wire Harness:
    Wire Harness
    Color
    No. 1 temperature sensor
    Orange
    No. 2 temperature sensor
    Blue
    Text in Illustration
    *1
    No. 1 Temperature Sensor
    *2
    No. 2 Temperature Sensor


69. INSTALL VALVE BODY OIL STRAINER ASSEMBLY


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF, and install it to the valve body oil strainer assembly.

  1. Install the oil strainer with the 4 bolts.

    Torque:
    10 N*m{102 kgf*cm, 7 ft.*lbf}


70. INSTALL TRANSMISSION OIL CLEANER MAGNET


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the 4 magnets.

    Text in Illustration
    *1
    Magnet


71. INSTALL AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY
  1. Install a new gasket to the oil pan.

  1. Install the oil pan with the 20 bolts.

    Torque:
    7.0 N*m{71 kgf*cm, 62 in.*lbf}
  1. Install the drain plug.

    Torque:
    20 N*m{204 kgf*cm, 15 ft.*lbf}


72. INSTALL REAR TRANS CASE ADAPTOR OIL RECEIVER


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Install the trans case adaptor oil receiver to the rear adaptor transfer.

  1. Using snap ring pliers, install the snap ring.



73. INSTALL TRANSMISSION CASE ADAPTER REAR OIL SEAL


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat the lip of a new oil seal with ATF.

  1. Using SST and a hammer, tap in the oil seal.

    SST
    09950-60010(09951-00650)
    09950-70010(09951-07150)
    Standard depth:
    0 to 0.5 mm (0 to 0.0197 in.)


74. INSTALL TRANSFER ADAPTER REAR
  1. Clean the threads of the bolts and case.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Apply seal packing or equivalent to the transmission case adapter and 8 bolts.

    Seal packing:
    Toyota Genuine Seal Packing 1281,
    Three Bond 1281 or equivalent
    Seal diameter:
    1.0 to 1.5 mm (0.0394 to 0.0591 in.)
    Text in Illustration
    *1
    Seal Packing


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the transmission case adapter with the 8 bolts.

    Torque:
    34 N*m{345 kgf*cm, 25 ft.*lbf}
    HINT:
    Each bolt length is indicated below.
    50 mm (1.97 in.) for bolt A
    40 mm (1.57 in.) for bolt B


75. INSTALL AUTOMATIC TRANSMISSION HOUSING


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Clean the threads of the bolts and case with non-residue solvent.

  1. Install the transmission housing with the 10 bolts.

    Torque:
    for 14 mm head bolt A:
    34 N*m{345 kgf*cm, 25 ft.*lbf}
    for 17 mm head bolt B:
    57 N*m{581 kgf*cm, 42 ft.*lbf}
    for 14 mm head bolt C:
    34 N*m{345 kgf*cm, 25 ft.*lbf}
    Text in Illustration
    *1
    for 1GR-FE
    *2
    for 1KD-FTV


76. INSTALL AUTOMATIC TRANSMISSION BREATHER TUBE


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF and install it to the breather tube.

  1. Install the breather tube with the 2 bolts.

    Torque:
    5.4 N*m{55 kgf*cm, 48 in.*lbf}


77. INSTALL SPEED SENSOR


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
  1. Coat 2 new O-rings with ATF, and install them to the speed sensors.

  1. Install the 2 speed sensors.

  1. Install the 2 bolts.

    Torque:
    5.4 N*m{55 kgf*cm, 48 in.*lbf}


78. INSTALL OIL COOLER TUBE UNION


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Coat a new O-ring with ATF, and install it to oil cooler tube union.

  1. Install the oil cooler tube union.

    Torque:
    29 N*m{296 kgf*cm, 21 ft.*lbf}


79. INSTALL PARK/NEUTRAL POSITION SWITCH ASSEMBLY
HINT:
Make sure that the manual valve lever shaft has not been rotated prior to installing the park/neutral position switch as the detent spring may become detached from the manual valve lever shaft.
  1. Clean the bolt and the bolt hole.

  1. Apply adhesive to 2 or 3 threads on the end of the bolt.

    Adhesive:
    Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Temporarily install the park/neutral position switch assembly to the automatic transmission case subassembly with the bolt.

  1. Install a new lock washer. Install and tighten the nut.

    Torque:
    6.9 N*m{70 kgf*cm, 61 in.*lbf}


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using the control shaft lever, turn the manual lever shaft clockwise until it stops, and then turn it counterclockwise 2 notches to set it to the N position.



    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Align the neutral basic line with the switch groove, and tighten the adjusting bolt.

    Torque:
    13 N*m{130 kgf*cm, 9 ft.*lbf}
    Text in Illustration
    *a
    Neutral Basic Line
    *b
    Groove


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Using a screwdriver, bend the tabs of the lock washer.

    HINT:
    Bend at least 2 of the lock washer tabs.


80. INSTALL TRANSMISSION CONTROL SHAFT LEVER LH


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission Unit  Reassembly
  1. Install the control shaft lever with the spring washer and nut.

    Torque:
    16 N*m{160 kgf*cm, 12 ft.*lbf}