Manual Transmission Unit Reassembly
Drivetrain. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
INSTALL OUTPUT SHAFT ASSEMBLY
INSTALL OUTPUT SHAFT BEARING SHAFT SNAP RING
INSTALL INPUT SHAFT ASSEMBLY
INSTALL COUNTER GEAR
INSTALL COUNTER SHAFT CENTER BEARING
INSTALL REVERSE IDLER GEAR
INSTALL REAR BEARING RETAINER
INSTALL 5TH GEAR THRUST WASHER PIN
INSTALL 5TH GEAR THRUST WASHER
INSTALL NO. 3 TRANSMISSION HUB SLEEVE
INSTALL COUNTER 5TH GEAR BEARING
INSTALL COUNTER 5TH GEAR
INSTALL NO. 3 SYNCHRONIZER RING
INSTALL NO. 5 GEAR SPLINE PIECE
INSTALL COUNTER GEAR REAR SHAFT SNAP RING
INSPECT COUNTER 5TH GEAR THRUST CLEARANCE
INSPECT COUNTER 5TH GEAR RADIAL CLEARANCE
INSTALL OUTPUT SHAFT REAR BEARING
INSTALL OUTPUT SHAFT BEARING SHAFT SNAP RING
INSTALL REVERSE SHIFT ARM BRACKET
INSTALL REVERSE SHIFT FORK
INSTALL NO. 4 SHIFT FORK SHAFT
INSTALL NO. 3 SHIFT FORK SHAFT
INSTALL NO. 1 SHIFT FORK SHAFT
INSTALL NO. 2 SHIFT SHAFT
INSTALL NO. 1 SHIFT DETENT BALL SPRING SEAT
INSTALL TRANSMISSION MAGNET
INSTALL MANUAL TRANSMISSION CASE
INSTALL NO. 1 COUNTER GEAR FRONT BEARING SNAP RING
INSTALL FRONT BEARING SHAFT SNAP RING
INSTALL TRANSMISSION FRONT BEARING RETAINER OIL SEAL
INSTALL FRONT BEARING RETAINER
INSTALL TRANSFER ADAPTER OIL SEAL
INSTALL REVERSE RESTRICT PIN
INSTALL OIL RECEIVER PIPE
INSTALL TRANSFER ADAPTER
INSTALL SHIFT AND SELECT LEVER SHAFT
INSTALL TRANSFER CONTROL SHIFT LEVER RETAINER
INSTALL CONTROL SHIFT LEVER RETAINER
INSTALL RESTRICT PIN
INSTALL BACK-UP LIGHT SWITCH ASSEMBLY
INSTALL CLUTCH HOUSING
INSTALL RELEASE FORK SUPPORT
INSTALL CLUTCH RELEASE BEARING ASSEMBLY
INSTALL CLUTCH RELEASE FORK BOOT
INSTALL DRAIN PLUG
INSTALL FILLER PLUG
Manual Transmission Unit -- Reassembly |
1. INSTALL OUTPUT SHAFT ASSEMBLY |
Apply gear oil to the sliding part of the output shaft.
Using a plastic-faced hammer, install the output shaft by tapping the intermediate plate.
2. INSTALL OUTPUT SHAFT BEARING SHAFT SNAP RING |
Using a snap ring expander, install the shaft snap ring to the output shaft.
3. INSTALL INPUT SHAFT ASSEMBLY |
Apply gear oil to the input shaft and No. 2 synchronizer ring, and install them to the output shaft.
- NOTICE:
- Install the No. 2 synchronizer ring so the No. 2 synchromesh shifting key fits into the groove of the No. 2 synchronizer ring.
- Check that the input shaft rotates slightly.
Temporarily install the counter gear to the intermediate plate.
5. INSTALL COUNTER SHAFT CENTER BEARING |
Using SST and a hammer, tap in a new center bearing to the intermediate plate.
- SST
- 09316-60011(09316-00011)
- HINT:
- Install the bearing while tapping the tip of the counter gear with a plastic-faced hammer so that the counter gear does not hit the side wall of the output shaft gear by being pushed forward.
6. INSTALL REVERSE IDLER GEAR |
Apply gear oil to each sliding part of the reverse idler gear and the reverse idler gear shaft, and install reverse idler gear and the reverse idler shaft to the intermediate plate.
- NOTICE:
- Install the reverse idler shaft with its groove facing the rear side, and install it from the rear side.
7. INSTALL REAR BEARING RETAINER |
Insert the bearing retainer into the groove of the reverse idler gear shaft and install it with the 4 bolts.
- Torque:
- 18 N*m{184 kgf*cm, 13 ft.*lbf}
8. INSTALL 5TH GEAR THRUST WASHER PIN |
Apply MP grease to the washer pin, and install it to the counter gear.
9. INSTALL 5TH GEAR THRUST WASHER |
Apply gear oil to the thrust washer, and install it to the counter gear.
- NOTICE:
- Install the thrust washer so that its chamfer side faces forward.
10. INSTALL NO. 3 TRANSMISSION HUB SLEEVE |
Apply gear oil to the sliding part of the No. 3 transmission hub sleeve, and install it to the counter 5th gear.
- NOTICE:
- Be sure of the direction of the No. 3 transmission hub sleeve and counter 5th gear.
Install the 2 No. 3 synchromesh shifting keys and No. 3 synchromesh shifting key spring to the counter 5th gear as shown in the illustration.
Text in Illustration*a
| Cutout
|
*b
| Protrusion
|
- HINT:
- When installing the synchromesh shifting key spring, make sure the protrusion fits into the cutout.
Using a snap ring expander, install the snap ring to the counter 5th gear.
11. INSTALL COUNTER 5TH GEAR BEARING |
Apply gear oil to the bearing and install it to the counter 5th gear.
12. INSTALL COUNTER 5TH GEAR |
Apply gear oil to the 5th gear and No. 3 transmission hub sleeve, and install them to the counter gear.
13. INSTALL NO. 3 SYNCHRONIZER RING |
Apply gear oil to the No. 3 synchronizer ring, and install it to the counter gear.
- NOTICE:
- Install the No. 3 synchronizer ring so that the No. 3 synchromesh shifting key fits into the groove of the No. 3 synchronizer ring.
14. INSTALL NO. 5 GEAR SPLINE PIECE |
Using SST and a press, press in the gear spline piece to the counter gear.
- SST
- 09316-60011(09316-00011)
- NOTICE:
- Check that the gear rotates freely.
15. INSTALL COUNTER GEAR REAR SHAFT SNAP RING |
Select a snap ring so that the thrust clearance between the No. 5 gear spline piece and snap ring is within the specification.
- Standard clearance:
- 0.10 mm (0.00393 in.) or less
- Snap Ring Thickness:
Thickness
|
2.80 to 2.85 mm (0.1102 to 0.1122 in.)
|
2.85 to 2.90 mm (0.1122 to 0.1141 in.)
|
2.90 to 2.95 mm (0.1141 to 0.1160 in.)
|
2.95 to 3.00 mm (0.1160 to 0.1181 in.)
|
3.00 to 3.05 mm (0.1181 to 0.1200 in.)
|
3.05 to 3.10 mm (0.1200 to 0.1220 in.)
|
3.10 to 3.15 mm (0.1220 to 0.1240 in.)
|
Using a brass bar and hammer, tap on the snap ring.
16. INSPECT COUNTER 5TH GEAR THRUST CLEARANCE |
Using a feeler gauge, measure the thrust clearance.
- Standard clearance:
- 0.10 to 0.35 mm (0.00394 to 0.0137 in.)
If the clearance is not as specified, replace the counter 5th gear.
17. INSPECT COUNTER 5TH GEAR RADIAL CLEARANCE |
Using a dial indicator, measure the radial clearance.
- Standard clearance:
- 0.015 to 0.068 mm (0.00591 to 0.00267 in.)
If the clearance is not as specified, replace the counter 5th gear bearing with a new one.
18. INSTALL OUTPUT SHAFT REAR BEARING |
Using SST and a press, press in the spacer and a new rear bearing to the output shaft.
- SST
- 09309-35010
19. INSTALL OUTPUT SHAFT BEARING SHAFT SNAP RING |
Select a shaft snap ring so that the thrust clearance between the output shaft bearing shaft and snap ring is within the specification.
- Standard clearance:
- 0.10 mm (0.00393 in.) or less
- Snap Ring Thickness:
Thickness
| Thickness
|
2.65 to 2.70 mm (0.1043 to 0.1063 in.)
| 3.10 to 3.15 mm (0.1220 to 0.1240 in.)
|
2.70 to 2.75 mm (0.1063 to 0.1083 in.)
| 3.15 to 3.20 mm (0.1240 to 0.1260 in.)
|
2.75 to 2.80 mm (0.1083 to 0.1102 in.)
| 3.20 to 3.25 mm (0.1260 to 0.1280 in.)
|
2.80 to 2.85 mm (0.1102 to 0.1122 in.)
| 3.25 to 3.30 mm (0.1280 to 0.1299 in.)
|
2.85 to 2.90 mm (0.1122 to 0.1141 in.)
| 3.30 to 3.35 mm (0.1299 to 0.1319 in.)
|
2.90 to 2.95 mm (0.1141 to 0.1160 in.)
| 3.35 to 3.40 mm (0.1319 to 0.1339 in.)
|
2.95 to 3.00 mm (0.1160 to 0.1181 in.)
| 3.40 to 3.45 mm (0.1339 to 0.1358 in.)
|
3.00 to 3.05 mm (0.1181 to 0.1200 in.)
| 3.45 to 3.50 mm (0.1358 to 0.1378 in.)
|
3.05 to 3.10 mm (0.1200 to 0.1220 in.)
| -
|
Using a brass bar and hammer, tap on the snap ring.
20. INSTALL REVERSE SHIFT ARM BRACKET |
Install the arm bracket to the intermediate plate with the 2 bolts.
- Torque:
- 18 N*m{184 kgf*cm, 13 ft.*lbf}
21. INSTALL REVERSE SHIFT FORK |
Install the shift arm to the shift fork. Using a screwdriver and hammer, tap on a new E-ring.
Install the tip of the reverse shift arm to the reverse idler gear. Align the end of the reverse shift arm that has the cutout with the reverse shift arm bracket pin, and install the reverse shift arm and reverse shift fork.
22. INSTALL NO. 4 SHIFT FORK SHAFT |
Install the compression spring and reverse shift fork ball to the reverse shift fork.
Apply gear oil to the sliding part of the No. 4 shift fork shaft.
Using a screwdriver, install the No. 3 shift fork shaft by pushing the reverse shift fork ball lightly.
Using a brass bar and a hammer, tap on the snap ring to the No. 4 shift fork shaft.
23. INSTALL NO. 3 SHIFT FORK SHAFT |
Install the reverse shift fork ball to the reverse shift fork.
Install the No. 1 shift interlock roller to the intermediate plate.
Install the No. 3 shift fork to the No. 3 transmission hub sleeve and No. 3 shift fork shaft to the intermediate plate from the front side.
Using a brass bar and hammer, tap on the snap ring to the shift fork shaft.
Using a 5 mm pin punch and hammer, tap in the slotted spring pin to the No. 3 shift fork.
24. INSTALL NO. 1 SHIFT FORK SHAFT |
Install the No. 1 shift interlock roller to the intermediate plate.
Install the No. 1 shift fork to the reverse gear.
Install the No. 1 shift fork shaft to the intermediate plate from the rear side.
Install a new shift fork set bolt to the No. 1 shift fork.
- Torque:
- 20 N*m{199 kgf*cm, 14 ft.*lbf}
Using a brass bar and hammer, tap on the shift fork shaft snap ring to the No. 1 shift fork shaft.
25. INSTALL NO. 2 SHIFT SHAFT |
Install the shift interlock pin and No. 1 shift interlock roller to the intermediate plate.
Install the No. 2 shift fork to the No. 2 transmission hub sleeve.
Apply gear oil to the No. 2 shift fork, and install the shift fork to the intermediate plate from the rear side.
Install a new shift fork set bolt to the No. 2 shift fork.
- Torque:
- 20 N*m{199 kgf*cm, 14 ft.*lbf}
Using a brass bar and hammer, tap on the snap ring to the No. 2 shift fork shaft.
26. INSTALL NO. 1 SHIFT DETENT BALL SPRING SEAT |
Install the 2 compression springs and 2 shifts detent balls to the intermediate plate.
Using a T40 ''TORX'' socket wrench, install the 3 spring seats to the intermediate plate.
- Torque:
- 19 N*m{189 kgf*cm, 14 ft.*lbf}
Install the detent ball and low side compression spring to the intermediate plate.
Using a T40 ''TORX'' socket wrench, install the spring seat to the intermediate plate.
- Torque:
- 19 N*m{189 kgf*cm, 14 ft.*lbf}
27. INSTALL TRANSMISSION MAGNET |
Clean the transmission magnet, and install it to the intermediate plate.
28. INSTALL MANUAL TRANSMISSION CASE |
Apply seal packing to the manual transmission case as shown in the illustration.
Text in Illustration*1
| Seal Packing
|
- Seal packing:
- Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent
Using a plastic-faced hammer, tap the transmission case to attach it to the intermediate plate.
29. INSTALL NO. 1 COUNTER GEAR FRONT BEARING SNAP RING |
Using a snap ring expander, install the snap ring to the transmission case.
30. INSTALL FRONT BEARING SHAFT SNAP RING |
Using a snap rig expander, install the snap ring to the transmission case.
31. INSTALL TRANSMISSION FRONT BEARING RETAINER OIL SEAL |
Using SST and a hammer, tap in a new oil seal to the front bearing retainer.
- SST
- 09950-60010(09951-00300,09951-00520,09952-06010)
09950-70010(09951-07100)
- Standard depth:
- 11.20 to 12.20 mm (0.4410 to 0.4803 in.)
Lightly apply MP grease to the lip of the oil seal.
32. INSTALL FRONT BEARING RETAINER |
Apply seal packing to the bearing retainer as shown in the illustration.
Text in Illustration*1
| Seal Packing
|
- Seal packing:
- Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent
Install the front bearing retainer to the transmission case with the 8 bolts.
- Torque:
- 17 N*m{168 kgf*cm, 12 ft.*lbf}
Check that the input shaft and output shaft rotate smoothly.
33. INSTALL TRANSFER ADAPTER OIL SEAL |
Using SST and a hammer, tap in a new oil seal to the transfer adapter.
- SST
- 09710-30050
09950-70010(09951-07100)
- Oil seal depth:
- 45.4 to 46.4 mm (1.788 to 1.826 in.)
Lightly apply MP grease to the lip of the oil seal.
34. INSTALL REVERSE RESTRICT PIN |
Install the restrict pin to the transfer adapter.
Using a 5 mm pin punch and hammer, tap in the slotted pin to the transfer adapter.
Using a T40 ''TORX'' socket wrench, install the reverse restrict pin plug to the transfer adapter.
- Torque:
- 19 N*m{188 kgf*cm, 14 ft.*lbf}
35. INSTALL OIL RECEIVER PIPE |
Install the oil receiver pipe to the transfer adapter.
36. INSTALL TRANSFER ADAPTER |
Apply seal packing to the transfer adapter as shown in the illustration.
Text in Illustration*1
| Seal Packing
|
- Seal packing:
- Toyota Genuine Seal Packing 1281, Three Bond 1281 or equivalent
Using a plastic-faced hammer, tap the transfer adapter to attach it to the transmission case.
Install the transfer adapter to the transmission case with the 10 bolts.
- Torque:
- 37 N*m{377 kgf*cm, 27 ft.*lbf}
37. INSTALL SHIFT AND SELECT LEVER SHAFT |
Install the shift and select lever shaft and shift lever housing to the transfer adapter.
Using a 5 mm pin punch and hammer, tap in the slotted spring pin to the transfer adapter.
38. INSTALL TRANSFER CONTROL SHIFT LEVER RETAINER |
Install the select return spring on the shift lever retainer.
Install the shift lever retainer to the transfer adapter with the 4 bolts.
- Torque:
- 18 N*m{184 kgf*cm, 13 ft.*lbf}
39. INSTALL CONTROL SHIFT LEVER RETAINER |
Install the control shift lever retainer and a new oil deflector.
Install the 4 bolts.
- Torque:
- 18 N*m{184 kgf*cm, 13 ft.*lbf}
Install the 2 restrict pins.
Text in Illustration*a
| Blue
|
*b
| Red
|
|
|
- Torque:
- 37 N*m{377 kgf*cm, 27 ft.*lbf}
41. INSTALL BACK-UP LIGHT SWITCH ASSEMBLY |
Using SST, install a new gasket and the back-up light switch to the transmission case.
- SST
- 09817-16011
- Torque:
- 44 N*m{449 kgf*cm, 32 ft.*lbf}
42. INSTALL CLUTCH HOUSING |
Install the clutch housing to the transmission case with the 9 bolts.
- Torque:
- 36 N*m{367 kgf*cm, 27 ft.*lbf}
43. INSTALL RELEASE FORK SUPPORT |
Install the release fork support to the manual transmission unit.
- Torque:
- for TR Engine series:
- 47 N*m{479 kgf*cm, 35 ft.*lbf}
- for 1KD-FTV, 2KD-FTV:
- 49 N*m{500 kgf*cm, 36 ft.*lbf}
44. INSTALL CLUTCH RELEASE BEARING ASSEMBLY |
Install the release bearing hub clip to the clutch release bearing assembly.
Apply Multemp 8158 grease or equivalent to the following areas:
Text in Illustration*A
| for TR Engine series
|
*B
| for 1KD-FTV, 2KD-FTV
|

| Multemp 8158 grease or equivalent
|
- The surfaces of the release fork that contact the release bearing.
- The surfaces of the release fork that contact the push rod of the release cylinder.
- The surfaces of the release fork that contact the release fork support.
- Grease:
- Multemp 8158 grease or equivalent
Install the release fork sub-assembly to the clutch release bearing assembly.
Install the clutch release bearing assembly together with the clutch release fork sub-assembly to the clutch housing.
- NOTICE:
- After the installation, move the fork forward and backward to check that the release bearing slides smoothly.
Apply the clutch spline grease to the spline of the input shaft.
- Grease:
- Toyota Genuine Clutch Spline Grease or equivalent
45. INSTALL CLUTCH RELEASE FORK BOOT |
Install a new gasket and the drain plug to the transmission case.
- Torque:
- 37 N*m{377 kgf*cm, 27 ft.*lbf}
Install a new gasket and the filler plug to the transmission case.
- Torque:
- 37 N*m{377 kgf*cm, 27 ft.*lbf}