Manual Transmission Unit Disassembly

Transmission. Lexus Is250, Is220D. Gse20 Ale20
Ra63 Manual Transmission. Lexus Is250, Is220D. Gse20 Ale20

  1. REMOVE BACK-UP LIGHT SWITCH ASSEMBLY

  2. REMOVE FLOOR SHIFT CONTROL SHIFT LEVER RETAINER SUB-ASSEMBLY

  3. REMOVE FLOOR SHIFT CONTROL SHIFT LEVER RETAINER

  4. REMOVE SHIFT AND SELECT LEVER BOOT

  5. REMOVE SHIFT LEVER RETAINER BUSHING

  6. REMOVE CONTROL SHAFT

  7. REMOVE FLOOR SHIFT CONTROL SHAFT

  8. REMOVE EXTENSION HOUSING DUST DEFLECTOR

  9. REMOVE OUTPUT SHAFT ADJUST NUT

  10. REMOVE OUTPUT SHAFT COMPANION FLANGE

  11. REMOVE COMPANION FLANGE DUST DEFLECTOR

  12. REMOVE MANUAL TRANSMISSION EXTENSION HOUSING OIL SEAL

  13. REMOVE OUTPUT SHAFT REAR BEARING

  14. REMOVE EXTENSION HOUSING SUB-ASSEMBLY

  15. REMOVE EXTENSION HOUSING REAR OIL SEAL

  16. REMOVE OUTPUT SHAFT REAR BEARING OUTER RACE

  17. REMOVE TRANSMISSION OIL SEPARATOR

  18. REMOVE EXTENSION HOUSING OIL RECEIVER PIPE

  19. REMOVE SHIFT DETENT BALL PLUG

  20. REMOVE TRANSMISSION REAR CASE

  21. REMOVE MANUAL TRANSMISSION FILLER PLUG

  22. REMOVE EXTENSION HOUSING OIL RECEIVER PIPE

  23. REMOVE OIL SEPARATOR PACKING SEAL

  24. REMOVE OUTPUT SHAFT REAR BEARING OUTER RACE

  25. REMOVE COUNTER GEAR REAR CYLINDRICAL ROLLER BEARING

  26. REMOVE TRANSMISSION REAR CASE BEARING

  27. REMOVE TRANSMISSION OIL SEPARATOR

  28. REMOVE REVERSE IDLER GEAR SHAFT BOLT

  29. REMOVE NO. 2 OIL RECEIVER PIPE

  30. REMOVE TRANSMISSION MIDDLE CASE

  31. REMOVE TRANSMISSION DRAIN PLUG

  32. REMOVE TRANSMISSION MIDDLE CASE BEARING

  33. REMOVE OUTPUT SHAFT

  34. REMOVE SHIFT AND SELECT LEVER SHAFT

  35. REMOVE SHIFT AND SELECT LEVER

  36. REMOVE SHIFT AND SELECT LEVER CAM

  37. INSPECT REVERSE IDLER GEAR THRUST CLEARANCE

  38. REMOVE REVERSE IDLER GEAR

  39. INSPECT REVERSE IDLER GEAR RADIAL CLEARANCE

  40. REMOVE TRANSMISSION FRONT CASE

  41. REMOVE NO. 1 OIL RECEIVER PIPE

  42. REMOVE FRONT BEARING SHAFT SNAP RING

  43. REMOVE TRANSMISSION CASE OIL SEAL

  44. REMOVE NO. 3 GEAR SHIFT FORK

  45. REMOVE NO. 1 GEAR SHIFT HEAD

  46. REMOVE NO. 1 GEAR SHIFT FORK SHAFT

  47. REMOVE NO. 2 GEAR SHIFT FORK

  48. REMOVE NO. 2 GEAR SHIFT FORK SHAFT

  49. REMOVE NO. 3 GEAR SHIFT HEAD

  50. REMOVE NO. 3 GEAR SHIFT FORK SHAFT

  51. REMOVE NO. 1 GEAR SHIFT FORK

  52. REMOVE NO. 4 GEAR SHIFT FORK

  53. REMOVE NO. 4 GEAR SHIFT FORK SHAFT

  54. REMOVE SHIFT ARM

Manual Transmission Unit -- Disassembly



1. REMOVE BACK-UP LIGHT SWITCH ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt and separate the wire harness clamp.



    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST, remove the back-up light switch and gasket.

    SST
    09817-16011


2. REMOVE FLOOR SHIFT CONTROL SHIFT LEVER RETAINER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the floor shift control shift lever retainer sub-assembly.



3. REMOVE FLOOR SHIFT CONTROL SHIFT LEVER RETAINER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Pull up the locks of the shift lever pins, and remove the 2 shift lever pins.

  1. Remove the floor shift control shift lever retainer.



4. REMOVE SHIFT AND SELECT LEVER BOOT
  1. Remove the shift and select lever boot.



5. REMOVE SHIFT LEVER RETAINER BUSHING


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 4 shift lever retainer bushings.



6. REMOVE CONTROL SHAFT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver, remove the E-ring and control shaft.

  1. Remove the 2 collars from the floor shift control shaft.



7. REMOVE FLOOR SHIFT CONTROL SHAFT


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using a hammer and a screwdriver, cut off the control shaft collar and remove it from the shaft.

  1. Remove the shaft pin and floor shift control shaft.

  1. Remove the shift lever damper from the floor shift control shaft.



8. REMOVE EXTENSION HOUSING DUST DEFLECTOR
  1. Using a plastic hammer, remove the extension housing dust deflector.



9. REMOVE OUTPUT SHAFT ADJUST NUT


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using a belt and wooden block, fasten the transmission to the workbench.

  1. Using SST and hammer, unstake the nut.

    SST
    09930-00010


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Place the gearshift into 5th gear, and then secure the input shaft using SST.

    SST
    09556-16030


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a deep socket wrench 30 mm, remove the nut from the output shaft.

  1. Remove the belt and wooden block from the transmission.



10. REMOVE OUTPUT SHAFT COMPANION FLANGE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the companion flange from the output shaft.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the O-ring from the companion flange.



11. REMOVE COMPANION FLANGE DUST DEFLECTOR
HINT:
Perform this procedure only when the dust deflector is damaged.


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST and a press, remove the dust deflector.

    SST
    09950-60010(09951-00410)
    09950-00020
    09950-70010(09951-07100)


12. REMOVE MANUAL TRANSMISSION EXTENSION HOUSING OIL SEAL


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST, remove the extension housing oil seal.

    SST
    09308-00010


13. REMOVE OUTPUT SHAFT REAR BEARING


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the output shaft rear bearing and output shaft spacer.



14. REMOVE EXTENSION HOUSING SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 8 bolts.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver, remove the extension housing.

    NOTICE:
    Be careful not to damage the contact surfaces of the extension housing and rear case.
    HINT:
    Tape the screwdriver tip before use.
  1. Remove the extension housing.



15. REMOVE EXTENSION HOUSING REAR OIL SEAL


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST and a hammer, remove the extension housing rear oil seal.

    SST
    09201-31010


16. REMOVE OUTPUT SHAFT REAR BEARING OUTER RACE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a brass bar and hammer, remove the output shaft bearing outer race.



17. REMOVE TRANSMISSION OIL SEPARATOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a brass bar and hammer, remove the transmission oil separator.



18. REMOVE EXTENSION HOUSING OIL RECEIVER PIPE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the oil receiver pipe.



19. REMOVE SHIFT DETENT BALL PLUG


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a socket hexagon wrench (10 mm), remove the shift detent ball plug from the transmission rear case.

  1. Remove the ball and compression spring from the transmission rear case.



20. REMOVE TRANSMISSION REAR CASE


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Remove the 10 bolts and bracket.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a plastic hammer, carefully tap out the rear case.

  1. Remove the rear case.



21. REMOVE MANUAL TRANSMISSION FILLER PLUG


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 transmission filler plugs and 2 gaskets from the transmission rear case.



22. REMOVE EXTENSION HOUSING OIL RECEIVER PIPE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the extension housing oil receiver pipe from the transmission rear case.



23. REMOVE OIL SEPARATOR PACKING SEAL


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the oil separator packing seal from the transmission rear case.



24. REMOVE OUTPUT SHAFT REAR BEARING OUTER RACE


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST, remove the output shaft rear bearing outer race.

    SST
    09308-00010


25. REMOVE COUNTER GEAR REAR CYLINDRICAL ROLLER BEARING


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, then remove the bearing lock plate.



    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST, remove the counter gear rear cylindrical roller bearing from the transmission rear case.

    SST
    09387-00041


26. REMOVE TRANSMISSION REAR CASE BEARING


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST and a press, remove the transmission rear case bearing from the transmission rear case.

    SST
    09950-60010(09951-00230)


27. REMOVE TRANSMISSION OIL SEPARATOR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 2 bolts, then remove the oil separator.



28. REMOVE REVERSE IDLER GEAR SHAFT BOLT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the reverse idler gear shaft bolt and gasket from the transmission middle case.



29. REMOVE NO. 2 OIL RECEIVER PIPE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 2 oil receiver pipe from the transmission middle case.



30. REMOVE TRANSMISSION MIDDLE CASE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 11 bolts, then remove the transmission middle case.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a plastic hammer, carefully tap out the transmission middle case.



31. REMOVE TRANSMISSION DRAIN PLUG


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the drain plug and gasket from the transmission middle case.



32. REMOVE TRANSMISSION MIDDLE CASE BEARING


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST and a press, remove the transmission middle case bearing from the transmission middle case.

    SST
    09950-60010(09951-00230)


33. REMOVE OUTPUT SHAFT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the output shaft.



34. REMOVE SHIFT AND SELECT LEVER SHAFT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the shift and select lever shaft.



35. REMOVE SHIFT AND SELECT LEVER


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, then remove the shift and select lever.

  1. Remove the lock ball pin and spring from the shift and select lever.



36. REMOVE SHIFT AND SELECT LEVER CAM


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver, remove the E-ring and the shift and select lever cam from the shift and select lever shaft.



37. INSPECT REVERSE IDLER GEAR THRUST CLEARANCE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a feeler gauge, measure the thrust clearance.

    Standard clearance:
    0.10 to 0.25 mm (0.0039 to 0.0098 in.)
    Maximum clearance:
    0.25 mm (0.0098 in.)
    If the clearance exceeds the maximum, replace the reverse idler gear shaft, reverse idler gear or transmission front case.


38. REMOVE REVERSE IDLER GEAR


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the reverse idler gear shaft, reverse idler gear bearing and reverse idler gear.



39. INSPECT REVERSE IDLER GEAR RADIAL CLEARANCE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the reverse idler gear and reverse idler gear bearing to the reverse idler gear shaft.

  1. Using a dial indicator, measure the radial clearance.

    Standard clearance:
    0.015 to 0.050 mm (0.0006 to 0.0020 in.)
    Maximum clearance:
    0.050 mm (0.0020 in.)
    If the clearance exceeds the maximum, replace the reverse idler gear bearing, reverse idler gear shaft or reverse idler gear.


40. REMOVE TRANSMISSION FRONT CASE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a hexagon wrench (24 mm), remove the plug from the transmission front case.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the 4 bolts from the shift interlock bracket.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Tie the input shaft, counter gear, and control assembly with a rope or string.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Expand the 2 snap rings, and lift up the output shaft, input shaft, counter gear, and control assembly.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the output shaft, input shaft, counter gear shaft, and control assembly while gently tapping the front case with a plastic hammer.

    NOTICE:
    Take care not to subject the output shaft, input shaft, counter gear shaft, and control assembly to any impact. This may cause the shift detent ball and spring to come out.
  1. Separate the output shaft, input shaft, counter gear shaft, and control assembly.



41. REMOVE NO. 1 OIL RECEIVER PIPE


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 1 oil receiver pipe from the transmission front case.



42. REMOVE FRONT BEARING SHAFT SNAP RING


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using snap ring pliers, remove the 2 snap rings.



43. REMOVE TRANSMISSION CASE OIL SEAL


    Lexus Is250, Is220D. Gse20 Ale20.Ra63 Manual Transmission.Manual Transmission System.Manual Transmission Unit  Disassembly
  1. Using SST, remove the transmission case oil seal from the transmission front case.

    SST
    09308-00010


44. REMOVE NO. 3 GEAR SHIFT FORK


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using 2 screwdrivers and a hammer, remove the 4 snap rings.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, then remove the No. 3 gear shift fork.



45. REMOVE NO. 1 GEAR SHIFT HEAD


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a pin punch (5 mm (0.20 in.)) and hammer, tap out the slotted spring pin.



46. REMOVE NO. 1 GEAR SHIFT FORK SHAFT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 1 gear shift fork shaft, No. 1 gear shift head, shift detent ball, spring, No. 2 shift interlock pin and No. 3 shift interlock pin.



47. REMOVE NO. 2 GEAR SHIFT FORK


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bolt, then remove the No. 2 gear shift fork.



48. REMOVE NO. 2 GEAR SHIFT FORK SHAFT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 2 gear shift fork shaft, shift detent ball, spring, No. 2 shift interlock pin, and No. 3 shift interlock pin.



49. REMOVE NO. 3 GEAR SHIFT HEAD


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a pin punch (5 mm (0.20 in.)) and hammer, tap out the slotted spring pin.



50. REMOVE NO. 3 GEAR SHIFT FORK SHAFT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 3 gear shift fork shaft, shift detent ball, spring, No. 3 gear shift head, and No. 1 shift interlock pin.



51. REMOVE NO. 1 GEAR SHIFT FORK


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a pin punch (5 mm (0.20 in.)) and hammer, tap out the slotted spring pin.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 2 gear shift head and No. 1 gear shift fork.



52. REMOVE NO. 4 GEAR SHIFT FORK


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a pin punch (5 mm (0.20 in.)) and hammer, tap out the slotted spring pin.

  1. Remove the No. 4 gear shift fork.



53. REMOVE NO. 4 GEAR SHIFT FORK SHAFT


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the No. 4 gear shift fork shaft, shift detent ball, and spring.



54. REMOVE SHIFT ARM


    Lexus Is250, Is220D. Gse20 Ale20
  1. Using a screwdriver, remove the E-ring.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the shift arm pivot and shift arm.