Lexus IS250 · Service Manual TRANSMISSION

REMOVAL

Removal / installation


1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

2. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY

  1. B123392
    Turn the shift lever knob counterclockwise and remove the shift lever knob sub-assembly.


3. REMOVE REAR CONSOLE PANEL SUB-ASSEMBLY

  1. B123396
    Open the snap.

  1. B123397
    Disengage the 7 claws and 2 clips, and then remove the rear console panel sub-assembly.


4. REMOVE FRONT CONSOLE PANEL SUB-ASSEMBLY

  1. B123395
    Open the snap.

  1. B123399
    Pull the front console panel sub-assembly in the direction indicated by the arrow to disengage the 6 clips and remove it.


5. REMOVE FRONT ASH RECEPTACLE SUB-ASSEMBLY

  1. B116698
    Remove the 2 screws <F>.

  1. B116699
    Pull the front ash receptacle sub-assembly in the direction indicated by the arrow to disconnect the connectors and remove it.


6. REMOVE CONSOLE BOX REGISTER ASSEMBLY

  1. B123340
    Remove the rear ash receptacle assembly.

  1. Disengage the 2 claws and 4 clips, and then remove the console box register assembly.


7. REMOVE CONSOLE BOX

  1. B123341E01
    Remove the 2 bolts <C>.

  1. Disconnect the 2 connectors.

  1. Disengage the 2 clamps.

  1. B123339
    Remove the 2 bolts <C>.

  1. Disconnect the connector.

  1. B116791
    Remove the 2 bolts <C>.

  1. B123342
    Disengage the 2 claws and 2 clips, and then remove the console box.


8. REMOVE NO. 2 CONSOLE BOX DUCT

  1. B123361
    Remove the clip and No. 2 console box duct.


9. REMOVE NO. 1 SHIFT AND SELECT LEVER BOOT

  1. C116460
    Remove the 4 bolts and No. 1 shift and select lever boot.


10. REMOVE SHIFT LEVER CAP

  1. C123465
    Turn over the shift lever dust cover.

  1. Remove the 4 bolts and shift lever cap.


11. REMOVE ENGINE UNDER COVER

12. REMOVE NO. 2 ENGINE UNDER COVER

13. DRAIN MANUAL TRANSMISSION OIL

  1. C123448
    Remove the drain plug and gasket, and drain the transmission oil.

  1. Install a new gasket and the drain plug.

    Torque:
    37 N*m{ 377 kgf*cm , 27 ft.*lbf }


14. REMOVE NO. 1 REAR FLOOR PANEL BRACE

  1. A121036
    Remove the 4 bolts and rear No. 1 floor panel brace.


15. REMOVE FRONT CENTER FLOOR BRACE

  1. C104834
    Remove the 4 bolts and front center floor brace .


16. DISCONNECT HEATED OXYGEN SENSOR

  1. A120539E09
    Remove the grommets of the heated oxygen sensors (BANK 1, BANK 2).

  1. A120540E03
    Using the SST, remove a oxygen sensors (BANK 1, BANK 2).
    SST
    09224-00010  


17. REMOVE FRONT EXHAUST PIPE ASSEMBLY

  1. A127822E01
    Remove the 4 bolts and 4 nuts.

  1. A125008
    Remove the 2 bolts and 2 compression springs from the tail exhaust pipe assembly.

  1. Remove the front exhaust pipe assembly and 3 gaskets.


18. REMOVE FRONT FLOOR NO. 1 HEAT INSULATOR

  1. C125771E01
    Remove the 4 nuts and front No. 1 floor heat insulator.


19. REMOVE OUTSIDE AIR GUIDE PLATE RH

  1. C126031
    Remove the 4 nuts and outside air guide plate RH.


20. REMOVE PROPELLER SHAFT WITH CENTER BEARING ASSEMBLY

  1. C104521E02
    Put matchmarks on both flanges.

  1. Remove the 4 nuts, bolts and washers.

    HINT:
    If the flange connection is hard to separate, temporarily tighten one nut only and evenly tap the flange with a brass bar and hammer to separate the propeller shaft assembly from the differential companion flange.

  1. F048233
    Remove the 2 bolts and 2 center support bearing washers. (for automatic transmission)

  1. Remove the 2 bolts, 2 center support bearing washers and 2 center support bearing dampers. (for manual transmission)

  1. Separate the center support bearing.

  1. C109590E02
    Insert SST in the transmission to prevent oil leakage.
    SST
    09325-40010  

    NOTICE:
    Be careful not to damage the oil seal.


21. REMOVE ENGINE UNDER COVER AIR GUIDE BRACKET

  1. C123447
    Remove the 2 bolts and engine under cover air guide bracket.


22. REMOVE STARTER ASSEMBLY
(Click here)

23. SEPARATE CLUTCH ACCUMULATOR ASSEMBLY

  1. C116478
    Remove the 2 bolts and 2 nuts, and separate the clutch accumulator assembly.


24. SEPARATE CLUTCH RELEASE CYLINDER ASSEMBLY

  1. C116479
    Remove the 2 bolts and separate the clutch release cylinder assembly.


25. DISCONNECT GROUND CABLE

  1. C116459
    Remove the bolt and disconnect the ground cable.


26. SEPARATE WIRE HARNESS

  1. C116462
    Disconnect the back-up lamp switch connector and separate the wire harness.


27. REMOVE NO. 1 CLUTCH HOUSING COVER

  1. C123446
    Remove the 4 bolts and No. 1 clutch housing cover.


28. REMOVE NO. 2 CLUTCH HOUSING COVER

  1. C123445
    Remove the 4 bolts and No. 2 clutch housing cover.


29. SEPARATE CLUTCH COVER ASSEMBLY

  1. C123443E01
    Put matchmarks on the clutch cover assembly and the flywheel sub-assembly.

  1. Loosen each set bolt one turn at a time until spring tension is released.

  1. Remove the 6 bolts and separate the clutch cover assembly.


30. SEPARATE FLOOR SHIFT CONTROL SHIFT LEVER RETAINER SUB-ASSEMBLY

  1. C123444
    Remove the 2 nuts and separate the floor shift control shift lever retainer sub-assembly.


31. REMOVE FLOOR SHIFT LEVER ASSEMBLY

  1. C123441
    Turn over the shift and select lever boot.

  1. Using a screwdriver, remove the E-ring and floor shift lever assembly.

  1. Remove the washer from the floor shift lever assembly.

  1. C123473
    Remove the 2 bushings from the floor shift lever assembly.


32. SUPPORT MANUAL TRANSMISSION ASSEMBLY

  1. C116480
    Support the manual transmission with a transmission jack.


33. REMOVE ENGINE REAR MOUNTING MEMBER

  1. C116481
    Remove the 4 bolts, 4 nuts and engine rear mounting member.


34. REMOVE MANUAL TRANSMISSION ASSEMBLY

  1. C116473
    Remove the 9 bolts and manual transmission assembly.


35. REMOVE CLUTCH RELEASE FORK SUB-ASSEMBLY
  1. Remove the clutch release fork sub-assembly from the transmission unit.


36. REMOVE CLUTCH DISC ASSEMBLY

NOTICE:
Keep the lining part of the clutch disc assembly, the pressure plate and surface of the flywheel sub-assembly away from oil and foreign matter.


37. REMOVE CLUTCH COVER ASSEMBLY

38. REMOVE REAR NO. 1 ENGINE MOUNTING INSULATOR

  1. C123442
    Remove the 4 bolts and rear No. 1 engine mounting insulator.


39. REMOVE TRANSMISSION UPPER COVER SUB-ASSEMBLY

  1. C123480
    Remove the 2 bolts and transmission upper cover sub-assembly.

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