Brake Master Cylinder Removal

Brake. Lexus Is250, Is220D. Gse20 Ale20
Brake. Lexus Is250, Is220D. Gse20 Ale20

  1. PRECAUTION

  2. REMOVE COOL AIR INTAKE DUCT SEAL

  3. REMOVE ENGINE ROOM SIDE COVER LH

  4. REMOVE ENGINE ROOM SIDE COVER RH

  5. REMOVE FRONT UPPER FENDER PROTECTOR LH

  6. REMOVE FRONT UPPER FENDER PROTECTOR RH

  7. REMOVE ROOF DRIP SIDE FINISH MOULDING LH

  8. REMOVE ROOF DRIP SIDE FINISH MOULDING RH

  9. REMOVE FRONT WIPER ARM HEAD CAP

  10. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH

  11. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH

  12. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

  13. DRAIN BRAKE FLUID

  14. REMOVE NO. 3 ENGINE ROOM RELAY BLOCK

  15. SEPARATE CLUTCH RESERVOIR HOSE (for Manual Transmission)

  16. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY

Brake Master Cylinder -- Removal



1. PRECAUTION
HINT:
(Click here)


2. REMOVE COOL AIR INTAKE DUCT SEAL


    Lexus Is250, Is220D. Gse20 Ale20

  1. Remove the 11 clips and intake duct seal.



3. REMOVE ENGINE ROOM SIDE COVER LH


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal

  1. Remove the 2 clips and side cover.



4. REMOVE ENGINE ROOM SIDE COVER RH


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal

  1. Remove the 2 clips and side cover.



5. REMOVE FRONT UPPER FENDER PROTECTOR LH


    Lexus Is250, Is220D. Gse20 Ale20

  1. Using a clip remover, separate the clip on the rubber portion of the cowl top ventilator louver sub-assembly from the front upper fender protector LH.

  1. Disengage the 3 clips and the claw to remove the front fender protector upper LH.



6. REMOVE FRONT UPPER FENDER PROTECTOR RH
HINT:
Use the same procedures for the RH side and the LH side.


7. REMOVE ROOF DRIP SIDE FINISH MOULDING LH

  1. Put protective tape around the roof drip side finish moulding.



  1. Using a moulding remover, disengage the 6 clips and remove the roof drip side finish moulding.

    NOTICE:
    1. Do not remove the clips.
    2. If the clips are damaged or fall off, replace them with new clips.


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal



8. REMOVE ROOF DRIP SIDE FINISH MOULDING RH
HINT:
Use the same procedures for the RH side and the LH side.


9. REMOVE FRONT WIPER ARM HEAD CAP


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal

  1. Using a screwdriver, remove the front wiper arm head cap.

    HINT:
    1. Use the same procedures for the RH side and the LH side.
    2. Tape the screwdriver tip before use.


10. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH


    Lexus Is250, Is220D. Gse20 Ale20

  1. Remove the nut and the front wiper arm and blade assembly LH.



11. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH


    Lexus Is250, Is220D. Gse20 Ale20

  1. Remove the nut and the front wiper arm and blade assembly RH.



12. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20

  1. Remove the 2 clips.



    Lexus Is250, Is220D. Gse20 Ale20

  1. Disengage the 11 claws, and pull out the cowl top ventilator louver sub-assembly.



13. DRAIN BRAKE FLUID
NOTICE:
If brake fluid leaks onto any painted surface, wash off or remove the brake fluid completely.


14. REMOVE NO. 3 ENGINE ROOM RELAY BLOCK


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal

  1. Remove the bolt, nut and No. 3 engine room relay block.

    NOTICE:
    Cover the No. 3 engine room relay block with a shop rag or a piece of cloth to prevent brake fluid from getting on it.


15. SEPARATE CLUTCH RESERVOIR HOSE (for Manual Transmission)

  1. Remove the clip and separate the clutch reservoir hose.



16. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal

  1. Disengage the clamp and disconnect the warning switch connector.

  1. Using SST, disconnect the 2 brake lines from the brake master cylinder sub-assembly.

    SST
    09023-00101


  1. Remove the 2 nuts and separate the brake actuator assembly.


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Master Cylinder Removal

  1. Remove the 2 nuts and brake master cylinder sub-assembly from the brake booster assembly.

  1. Remove the O-ring from the brake master cylinder sub-assembly.