Brake Booster (W/ Vsc) Removal

Brake. Lexus Gs430, Gs300. Uzs190 Grs190
Brake. Lexus Gs430, Gs300. Uzs190 Grs190

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. REMOVE COOL AIR INTAKE DUCT SEAL

  3. REMOVE ENGINE ROOM SIDE COVER LH

  4. REMOVE ENGINE ROOM SIDE COVER RH

  5. REMOVE FRONT PILLAR TO FRONT SIDE SEAL SUB-ASSEMBLY LH

  6. REMOVE FRONT PILLAR TO FRONT SIDE SEAL SUB-ASSEMBLY RH

  7. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH

  8. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH

  9. REMOVE FRONT FENDER TO COWL SIDE SEAL LH

  10. REMOVE FRONT FENDER TO COWL SIDE SEAL RH

  11. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

  12. DRAIN BRAKE FLUID

  13. REMOVE FRONT WHEEL

  14. REMOVE ENGINE ROOM RELAY NO.3 BLOCK

  15. REMOVE BRAKE MASTER WITH PLATE CYLINDER SUB-ASSEMBLY

  16. REMOVE ABS AND TRACTION ACTUATOR ASSEMBLY WITH BRACKET

  17. REMOVE CONSOLE UPPER PANEL GARNISH

  18. REMOVE CONSOLE UPPER PANEL SUB-ASSEMBLY

  19. REMOVE INSTRUMENT PANEL FINISH PANEL END LH (for LHD)

  20. REMOVE INSTRUMENT PANEL FINISH PANEL END RH (for RHD)

  21. REMOVE FRONT DOOR SCUFF PLATE LH (for LHD)

  22. REMOVE FRONT DOOR SCUFF PLATE RH (for RHD)

  23. REMOVE FRONT DOOR OPENING TRIM COVER LH (for LHD)

  24. REMOVE FRONT DOOR OPENING TRIM COVER RH (for RHD)

  25. REMOVE INSTRUMENT SIDE PANEL LH (for LHD)

  26. REMOVE INSTRUMENT SIDE PANEL RH (for RHD)

  27. REMOVE INSTRUMENT PANEL UNDER NO.1 COVER SUB-ASSEMBLY

  28. REMOVE INSTRUMENT PANEL NO.1 SAFETY PAD SUB-ASSEMBLY

  29. REMOVE DRIVER SIDE KNEE AIRBAG ASSEMBLY

  30. REMOVE BRAKE PEDAL RETURN SPRING

  31. SEPARATE BRAKE MASTER CYLINDER PUSH ROD CLEVIS

  32. REMOVE BRAKE BOOSTER ASSEMBLY

  33. REMOVE BRAKE BOOSTER GASKET

  34. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY

  35. REMOVE BRAKE MASTER CYLINDER PUSH ROD CLEVIS

Brake Booster (W/ Vsc) -- Removal



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL


2. REMOVE COOL AIR INTAKE DUCT SEAL


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the 7 clips and duct seal.



3. REMOVE ENGINE ROOM SIDE COVER LH


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the 3 clips and side cover.



4. REMOVE ENGINE ROOM SIDE COVER RH


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the nut, 2 clips and side cover.



5. REMOVE FRONT PILLAR TO FRONT SIDE SEAL SUB-ASSEMBLY LH


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using a clip remover, detach the 3 clips and remove the side seal.



6. REMOVE FRONT PILLAR TO FRONT SIDE SEAL SUB-ASSEMBLY RH
HINT:
Use the same procedures described for the LH side.


7. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH

  1. Remove the nut, wiper arm and blade.



8. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH

  1. Remove the nut, wiper arm and blade.



9. REMOVE FRONT FENDER TO COWL SIDE SEAL LH


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Pull the cowl side seal in the direction indicated by the arrow in the illustration to detach the 2 claws and remove the cowl side seal.



10. REMOVE FRONT FENDER TO COWL SIDE SEAL RH
HINT:
Use the same procedures described for the LH side.


11. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the 2 clips and detach the 5 claws.



    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Pull the ventilator louver in the direction indicated by the arrow in the illustration to detach the 10 claws and remove the ventilator louver.



12. DRAIN BRAKE FLUID
NOTICE:
Wash brake fluid off immediately if it is spilled on any painted surface.


13. REMOVE FRONT WHEEL


14. REMOVE ENGINE ROOM RELAY NO.3 BLOCK


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

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

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


15. REMOVE BRAKE MASTER WITH PLATE CYLINDER SUB-ASSEMBLY

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



    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

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

    SST
    09023-00101


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) 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.



16. REMOVE ABS AND TRACTION ACTUATOR ASSEMBLY WITH BRACKET


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Release the lock lever and disconnect the actuator connector.

  1. Using SST, disconnect the 6 brake tubes from the actuator assembly with bracket.

    SST
    09023-00101


  1. Use tags or make a memo to identify the places to reconnect.


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal



    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using SST, disconnect the brake No.2 tube from the flexible hose. (for LHD)

    SST
    09023-00101


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using SST, disconnect the brake No.2 tube from the flexible hose. (for RHD)

    SST
    09023-00101

  1. Separate the grommet and remove the brake No.3 tube. (for LHD)

    NOTICE:
    Do not damage the brake No.3 tube.

  1. Separate the grommet and remove the brake No.2 tube. (for RHD)

    NOTICE:
    Do not damage the brake No.2 tube.


  1. Remove the 2 bolts, nut and actuator assembly from the body with bracket.

    NOTICE:
    Do not damage the brake tubes.


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal



17. REMOVE CONSOLE UPPER PANEL GARNISH


Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a clip remover, detach the claws and remove the garnish.

    HINT:
    Tape the clip remover tip before use.


18. REMOVE CONSOLE UPPER PANEL SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190

  1. Twist the shift lever knob in the direction indicated by the arrow and remove it.



    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using a screwdriver, detach the 9 clips.

    HINT:
    Tape the screwdriver tip before use.

  1. Remove the ash receptacle and then disconnect the connector.



19. REMOVE INSTRUMENT PANEL FINISH PANEL END LH (for LHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the screw.

  1. Using a screwdriver, detach the 4 clips and 3 claws.

    HINT:
    Tape the screwdriver tip before use.

  1. Remove the finish panel end.



20. REMOVE INSTRUMENT PANEL FINISH PANEL END RH (for RHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the screw.

  1. Using a screwdriver, detach the 3 clips and 3 claws.

    HINT:
    Tape the screwdriver tip before use.

  1. Remove the finish panel end.



21. REMOVE FRONT DOOR SCUFF PLATE LH (for LHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using a moulding remover, detach the 5 claws and remove the scuff plate.



22. REMOVE FRONT DOOR SCUFF PLATE RH (for RHD)
HINT:
Use the same procedures described for the LH side.


23. REMOVE FRONT DOOR OPENING TRIM COVER LH (for LHD)

  1. Using a moulding remover, detach the 3 claws and remove the trim cover.



24. REMOVE FRONT DOOR OPENING TRIM COVER RH (for RHD)

  1. Using a moulding remover, detach the 3 claws and remove the trim cover.



25. REMOVE INSTRUMENT SIDE PANEL LH (for LHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using a screwdriver, detach the 2 claws and 4 clips, and remove the side panel.

    HINT:
    Tape the screwdriver tip before use.


26. REMOVE INSTRUMENT SIDE PANEL RH (for RHD)


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using a screwdriver, detach the 2 claws and 4 clips, and remove the side panel.

    HINT:
    Tape the screwdriver tip before use.


27. REMOVE INSTRUMENT PANEL UNDER NO.1 COVER SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the 2 screws.

  1. Detach the 2 claws.

  1. Remove the under cover and then disconnect the connector.



28. REMOVE INSTRUMENT PANEL NO.1 SAFETY PAD SUB-ASSEMBLY


Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Using a screwdriver, detach the 8 clips and claw.

    HINT:
    Tape the screwdriver tip before use.

  1. Remove the hood lock control cable from the safety pad.

  1. Remove the safety pad.



29. REMOVE DRIVER SIDE KNEE AIRBAG ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 4 bolts and driver side knee airbag assembly.

  1. Disconnect the connector.

    NOTICE:
    When handling the airbag connector, take care not to damage the airbag wire harness.


30. REMOVE BRAKE PEDAL RETURN SPRING


31. SEPARATE BRAKE MASTER CYLINDER PUSH ROD CLEVIS


    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the clip and the push rod pin, then separate the push rod clevis.



32. REMOVE BRAKE BOOSTER ASSEMBLY


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the clip and disconnect the vacuum hose.



    Lexus Gs430, Gs300. Uzs190 Grs190.Brake.Brake System.Brake Booster (W/ Vsc) Removal

  1. Remove the 4 nuts and brake booster assembly.

    NOTICE:
    Do not damage the brake tubes.


33. REMOVE BRAKE BOOSTER GASKET


34. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY

  1. Remove the check valve assembly and grommet.



35. REMOVE BRAKE MASTER CYLINDER PUSH ROD CLEVIS

  1. Loosen the lock nut and remove the push rod clevis.