Brake Booster Removal

Brake. Corolla. Zre142 Aze141
Brake System (Other). Corolla. Zre142 Aze141

  1. REMOVE NO. 2 CYLINDER HEAD COVER (for 2ZR-FE)

  2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (for 2ZR-FE)

  3. REMOVE AIR CLEANER CASE (for 2ZR-FE)

  4. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY (for 2AZ-FE)

  5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE (for 2AZ-FE)

  6. REMOVE AIR CLEANER CASE (for 2AZ-FE)

  7. REMOVE FRONT WIPER ARM HEAD CAP

  8. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH

  9. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH

  10. REMOVE HOOD TO COWL TOP SEAL

  11. REMOVE CENTER NO. 1 COWL TOP VENTILATOR LOUVER

  12. REMOVE COWL TOP VENTILATOR LOUVER LH

  13. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

  14. REMOVE OUTER COWL TOP PANEL (for TMC Made)

  15. REMOVE OUTER COWL TOP PANEL (except TMC Made)

  16. REMOVE SUSPENSION TOWER DAMPER ASSEMBLY (w/ Front Strut Bar)

  17. DRAIN BRAKE FLUID

  18. DISCONNECT CLUTCH TUBE (for Manual Transaxle)

  19. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY

  20. REMOVE BRAKE PEDAL RETURN SPRING

  21. SEPARATE BRAKE MASTER CYLINDER PUSH ROD CLEVIS

  22. DISCONNECT VACUUM HOSE

  23. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY

  24. REMOVE CHECK VALVE GROMMET

  25. REMOVE NO. 5 FRONT BRAKE TUBE

  26. REMOVE BRAKE BOOSTER ASSEMBLY

  27. REMOVE BRAKE BOOSTER GASKET

  28. REMOVE BRAKE MASTER CYLINDER PUSH ROD CLEVIS

Brake Booster -- Removal


NOTICE:
Make sure to release the vacuum from the brake booster before removing the master cylinder from the brake booster.


1. REMOVE NO. 2 CYLINDER HEAD COVER (for 2ZR-FE)


    Corolla. Zre142 Aze141
  1. Hold the rear of the cover and raise it to disengage the 2 clips on the rear of the cover. Continue to raise the cover to disengage the 2 clips on the front of the cover to remove the cover.

    NOTICE:
    Attempting to disengage both front and rear clips at the same time may cause the cover to break.


2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (for 2ZR-FE)


    Corolla. Zre142 Aze141
  1. Disconnect the mass air flow meter connector and the 2 wire harness clamps.



    Corolla. Zre142 Aze141.Brake System (Other).Brake System.Brake Booster  Removal
  1. Disconnect the ventilation hose and loosen the hose clamp.



    Corolla. Zre142 Aze141.Brake System (Other).Brake System.Brake Booster  Removal
  1. Release the 2 clamps and remove the air cleaner cap sub-assembly with hose.



3. REMOVE AIR CLEANER CASE (for 2ZR-FE)
  1. Separate the air cleaner filter element from the air cleaner.



    Corolla. Zre142 Aze141
  1. Disconnect the engine wire harness clamp from air cleaner case.

  1. Remove the 3 bolts and the air cleaner case.



4. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY (for 2AZ-FE)


    Corolla. Zre142 Aze141
  1. Remove the 2 nuts and No. 1 engine cover sub-assembly.



5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE (for 2AZ-FE)


    Corolla. Zre142 Aze141
  1. Disconnect the mass air flow meter connector.

  1. Separate the 2 wire harness clamps.



    Corolla. Zre142 Aze141
  1. Disconnect the No. 1 vacuum switching valve connector and the 2 vacuum hoses.



    Corolla. Zre142 Aze141
  1. Disconnect the ventilation hose.



    Corolla. Zre142 Aze141
  1. Loosen the No. 1 air cleaner hose clamp, release the 3 air cleaner assembly clamps and remove the air cleaner cap sub-assembly with No. 1 hose.



6. REMOVE AIR CLEANER CASE (for 2AZ-FE)
  1. Remove the air cleaner filter element.



    Corolla. Zre142 Aze141
  1. Disconnect the clamp of the engine wire.

  1. Remove the 3 bolts and air cleaner case.



7. REMOVE FRONT WIPER ARM HEAD CAP


    Corolla. Zre142 Aze141
  1. Remove the 2 front wiper arm head caps.



8. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH


    Corolla. Zre142 Aze141
  1. Remove the nut and the front wiper arm and blade assembly LH.



9. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH


    Corolla. Zre142 Aze141
  1. Remove the nut and the front wiper arm and blade assembly RH.



10. REMOVE HOOD TO COWL TOP SEAL


    Corolla. Zre142 Aze141
  1. Disengage the 7 clips and remove the hood to cowl top seal.



11. REMOVE CENTER NO. 1 COWL TOP VENTILATOR LOUVER


    Corolla. Zre142 Aze141
  1. Disengage the clip and 14 claws, and remove the center No. 1 cowl top ventilator louver.



12. REMOVE COWL TOP VENTILATOR LOUVER LH


    Corolla. Zre142 Aze141
  1. Disengage the clip and 8 claws, and remove the cowl top ventilator louver LH.



13. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY


    Corolla. Zre142 Aze141
  1. Disconnect the connector.

  1. Remove the 2 bolts and the windshield wiper motor and link assembly.



14. REMOVE OUTER COWL TOP PANEL (for TMC Made)


    Corolla. Zre142 Aze141
  1. Disengage the clamp and bend the water guard plate RH as shown in the illustration.



    Corolla. Zre142 Aze141
  1. Disengage the clamp.

  1. Remove the 12 bolts and outer cowl top panel.



15. REMOVE OUTER COWL TOP PANEL (except TMC Made)


    Corolla. Zre142 Aze141
  1. Disengage the clamp and bend the water guard plate RH as shown in the illustration.



    Corolla. Zre142 Aze141
  1. Disengage the clamp and bend the No. 1 heater air duct splash shield seal.



    Corolla. Zre142 Aze141
  1. Disengage the clamp.

  1. Remove the 12 bolts and outer cowl top panel.



16. REMOVE SUSPENSION TOWER DAMPER ASSEMBLY (w/ Front Strut Bar)


    Corolla. Zre142 Aze141
  1. Remove the 2 nuts and suspension tower damper assembly.



17. DRAIN BRAKE FLUID


18. DISCONNECT CLUTCH TUBE (for Manual Transaxle)


    Corolla. Zre142 Aze141
  1. Move the clip and disconnect the clutch tube.



19. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY


    Corolla. Zre142 Aze141
  1. Disconnect the connector and disengage the clamp.



    Corolla. Zre142 Aze141
  1. Using a union nut wrench (10 mm or 12 mm), disconnect the 4 brake lines from the brake master cylinder sub-assembly.



    Corolla. Zre142 Aze141.Brake System (Other).Brake System.Brake Booster  Removal
  1. Remove the 2 nuts, brake tube way and brake master cylinder sub-assembly.

    NOTICE:
    1. The master cylinder requires careful handling. Do not allow the master cylinder to receive any impact, such as from being dropped. Do not reuse a master cylinder that has been dropped.
    2. Do not strike or pinch the master cylinder piston, and do not cause any damage to the master cylinder piston by any other means.
    3. Make sure to release the vacuum from the brake booster before removing the master cylinder from the brake booster.
    4. When installing the master cylinder to the brake booster, or when removing the master cylinder from the brake booster, make sure that the master cylinder is kept horizontal or its tip faces downward (the piston faces upward) to prevent the master cylinder piston from falling off.
    5. Do not allow any foreign objects to contaminate the master cylinder piston. If a foreign object gets on the piston, remove it by using a piece of cloth and then apply an even layer of lithium soap base glycol grease around the circumference (sliding part) of the piston.
    6. Do not use any other type of grease or fluid.
  1. Remove the O-ring from the brake master cylinder sub-assembly.



20. REMOVE BRAKE PEDAL RETURN SPRING


    Corolla. Zre142 Aze141
  1. Remove the brake pedal return spring from the brake pedal support sub-assembly.



21. SEPARATE BRAKE MASTER CYLINDER PUSH ROD CLEVIS
  1. Remove the clip and clevis pin and separate the brake master cylinder push rod clevis from the brake pedal sub-assembly.



22. DISCONNECT VACUUM HOSE


    Corolla. Zre142 Aze141
  1. Slide the clip and disconnect the vacuum hose.



23. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
  1. Remove the vacuum check valve assembly from the brake booster assembly.



24. REMOVE CHECK VALVE GROMMET
  1. Remove the check valve grommet from the brake booster assembly.



25. REMOVE NO. 5 FRONT BRAKE TUBE


    Corolla. Zre142 Aze141.Brake System (Other).Brake System.Brake Booster  Removal
  1. Using a union nut wrench (10 mm), disconnect the No. 5 front brake tube from the front brake flexible hose LH.



    Corolla. Zre142 Aze141
  1. Remove the grommet and No. 5 front brake tube from the body.



26. REMOVE BRAKE BOOSTER ASSEMBLY


    Corolla. Zre142 Aze141
  1. Disengage the 2 clamps and separate the brake lines from the body.



    Corolla. Zre142 Aze141
  1. Remove the 4 nuts and brake booster assembly from the body.

    NOTICE:
    Do not damage the brake lines or fuel lines.


27. REMOVE BRAKE BOOSTER GASKET
  1. Remove the brake booster gasket from the brake booster assembly.



28. REMOVE BRAKE MASTER CYLINDER PUSH ROD CLEVIS
  1. Loosen the lock nut and remove the brake master cylinder push rod clevis and lock nut from the brake booster assembly.