Toyota 4Runner: Removal

Toyota 4Runner Service Manual / Brake / Brake System (other) / Brake Booster / Removal

REMOVAL

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1. DRAIN BRAKE FLUID

NOTICE:

Wash off brake fluid immediately if it comes in contact with any painted surface.

2. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY

(a) Remove the brake master cylinder sub-assembly (See page ).

3. REMOVE BRAKE PEDAL RETURN SPRING

4. REMOVE PUSH ROD PIN

5. DISCONNECT BRAKE MASTER CYLINDER PUSH ROD CLEVIS

(a) Loosen the brake master cylinder push rod clevis lock nut.

(b) Disconnect the brake master cylinder push rod clevis.

6. DISCONNECT VACUUM HOSE

(a) Slide the clip and disconnect the vacuum hose.

7. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY

(a) Remove the vacuum check valve assembly from the brake booster assembly.

8. REMOVE CHECK VALVE GROMMET

(a) Remove the check valve grommet from the brake booster assembly.

9. REMOVE BRAKE BOOSTER ASSEMBLY

(a) Remove the 4 nuts and brake booster assembly from the body.

NOTICE:

Do not damage the brake lines.

10. REMOVE BRAKE BOOSTER GASKET

(a) Remove the brake booster gasket from the brake booster assembly.

11. REMOVE BRAKE MASTER CYLINDER PUSH ROD CLEVIS

(a) Loosen the lock nut and remove the brake master cylinder push rod clevis and lock nut from the brake booster assembly.

On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ASSEMBLY (a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal severa ...

Inspection

INSPECTION PROCEDURE 1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Check that there is ventilation from the booster to the engine and no ventilation from the engine to the booster ...

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