Vacuum Brake Booster: Service and Repair

Brake Booster Replacement

1. Remove the master cylinder Service and Repair.

2. Disconnect the brake booster vacuum hose (A) from the brake booster (B).






3. Disconnect the two brake lines (A) from the VSA modulator-control unit (B).






4. Remove the lock pin (A) and the clevis pin (B), then disconnect the yoke from the brake pedal.

Without power adjustable pedals





With power adjustable pedals





5. Remove the brake booster mounting nuts (C).

6. Pull the brake booster (A) forward, and remove it from the engine compartment.

NOTICE
- Be careful not to damage the brake booster mounting surfaces and the threads on the booster studs.
- Be careful not to bend or damage the brake lines.


NOTE: Use the new brake booster gasket (B) during reassembly.





7. Install the brake booster in the reverse order of removal, and note these items:

- Install the master cylinder after installing the brake booster Service and Repair.
- Replace the master cylinder O-ring.
- Check the brake pedal height and free play after installing the master cylinder, and adjust it if necessary: without power adjustable pedals, Adjustmentswith power adjustable pedals Adjustments.
- Bleed the brake system Service and Repair.