Vacuum Brake Booster: Service and Repair

Brake Booster Replacement

1. Remove the master cylinder Service and Repair.

2. Remove the air cleaner assembly (A).






3. Disconnect the brake booster vacuum hose (A) from the brake booster.






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





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

6. Remove the brake booster (A) from the engine compartment.

NOTE:

- Be careful not to damage the brake booster mounting surfaces and the threads on the booster stud.
- Be careful not to bend or damage the brake lines.
- Use the new brake booster gasket (B) during reassembly.





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

- Adjust the pushrod clearance before installing the brake booster Adjustments.
- Install the master cylinder after installing the brake booster Service and Repair.
- Replace the master cylinder rod seal.
- Check the brake pedal height and free play after installing the master cylinder, and adjust it if necessary Adjustments.
- Bleed the brake system Service and Repair.