Vacuum Brake Booster: Service and Repair

Brake Booster





Removal and Installation
1. Disconnect the battery.

2. NOTE: Install new master cylinder nuts.

Remove and discard the 2 master cylinder nuts.
^ To install, tighten to 25 Nm (18 ft. lbs.).

3. NOTE: It is not necessary to disconnect the brake tube fittings.

Carefully position the brake master cylinder assembly forward.
4. Disconnect the vacuum hose/check valve assembly from the brake booster.
5. Remove the brake pedal position (BPP) switch.
6. If equipped, remove the speed control deactivator switch.
7. Remove the brake booster pushrod pin redundant clip.
8. Remove the brake booster pushrod self-locking pin.
9. Remove the brake booster pushrod outer bushing
10. Slide the brake booster pushrod off of the brake pedal pin and position the pushrod aside.
11. Remove the 4 nuts and the brake booster.
^ To install, tighten to 23 Nm (17 ft. lbs.).
12. To install, reverse the removal procedure.