Power Brake Booster - Removal

REMOVAL

1. Move driver's seat to full rearward position.
2. Disconnect negative (-) battery cable from battery post and isolate.

CAUTION: Vacuum in power brake booster must be pumped down (removed) before removing master cylinder from power brake booster. This is necessary to prevent power brake booster from sucking in any contamination as master cylinder is removed. This can be done simply by pumping brake pedal, with vehicle's engine not running, until a firm feeling brake pedal is achieved.

3. With engine not running, pump brake pedal until a firm pedal is achieved (4-5 strokes).
4. Remove coolant recovery bottle from its mount, then remove master cylinder. Master Cylinder - Removal
5. Disconnect vacuum hose from check valve on face of booster. Do not remove check valve from booster.




6. Remove booster push rod (1) from pin on brake pedal. To do so:
a. Position small screwdriver between center tang on power brake booster brake pedal pin retaining clip (4).
b. Rotate screwdriver enough to allow retaining clip center tang to pass over end of brake pedal pin, then slide retaining clip off brake pedal pin.
c. Discard retaining clip. It is not to be reused. Install NEW retaining clip when assembling.
d. Slide booster push rod (1) off brake pedal pin.




7. Remove and discard stop lamp switch (1). Do not reuse switch; install NEW switch upon Installation. Removal




8. Remove four power brake booster mounting nuts (2).




9. Slide power brake booster (3) forward and remove through engine compartment.