Removal and Installation

1. Disconnect battery ground cable and remove air cleaner.
2. Disconnect manifold vacuum hose from booster check valve.
3. Disconnect brake lines from primary and secondary outlet ports of master cylinder.
4. Remove master cylinder-to-booster attaching nuts and the master cylinder.
5. Working under instrument panel, disconnect electrical connector from stop lamp switch.
6. Remove hairpin type retainer. Slide stop lamp switch off brake pedal pin just far enough for the switch outer hole to clear the pin, then lower switch away from pin.
7. Remove booster-to-dash panel attaching nuts.
8. On models equipped with speed control, unfasten control amplifier from lower outboard booster stud and position aside.
9. On all models, slide booster pushrod, bushing and inner nylon washer off brake pedal pin.
10. Move booster forward in engine compartment until booster studs clear dash panel, then rotate front of booster toward engine and remove booster.
11. Reverse procedure to install.
a. Perform system brake bleeding procedures.
b. Torque booster to dash panel retaining nuts to 14-25 ft. lbs.
c. Torque master cylinder to booster locking nuts to 14-25 ft. lbs.