Vacuum Brake Booster: Service and Repair

REMOVAL
1. Remove the master cylinder.
2. Disconnect vacuum hose at booster check valve.

Retainer Clip:

3. Remove retainer clip that holds booster push rod on pedal pin. Then slide push rod off pin.

Power Brake Booster Mounting:

4. Remove four nuts that attach booster to dash panel.
5. In engine compartment, slide booster forward, tilt it upward slightly, and remove it from engine compartment.

INSTALLATION
1. Check condition of grommet that secures check valve in booster. Replace grommet if cut, torn, or loose.
2. Install new booster dash seal.
3. Align and position booster on engine compartment side of dash panel.
4. Inside passenger compartment:
a. Lubricate pedal pin Mopar multi-mileage grease.
b. Install booster attaching nuts on studs. Tighten attaching nuts to 39 Nm (29 ft. lbs.).
c. Slide booster push rod on pedal pin. Then secure rod to pin with retainer clip.
5. In engine compartment, attach vacuum hose to booster check valve.
6. Install the master cylinder with new gasket and nuts.

CAUTION: The master cylinder installation procedure must be perform as written or damage to the booster/master cylinder may occur.

7. Fill and bleed brake system.