Operation CHARM: Car repair manuals for everyone.

Vacuum Brake Booster: Service and Repair

Removal and Installation
1. Disconnect the battery negative cable.





2. Loosen the clamp and separate the air cleaner outlet tube and resonator from the air cleaner.





3. Disconnect the Mass Air Flow (MAF) sensor electrical connector.





4. Lift the air cleaner assembly from the air cleaner tray.





5. Remove the screws and position aside the power steering reservoir.





6. Disconnect the brake fluid level switch and if equipped, the brake pressure switch.





7. NOTE: Support the master cylinder with a wire tie or mechanics wire.

Remove and discard the two nuts and position the master cylinder aside.





8. Remove the mounting bolts for the degas bottle and position aside.





9. If equipped, disconnect the wiring at the pedal travel sensor and solenoid.





10. Release the clamp and disconnect the hose.





11. Remove the pin, washer, bushing and switch, and disconnect the booster pushrod.
12. Remove the nuts and the brake booster.
^ To access the retaining nuts, fold back the sound insulation.





13. NOTE: The booster pushrod must be installed with the pushrod offset pointing downward.

To install, reverse the removal procedure.
^ Use new nuts when installing the master cylinder.