Hydraulic Brake Booster Replacement (Booster)

NOTICE: Hydraulic brake systems use two distinct and incompatible fluids. Power steering fluid is used in the hydraulic brake booster system. Brake fluid is used in the master cylinder and brake pipes. Use extreme care when selecting brake system fluids, or seal damage can result.

REMOVAL PROCEDURE

CAUTION: Before removing or installing any electrical unit or when a tool or equipment could easily come in contact with "live" exposed electrical terminals, disconnect the negative battery cable to help prevent personal injury and/or damage to the vehicle or components. Unless instructed otherwise, the ignition switch must be in the "OFF" or "LOCK" position.

1. Disconnect the negative battery cable.
2. Apply the parking brake.
3. Disconnect the inlet hose, the steering gear, and the return hoses from the booster assembly.
4. Remove the master cylinder nuts.





5. Remove the master cylinder and wiring harness bracket.
6. Remove the stoplamp switch and the pushrod.





7. Remove the nuts.
8. Remove the booster assembly.
9. Remove the gasket.

INSTALLATION PROCEDURE





1. Install the gasket.
2. Install the booster assembly.
3. Install the nuts.
^ Tighten the nuts to 36 Nm (26 ft. lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.

4. Install the stoplamp switch and pushrod.





5. Install the master cylinder and bracket.





6. Install the master cylinder nuts.
^ Tighten the nuts to 30 Nm (20 ft. lbs.).
7. Connect the return hose, steering gear, and inlet hoses.
8. Connect the negative battery cable.
9. Bleed the hydraulic booster system.