Sierra 1500 2WD V8-5.3L Hybrid (2004)
Brake Master Cylinder: Service and Repair
Master Cylinder Replacement (Hydraulic Boost)
Master Cylinder Replacement (Hydraulic Boost)
Removal Procedure
Caution: Refer to Brake Fluid Irritant Caution in Service Precautions.
Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Service Precautions.
1. Apply the park brake and block the wheels.
2. Disconnect the electrical connector from the brake fluid level sensor.
3. Important:
Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.
Disconnect the brake pipes from the master cylinder.
4. Plug the open brake pipe ends.
5. Remove the master cylinder mounting nuts.
6. Remove the master cylinder from the vehicle.
7. Remove the master cylinder reservoir.
Installation Procedure
1. Install the master cylinder reservoir.
