Envoy 4WD V8-5.3L VIN M (2005)
Brake Master Cylinder: Service and Repair
Master Cylinder Replacement
Master Cylinder Replacement
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.
Removal Procedure
1. Apply the parking brake.
2. Disconnect the master cylinder fluid level sensor connector.
3. Disconnect the brake pipes from the master cylinder.
4. Important: Install a rubber cap or plug to the exposed brake hose fitting ends in order to prevent brake fluid loss and contamination.
Plug the brake pipes.
