C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Brake Master Cylinder: Service and Repair
Master Cylinder Replacement
Vacuum Boost
Master Cylinder Replacement (Vacuum Boost)
Caution: Refer to Brake Fluid Irritant Caution in Cautions and Notices.
Note: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Cautions and Notices.
Removal Procedure
1. Apply the park brake and block the wheels.
2. Disconnect the electrical connector from the brake fluid level sensor.
3. Disconnect the brake pipes from the master cylinder.
Important: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.
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. Refer to Master Cylinder Reservoir Replacement.
Installation Procedure
1. Install the master cylinder reservoir. Refer to Master Cylinder Reservoir Replacement.