Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, 2004 Chevrolet Cab & Chassis Silverado, and 2003 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the reservoir for cracks or deformation. If found, replace the reservoir.
- Clean the reservoir with denatured alcohol, or equivalent.
- Dry the reservoir with non-lubricated, filtered air.
- Lubricate the new seals and the outer surface area of the reservoir-to-housing barrels with Delco Supreme 11® (GM P/N 12377967) or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
- Install the lubricated seals, make sure they are fully seated.
- Install the reservoir to the master cylinder by pressing the reservoir straight down on the master cylinder until the pin holes are aligned.
- Carefully install the reservoir retaining pins to secure the reservoir.
- Place the brake fluid level sensor into the reservoir, press into place to secure the sensor retaining tabs.
- Remove the master cylinder from the vice.
- Install the master cylinder. Refer to Master Cylinder Replacement (Vacuum Boost) or Master Cylinder Replacement (Hydraulic Boost) .
- Release the park brake.
- Bleed the hydraulic brake system. Refer toHydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) .