Envoy 2WD L6-4.2L (2008)
6. Remove the seals from the brake master cylinder.
7. Clean the master cylinder area with denatured alcohol, or equivalent.
8. Dry the master cylinder with non-lubricated, filtered air.
Installation Procedure
1. Lubricate the new seals and the outer surface area of the reservoir-to-housing barrels with Delco Supreme 11(R) GM P/N 12377967 Canadian P/N
992667 or equivalent DOT-3 bake fluid from a clean, sealed brake fluid container.
2. Install the lubricated seals, make sure that the seals are fully seated in the brake master cylinder.
Important: When performing the following service procedure, apply equal pressure to ensure proper seating of the reservoir and the pin
holes are aligned.
3. Install the reservoir to the brake master cylinder.
