Rainier AWD L6-4.2L VIN S (2005)
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 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.
3. Important: When performing the following service procedure, apply equal pressure to ensure proper seating of the reservoir and the pin holes are
aligned.
Install the reservoir to the brake master cylinder.
