TrailBlazer 4WD L6-4.2L VIN S (2002)
5. Remove the reservoir from the brake master cylinder.
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 II (GM P/N 12377967) 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.
