Removal Procedure
- Remove the master cylinder
from the vehicle. Refer to
Master Cylinder Replacement
in Hydraulic Brakes.
- Drain the brake fluid from the reservoir.
- Secure the master cylinder in a vise. Do not clamp the master
cylinder body, secure only the flange.
- Remove the reservoir body
by pulling the body straight up and away from the cylinder body.
- Remove the seals from the reservoir.
Installation Procedure
- 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 (Canadian P/N 992667)
or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
- Insert the O-rings into
the grooves in the reservoir. Make sure that the O-rings are properly seated.
- Install the reservoir to the master cylinder body. Use your hand
in order to press the reservoir straight down into the body.
- Install the master cylinder. Refer to
Master Cylinder Replacement
in Hydraulic Brakes.