For 1990-2009 cars

### Removal Procedure

1. Remove the master cylinder. Refer to Master Cylinder Replacement .
2. Secure the master cylinder in a vise. Do not clamp the master cylinder body, secure only at the flange.
3. Remove the brake fluid level sensor . Using needle nose pliers, carefully depress the retaining tabs (1) on the end of the brake fluid level sensor and press the sensor through the reservoir to remove.
4. Carefully tap out the reservoir retaining pins.
5. Remove the reservoir from the master cylinder by pulling the reservoir straight up and away from the cylinder.
6. Remove the seals from the master cylinder.

### Installation Procedure

1. Inspect the reservoir (1) for cracks or deformation. If found, replace the reservoir.
2. Clean the reservoir with denatured alcohol, or equivalent.
3. Dry the reservoir with non-lubricated, filtered air.
4. Lubricate the new seals (2) and 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.
5. Install the lubricated seals (2), make sure they are fully seated.
6. Install the reservoir (1) to the master cylinder by pressing the reservoir straight down on the master cylinder until the pin holes are aligned.
7. Carefully tap the reservoir retaining pins into place to secure the reservoir.
8. Place the brake fluid level sensor into the reservoir, press into place to secure the sensor retaining tabs.
9. Install the master cylinder. Refer to Master Cylinder Replacement .