Caution: Refer to Brake Fluid Irritant Caution in the Preface section.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in the Preface section.

Preliminary Procedures

1. Using a suitable tool, remove the brake fluid from the brake master cylinder reservoir.
2. Discard the brake fluid into an approved container.
3. Remove the air cleaner element. Refer to Air Cleaner Element Replacement .
4. Remove the windshield washer solvent heater, if equipped. Refer to Windshield Washer Solvent Heater Replacement .

1

Master Cylinder Fluid Level Sensor Electrical Connector

Procedure

Disconnect the electrical connector.

2

Master Cylinder Reservoir

Procedure

Carefully spread the 4 locking tabs and lift the master cylinder reservoir upward.

3

Master Cylinder Reservoir Seals (Qty: 2)

Procedure

1. Lubricate the 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.
2. Place the new lubricated seals on the reservoir-to-housing barrels before installing the reservoir to the master cylinder housing.
3. Fill the brake master cylinder reservoir. Refer to Master Cylinder Reservoir Filling .