GM Service Manual Online
For 1990-2009 cars only

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.

Removal Procedure


    Object Number: 1961286  Size: SH
  1. Disconnect the brake fluid level indicator switch electrical connector.
  2. Remove and discard the brake fluid from the master cylinder reservoir.
  3. Remove the master cylinder reservoir bolt (1).

  4. Object Number: 1961289  Size: SH
  5. Remove the reservoir (1) from the master cylinder.

  6. Object Number: 1961291  Size: SH
  7. Remove the reservoir seals (1) from the master cylinder.

Installation Procedure

  1. Inspect the master cylinder reservoir for damage and replace, if necessary.
  2. Clean the reservoir with denatured alcohol.
  3. Dry the reservoir with filtered, non-lubricated compressed air.

  4. Object Number: 1961291  Size: SH
  5. Lubricate the seals and the reservoir bayonets with Delco Supreme 11®, GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid.
  6. Install the reservoir seals (1) to the master cylinder.

  7. Object Number: 1961289  Size: SH
  8. Install the reservoir (1) to the master cylinder.
  9. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1961286  Size: SH
  10. Install the master cylinder reservoir bolt (1).
  11. Tighten
    Tighten the bolt to 8 N·m (71 lb in).

  12. Connect the brake fluid level indicator switch electrical connector.
  13. Fill the master cylinder reservoir. Refer to Master Cylinder Reservoir Filling.