GM Service Manual Online
For 1990-2009 cars only

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

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution 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: 1961294  Size: SH
  7. Remove the fluid level indicator switch (1) from the master cylinder.
  8. Compress the locking tabs on the switch from the underside of the master cylinder reservoir.

Installation Procedure

  1. Clean the reservoir with denatured alcohol.
  2. Dry the reservoir with filtered, non-lubricated compressed air.

  3. Object Number: 1961294  Size: SH
  4. Install the fluid level indicator switch (1) to the master cylinder.
  5. Ensure the locking tabs on the switch are fully engaged to the master cylinder reservoir.


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


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

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