GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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.


    Object Number: 569877  Size: SH
  1. Disconnect the electrical connector from the Brake Fluid Level sensor (3).

  2. Object Number: 165377  Size: SH
  3. Disconnect the fluid level switch using needle nose pliers in order to compress the switch locking tabs (1) at the inboard side of the master cylinder.

Installation Procedure


    Object Number: 165377  Size: SH
  1. Install the Brake Fluid Level sensor into the master cylinder reservoir (2) until the locking tabs (1) snap into place.

  2. Object Number: 569877  Size: SH
  3. Connect the electrical connector to the Brake Fluid Level sensor  (3).