GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 241627  Size: SH
  1. Clean the master cylinder reservoir cap before removing in order to keep dirt from entering the reservoir.
  2. Remove the reservoir cap from the reservoir.
  3. Remove the rubber diaphragm from the cap.
  4. • Clean any brake fluid that exists between the cap and the rubber diaphragm with a dry, lint-free rag.
    • Inspect the brake fluid for the proper level. Remove fluid if necessary.

Installation Procedure


    Object Number: 241627  Size: SH
  1. Install the rubber diaphragm into the cap.
  2. Install the reservoir cap on the reservoir.