GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the vacuum brake booster hose. Refer to Vacuum Brake Booster Hose Replacement.

  2. Object Number: 583680  Size: SH
  3. Remove the vacuum brake booster check valve (2) from the vacuum brake booster.

Installation Procedure


    Object Number: 583680  Size: SH
  1. Lubricate the outside diameter of the vacuum brake booster check valve (2) with a thin layer of silicone grease.
  2. Install the vacuum brake booster check valve (2) to the vacuum brake booster.
  3. Install the vacuum brake booster hose. Refer to Vacuum Brake Booster Hose Replacement.