GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 385226  Size: SH
  1. Disconnect the vacuum hose from the intake manifold.
  2. Disconnect the vacuum hose from the vacuum brake booster check valve (1).
  3. Remove the brake booster check valve (1) from the vacuum brake booster.

Installation Procedure


    Object Number: 385226  Size: SH
  1. Install the brake booster check valve (1) onto the vacuum brake booster.
  2. Connect the vacuum hose to the vacuum brake booster check valve (1).
  3. Connect the vacuum hose to the intake manifold.