GM Service Manual Online
For 1990-2009 cars only

Power Brake Booster Vacuum Check Valve and Hose Replacement for Buick Regal (China) 2001

Removal Procedure


    Object Number: 176823  Size: SH
  1. Remove the fuel injector sight shield (3.8 Liter engine only).
  2. Disconnect the vacuum hose from the intake manifold.
  3. Disconnect the vacuum hose (2) from the vacuum brake booster check valve (1).
  4. Remove the vacuum brake booster check valve (1) from the vacuum brake booster.

Installation Procedure


    Object Number: 176823  Size: SH
  1. Install the vacuum brake booster check valve (1) onto the vacuum brake booster.
  2. Connect the vacuum hose (2) to vacuum brake booster (1).
  3. Connect the vacuum hose to the intake manifold.
  4. Install the fuel injector sight shield (3.8 Liter engine only).