GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Century (China) 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Vacuum Brake Booster Check Valve Replacement

Removal Procedure

Important: The vacuum check valve and the grommet may be inspected and serviced without removing the booster from the vehicle.


    Object Number: 176823 Size: SH
  1. Disconnect the brake booster vacuum hose (2) at the vacuum check valve (1).

    2. Object Number: 176828 Size: SH
  2. Disconnect the brake booster vacuum check valve (2) from the booster (5).
  3. Remove the brake booster vacuum check valve grommet (3) from the booster (5).

Installation Procedure

    Object Number: 176828 Size: SH
  1. Install a new brake booster vacuum check valve grommet (3) to the booster (5).
  2. Connect the brake booster vacuum check valve (2) to the booster (5).

    3. Object Number: 176823 Size: SH
  3. Connect the brake booster vacuum hose (2) at the vacuum check valve (1).