GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Aztek - FWD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Brake Booster Vacuum Check Valve and Hose Replacement

Removal Procedure

    Object Number: 177473 Size: SH
  1. Remove the vacuum hose from the intake manifold.
  2. Remove the vacuum brake booster check valve from the booster.

    3. Object Number: 688567 Size: SH
  3. Remove the vacuum hose (1) from the vacuum brake booster check valve (2).

Installation Procedure

    Object Number: 177473 Size: SH
  1. Install the vacuum hose to the intake manifold.
  2. Install the check valve to the vacuum brake booster.

    3. Object Number: 688567 Size: SH
  3. Install the vacuum hose (1) to the vacuum brake booster check valve (2).