GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Opel 🢒 2008 🢒 Antara 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Brake Booster Vacuum Check Valve and Hose Replacement

Removal Procedure

    Object Number: 1764662 Size: SH
  1. Remove the clip on the vacuum hose connection at the brake booster.
  2. Remove the hose from the brake booster.

    3. Object Number: 1764663 Size: SH
  3. Remove the clip on the vacuum hose connection at the intake manifold.
  4. Remove the vacuum hose.

Installation Procedure


    Object Number: 1764663 Size: SH
  1. Install the vacuum hose to the vacuum hose connection at the intake manifold.
  2. Install the vacuum hose clip.

    3. Object Number: 1764662 Size: SH
  3. Install the vacuum hose to the booster.
  4. Install the vacuum hose clip.
  5. With the engine OFF, eliminate vacuum in the booster by pumping the brake pedal several times.
  6. Maintain moderate pressure on the brake pedal and start the engine.

    7. Observe the operation of the brake pedal.

    The brake assist system is functioning properly if the pedal drops slightly because the booster increases the force on the master cylinder pushrod.

    If the pedal does not drop, refer to Diagnostic Starting Point - Hydraulic Brakes .