GM Service Manual Online
For 1990-2009 cars only

Power Brake Booster Vacuum Check Valve and Hose Replacement LHD

Removal Procedure


    Object Number: 753292  Size: SH
  1. Disconnect the vacuum hose (2) and the brake booster vacuum check valve (3) from vacuum brake booster (4).
  2. Remove the vacuum hose retainer from the power steering reservoir.
  3. Disconnect the vacuum hose (2) from the intake manifold vacuum port (1).

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

Installation Procedure


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

  2. Object Number: 753292  Size: SH
  3. Connect the vacuum hose (2) to the intake manifold vacuum port (1).
  4. Install the vacuum hose retainer to the power steering reservoir.
  5. Connect the vacuum hose (2) and vacuum brake booster check valve (3) to vacuum brake booster (4).

Power Brake Booster Vacuum Check Valve and Hose Replacement RHD

Removal Procedure


    Object Number: 753322  Size: SH
  1. Disconnect the vacuum hose (3) and the brake booster vacuum check valve (2) from vacuum brake booster (1).
  2. Remove the vacuum hose retainer from the power steering reservoir.
  3. Remove the vacuum hose retainer from the rear of the plenum.
  4. Disconnect the vacuum hose (3) from the intake manifold vacuum port (4).

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

Installation Procedure


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

  2. Object Number: 753322  Size: SH
  3. Connect the vacuum hose (3) to the intake manifold vacuum port (4).
  4. Install the vacuum hose retainer to the power steering reservoir.
  5. Install the vacuum hose retainer to the rear of the plenum.
  6. Connect the vacuum hose (3) and vacuum brake booster check valve (2) to vacuum brake booster (1).