GM Service Manual Online
For 1990-2009 cars only

Power Brake Booster Vacuum Check Valve and Hose Replacement 2.2L

Removal Procedure


    Object Number: 385220  Size: SH
  1. Disconnect the vacuum hose from the check valve (1) on the vacuum brake booster.

  2. Object Number: 385213  Size: SH
  3. Disconnect the vacuum hose (1) from the vacuum pipe at the engine.
  4. Remove the vacuum hose.
  5. Remove the check valve from the rubber grommet on the vacuum brake booster.

Installation Procedure

  1. Install the check valve into the rubber grommet on the vacuum brake booster.
  2. Install the vacuum hose.

  3. Object Number: 385213  Size: SH
  4. Connect the vacuum hose (1) to the vacuum pipe at the engine.

  5. Object Number: 385220  Size: SH
  6. Connect the vacuum hose to the check valve (1) on the vacuum brake booster.

Power Brake Booster Vacuum Check Valve and Hose Replacement 3.4L

Removal Procedure


    Object Number: 385220  Size: SH
  1. Disconnect the vacuum hose from the check valve (1) on the vacuum brake booster.

  2. Object Number: 385223  Size: SH
  3. Disconnect the vacuum hose from the intake manifold (1).

  4. Object Number: 385214  Size: SH
  5. Remove the vacuum hose (1).
  6. Remove the check valve from the rubber grommet on the vacuum brake booster .

Installation Procedure

  1. Install the check valve into the rubber grommet on the vacuum brake booster.

  2. Object Number: 385214  Size: SH
  3. Install the vacuum hose (1).
  4. Install the vacuum hose.

  5. Object Number: 385223  Size: SH
  6. Connect the vacuum hose from the intake manifold (1).

  7. Object Number: 385220  Size: SH
  8. Connect the vacuum hose to the check valve (1) on the vacuum brake booster.