GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 G6 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Evaporative Emission Canister Purge Solenoid Valve Replacement

Removal Procedure

    Object Number: 1578477 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement.
  2. Disconnect the evaporative emission (EVAP) canister purge valve electrical connector.

    3. Object Number: 1571757 Size: SH
  3. Disconnect the EVAP canister purge valve tube. Refer to Plastic Collar Quick Connect Fitting Service.
  4. Disconnect the chassis EVAP vapor line from the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service.

    5. Object Number: 1578478 Size: SH
  5. Remove the EVAP canister purge valve bracket bolt.
  6. Remove the EVAP canister purge valve with bracket.
  7. Remove the EVAP canister purge valve from the bracket.
  8. Inspect for carbon release in the EVAP canister purge valve ports. If there is any loose carbon, replace the EVAP canister and any components necessary to remove the carbon particles.

Installation Procedure

    Object Number: 1578478 Size: SH
  1. Install the EVAP canister purge valve to the bracket.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Position the EVAP canister purge valve with bracket to the cylinder head.
  3. Install the EVAP canister purge valve bracket bolt.

    4. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).


    Object Number: 1571757 Size: SH
  4. Connect the EVAP canister purge valve tube. Refer to Plastic Collar Quick Connect Fitting Service.
  5. Connect the chassis EVAP vapor line to the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service.

    6. Object Number: 1578477 Size: SH
  6. Connect the EVAP canister purge valve electrical connector.
  7. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.