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

Removal Procedure

    Object Number: 1647981 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the engine harness electrical connector (2) from the evaporative emission (EVAP) canister purge valve.
  3. Remove the engine harness retainer (1) from the EVAP canister purge valve bracket.

    4. Object Number: 1623766 Size: SH
  4. Disconnect the EVAP canister purge valve tube from the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .

    5. Object Number: 1652164 Size: SH
  5. Disconnect the chassis EVAP vapor line from the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service .

    6. Object Number: 1578478 Size: SH
  6. Remove the EVAP canister purge valve bracket bolt.
  7. Remove the EVAP canister purge valve with bracket.
  8. Remove the EVAP canister purge valve from the bracket.
  9. 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. Position the EVAP canister purge valve with bracket to the cylinder head.

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

  3. Install the EVAP canister purge valve bracket bolt.

    4. Tighten
    Tighten the bolt to 18 N·m (13 lb ft).


    Object Number: 1652164 Size: SH
  4. Connect the chassis EVAP vapor line to the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service .

    5. Object Number: 1623766 Size: SH
  5. Connect the chassis EVAP vapor line to the EVAP canister purge valve. Refer to Plastic Collar Quick Connect Fitting Service .

    6. Object Number: 1647981 Size: SH
  6. Connect the engine harness electrical connector (2) to the EVAP canister purge valve.
  7. Install the engine harness retainer (1) to the EVAP canister purge valve bracket.
  8. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .