GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1774876  Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement.
  2. Disconnect the engine wiring harness electrical connector (1) from the evaporative emission (EVAP) canister purge solenoid.

  3. Object Number: 1774990  Size: SH
  4. Disconnect the EVAP pipe quick connect fitting (2) from the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.

  5. Object Number: 1775003  Size: SH
  6. Remove the EVAP canister purge solenoid bolt (1).
  7. Remove the EVAP canister purge solenoid (2) from the upper intake manifold.
  8. Remove and discard the EVAP canister purge solenoid O-ring seal (3).

Installation Procedure


    Object Number: 1775003  Size: SH
  1. Install a NEW EVAP canister purge solenoid O-ring seal (3) to the upper intake manifold.
  2. Install the EVAP canister purge solenoid (2) to the upper intake manifold.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the EVAP canister purge solenoid bolt (1).
  5. Tighten
    Tighten the bolt to 16 N·m (12 lb ft).


    Object Number: 1774990  Size: SH
  6. Connect the EVAP pipe quick connect fitting (2) to the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.

  7. Object Number: 1774876  Size: SH
  8. Connect the engine wiring harness electrical connector (1) to the EVAP canister purge solenoid.
  9. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.