GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 475295  Size: SH
  1. Remove the intake manifold sight shield nuts (2) from the intake manifold sight shield (1).

  2. Object Number: 293273  Size: SH
  3. Disconnect the EVAP purge solenoid electrical connector.
  4. Remove the EVAP purge pipe from the EVAP purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Partially open the throttle.
  6. Remove the EVAP purge solenoid retaining bolt (2) from the EVAP purge solenoid.
  7. Remove the EVAP purge solenoid (3) from the intake manifold (1).

Installation Procedure

    Important: Be sure to install the new o-ring on the EVAP purge solenoid.

  1. Partially open the throttle.
  2. Install the EVAP purge solenoid (3) into the intake manifold (1).
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the EVAP purge solenoid retaining bolt.
  5. Tighten
    Tighten the bolt to 10 N·m (88 lb in).

  6. Allow the throttle to close.
  7. Connect the EVAP purge solenoid hose to the EVAP purge solenoid.
  8. Connect the EVAP purge solenoid electrical connector to the EVAP purge solenoid.

  9. Object Number: 475295  Size: SH
  10. Install the intake manifold sight shield (1) to the engine.
  11. Install the intake manifold sight shield nuts (2).
  12. Tighten
    Tighten the nuts to 3 N·m (27 lb in).