GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 293272  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.5L.
  2. Remove the PCV hose from the right valve rocker cover and reposition the hose.
  3. Disconnect the EVAP purge pipe (4) from the EVAP canister purge valve.
  4. Disconnect the evaporative emission (EVAP) canister purge valve electrical connector (5).

  5. Object Number: 293273  Size: SH
  6. Remove the EVAP canister purge valve retaining bolt (2).
  7. Partially open the throttle and remove the EVAP canister purge valve (3) from the intake manifold (1).

Installation Procedure


    Object Number: 293273  Size: SH
  1. Install the new O-ring on the EVAP purge valve.
  2. Partially open the throttle and install the EVAP canister purge valve (3) to 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 canister purge valve bolt (2).
  5. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  6. Allow the throttle to close.

  7. Object Number: 293272  Size: SH
  8. Connect the EVAP canister purge valve electrical connector (5).
  9. Connect the EVAP purge pipe (4) to the EVAP canister purge valve.
  10. Install the PCV hose to the right valve rocker cover.
  11. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.5L.