GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: The EVAP canister may have released carbon particles which caused this part to fail and may cause damage to other components. Check the EVAP canister for loose carbon before returning the vehicle to service.

  1. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .

  2. Object Number: 159667  Size: SH
  3. Disconnect the two vacuum hoses from the evaporative emission (EVAP) canister purge valve.
  4. Disconnect the EVAP canister purge valve electrical connector.
  5. Remove the two bolts from the EVAP canister surge tank bracket.
  6. Move the EVAP canister surge tank and bracket away from the EVAP canister purge valve.
  7. Remove the one nut from the EVAP canister purge valve bracket.
  8. Remove the EVAP canister purge valve.

Installation Procedure


    Object Number: 159667  Size: SH
  1. Install the EVAP canister purge valve to the EVAP canister surge tank bracket.
  2. 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.

  3. Secure the EVAP canister purge valve to the bracket with the one nut.
  4. Tighten
    Tighten the EVAP canister purge valve nut to 1.6 N·m  (14 lb in).

  5. Install the EVAP canister purge valve and bracket to the intake manifold bracket with the two bolts.
  6. Tighten
    Tighten the bracket bolts to 11N·m  (8 lb ft).

  7. Connect the EVAP canister purge valve electrical connector.
  8. Important: Refer to the Vehicle Emissions Control Information Label for the proper routing of the EVAP hoses.

  9. Connect the two vacuum hoses to the EVAP canister purge valve.
  10. Install the air cleaner. Refer to Air Cleaner Assembly Replacement .