GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.

  2. Object Number: 486596  Size: SH
  3. Disconnect the evaporative emission (EVAP) canister purge valve harness connector.
  4. Disconnect the vacuum hoses from the EVAP canister purge valve.
  5. Disconnect the purge pipe from the EVAP canister purge valve.

  6. Object Number: 217748  Size: SH
  7. Release the tab on the EVAP canister purge valve bracket to remove the valve and remove the EVAP canister purge valve.

Installation Procedure


    Object Number: 217748  Size: SH
  1. Install the EVAP canister purge valve on the canister bracket.

  2. Object Number: 486596  Size: SH
  3. Connect the purge pipe to the EVAP canister purge valve.
  4. Connect the vacuum hose to the EVAP canister purge valve.

  5. Connect the EVAP canister purge valve harness connector.
  6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.