GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1239219  Size: SH
  1. Loosen the fuel cap in order to relieve the system pressure.
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  3. Disconnect the evaporative emission (EVAP) canister purge valve electrical connector (1).
  4. Disconnect the EVAP purge pipe (2) from the EVAP canister purge valve.

  5. Object Number: 1242773  Size: SH
  6. Remove the EVAP canister purge valve retaining bolt.
  7. Remove the EVAP canister purge valve from the water housing.

Installation Procedure

    Note: Be sure to install a new O-ring on the EVAP purge valve.

  1. Lubricate the O-ring with clean engine oil.

  2. Object Number: 1242773  Size: SH
  3. Install the EVAP canister purge valve to the water housing.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the EVAP canister purge valve retaining bolt and tighten to 12 N·m (106 lb in).

  6. Object Number: 1239219  Size: SH
  7. Connect the EVAP purge pipe (2) to the EVAP canister purge valve.
  8. Connect the EVAP canister purge valve electrical connector (1).
  9. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.