GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 34730-1A Fuel Pressure Gage
    • J 42960-1 Fuel Tank Drain Hose
    • J 42960-2 Fuel Flapper Door Holder

Removal Procedure


    Object Number: 385622  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the evaporative emission (EVAP) canister vent valve electrical connector (2).
  3. Slide the vent hose clamp (1) back.
  4. Disconnect the vent hose from the EVAP vent valve.

  5. Object Number: 376991  Size: SH
  6. Remove the EVAP canister vent valve from the EVAP canister vent valve bracket.

Installation Procedure


    Object Number: 376991  Size: SH
  1. Install the EVAP canister vent valve to the EVAP canister vent valve bracket.

  2. Object Number: 385622  Size: SH
  3. Connect the vent hose to the EVAP canister vent valve.
  4. Slide the vent hose clamp (1) back into position.
  5. Connect the EVAP canister vent valve electrical connector (2).
  6. Install the fuel tank. Refer to Fuel Tank Replacement .