GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

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

    Object Number: 385622  Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
  3. Drain the fuel tank. Refer to Fuel Tank Draining .
  4. Remove the fuel tank. Refer to Fuel Tank Replacement .
  5. Disconnect the EVAP canister vent valve electrical connector (2).
  6. Slide the vent hose clamp (1) back.
  7. Disconnect the vent hose from the EVAP vent valve.

  8. Object Number: 376991  Size: SH
  9. 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 .
  7. Refill the fuel tank.
  8. Install the fuel filler cap.
  9. Connect the negative battery cable.
  10. Inspect for leaks.
  11. 9.1. Turn ON the ignition ON for 2 seconds.
    9.2. Turn OFF the ignition for 10  seconds.
    9.3. Turn ON the ignition.
    9.4. Check for fuel leaks.