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: 376978  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 fill limiter vent valve pipe (6) from the EVAP canister.
  6. Disconnect the EVAP purge pipe (7) from the EVAP canister.
  7. Disconnect the vent hose (5) from the EVAP canister.

  8. Object Number: 376984  Size: SH
  9. Carefully bend the bracket in order to remove the EVAP canister from the bracket.

Installation Procedure


    Object Number: 376984  Size: SH
  1. Install the EVAP canister to the bracket.

  2. Object Number: 376978  Size: SH
  3. Connect the vent hose (5) to the EVAP canister.
  4. Connect the EVAP purge pipe (7) to the EVAP canister.
  5. Connect the fill limiter vent valve pipe (6) to the EVAP canister.
  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 for 2 seconds.
    9.2. Turn OFF the ignition for 10  seconds.
    9.3. Turn ON the ignition.
    9.4. Check for fuel leaks.