GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 420637  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. Clean all the fuel pipe and hose connections and the surrounding areas before disconnecting in order to avoid possible contamination of the fuel system.
  3. Drain the fuel tank to a level below that of the fuel filler tube. Refer to Fuel Tank Draining .
  4. Remove the fuel filler tube. Refer to Filler Tube Replacement .
  5. Caution: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  6. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  7. Disconnect the fuel fill hose from the fuel fill tube.
  8. Remove the fuel fill hose and the hose clamps (3).
  9. Cap the fuel tank opening.

Installation Procedure


    Object Number: 420637  Size: SH
  1. Uncap the fuel tank opening.
  2. Install the fuel fill hose and the hose clamps (3) on to the filler tube.
  3. Install the fuel fill tube. Refer to Filler Tube Replacement .
  4. Lower the vehicle.
  5. Install the fuel filler cap.
  6. Connect the negative battery cable.