GM Service Manual Online
For 1990-2009 cars only

Filler Tube Replacement Pickup

Removal Procedure

    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 Fuel Pressure Relief Procedure .
  3. Raise the vehicle.

  4. Object Number: 420631  Size: SH
  5. Wipe the vent hose connection at the fuel tank and then disconnect the vent tube and clamp (1).
  6. Wipe the fuel filler tube connection at the fuel tank and then disconnect the fuel filler tube and clamp (1).
  7. Disconnect the filler tube ground strap (2).

  8. Object Number: 421941  Size: SH
  9. Remove the fuel tube attaching screws and the fuel filler tube.

Installation Procedure


    Object Number: 421941  Size: SH
  1. Install the fuel filler tube and the fuel filler tube attaching screws.

  2. Object Number: 420631  Size: SH
  3. Connect the fuel filler vent hose and clamp (1).
  4. Connect the fuel filler tube hose and clamp.
  5. Connect the filler tube ground strap (2).
  6. Reinstall the fuel tank filler cap.

  7. Reconnect the negative battery cable.
  8. Check for leaks.

Filler Tube Replacement 4DR. Utility

Removal Procedure

    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 Fuel Pressure Relief Procedure .
  3. Raise the vehicle.

  4. Object Number: 420632  Size: SH
  5. Wipe the vent hose connection at the fuel tank and then disconnect the vent tube and clamp (2).
  6. Wipe the fuel filler tube connection at the fuel tank and then disconnect the fuel filler tube and clamp (2).
  7. Disconnect the filler tube ground strap (1).

  8. Object Number: 421940  Size: SH
  9. Remove the fuel tube attaching screws and the fuel filler tube.

Installation Procedure


    Object Number: 421940  Size: SH
  1. Install the fuel filler tube and the fuel filler tube attaching screws.

  2. Object Number: 420632  Size: SH
  3. Connect the fuel filler vent hose and clamp (2).
  4. Connect the fuel filler tube hose and clamp (2).
  5. Connect the filler tube ground strap (1).
  6. Reinstall the fuel tank filler cap.

  7. Reconnect the negative battery cable.
  8. Check for leaks.

Filler Tube Replacement 2DR. Utility

Removal Procedure

    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 Fuel Pressure Relief Procedure .
  3. Raise the vehicle.

  4. Object Number: 420633  Size: SH
  5. Wipe the vent hose connection at the fuel tank and then disconnect the vent tube and clamp (2).
  6. Wipe the fuel filler tube connection at the fuel tank and then disconnect the fuel filler tube and clamp (2).
  7. Disconnect the filler tube ground strap (1).

  8. Object Number: 421938  Size: SH
  9. Remove the fuel tube attaching screws and the fuel filler tube.

Installation Procedure


    Object Number: 421938  Size: SH
  1. Install the fuel filler tube and the fuel filler tube attaching screws.

  2. Object Number: 420633  Size: SH
  3. Connect the fuel filler vent hose and clamp (2).
  4. Connect the fuel filler tube hose and clamp (2).
  5. Connect the filler tube ground strap (1).
  6. Reinstall the fuel tank filler cap.

  7. Reconnect the negative battery cable.
  8. Check for leaks.