GM Service Manual Online
For 1990-2009 cars only

Filler Tube Replacement Passenger/Cargo

Removal Procedure


    Object Number: 34269  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 Fuel Pressure Relief .
  3. Raise the vehicle.
  4. Wipe the vent hose connection at the fuel tank and then disconnect the fuel filler tube and clamp.
  5. Wipe the fuel filler tube connection at the fuel tank and then disconnect the fuel filler tube and clamp (2).
  6. Remove the fuel tube attaching screws (2) and the fuel filler tube (3) from the fuel tank (1).

Installation Procedure


    Object Number: 34269  Size: SH

    Important: The fuel tank filler neck clamps must be properly positioned and aligned. Otherwise, the filler neck may become disconnected from the fuel tank.

  1. Install the fuel filler tube and the fuel filler tube attaching screws.
  2. Connect the fuel filler vent hose and clamp.
  3. Connect the fuel filler tube, hose and clamp (2).
  4. Reinstall the fuel tank filler cap.
  5. Reconnect the negative battery cable.
  6. Inspect for leaks.

Filler Tube Replacement Commercial/RV/Cutaway Van

Removal Procedure


    Object Number: 34268  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 Fuel Pressure Relief .
  3. Raise the vehicle.
  4. Wipe the vent hose connection at the fuel tank (1) and then disconnect the fuel filler tube and clamp (2).
  5. Wipe the fuel filler tube connection at the fuel tank and then disconnect the fuel filler tube and clamp.
  6. Remove the fuel tube attaching screws (2) and the fuel filler tube.

Installation Procedure


    Object Number: 34268  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Important: The fuel tank filler neck clamps must be properly positioned and aligned. Otherwise, the filler neck may become disconnected from the fuel tank.

  1. Install the fuel filler tube and the fuel filler tube attaching screws (2).
  2. Tighten
    Tighten the attaching screws to 2.75 N·m (24.3 lb in).

  3. Connect the fuel filler vent hose and clamp.
  4. Connect the fuel filler tube hose and clamp (3).
  5. Reinstall the fuel tank filler cap.
  6. Reconnect the negative battery cable.
  7. Check for leaks.