GM Service Manual Online
For 1990-2009 cars only

Fuel Hose/Pipes Assembly Replacement Passenger/Cargo Van Fuel Tank Pipes

Removal Procedure


    Object Number: 601669  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. Drain the fuel tank. Refer to Fuel Tank Draining .
  4. Remove the fuel tank. Refer to Fuel Tank Replacement .
  5. Remove the fuel feed and return pipes (6) from the fuel sender (1), the fuel filter, and the retaining clips.

Installation Procedure


    Object Number: 601669  Size: SH
  1. Install the fuel feed and return pipes (6) to the fuel sender (1), the fuel filter, and the retaining clips.
  2. Install the fuel tank. Refer to Fuel Tank Replacement .
  3. Lower the vehicle.
  4. Refill the fuel tank.
  5. Tighten the fuel filler cap.
  6. Connect the negative battery cable.
  7. Inspect for leaks:
  8. 7.1. Turn ON the ignition for 2 seconds.
    7.2. Turn OFF the ignition for 10 seconds.
    7.3. Turn ON the ignition .
    7.4. Inspect for fuel leaks.

Fuel Hose/Pipes Assembly Replacement Cutaway Van Rear Tank Fuel Tank Pipe

Removal Procedure


    Object Number: 601683  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. Drain the fuel tank. Refer to Fuel Tank Draining .
  4. Remove the fuel tank. Refer to Fuel Tank Replacement .
  5. Remove the fuel feed and return pipes (4) from the fuel sender (2).

Installation Procedure


    Object Number: 601683  Size: SH
  1. Install the fuel feed and return pipes (4) to the fuel sender (2).
  2. Install the fuel tank. Refer to Fuel Tank Replacement .
  3. Lower the vehicle.
  4. Refill the fuel tank.
  5. Tighten the fuel filler cap.
  6. Connect the negative battery cable.
  7. Inspect for leaks:
  8. 7.1. Turn ON the ignition for 2 seconds.
    7.2. Turn OFF the ignition for 10 seconds.
    7.3. Turn ON the ignition.
    7.4. Inspect for fuel leaks.

Fuel Hose/Pipes Assembly Replacement Cutaway Van Side Tank

Removal Procedure


    Object Number: 601679  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. Remove the fuel filler cap.
  4. Drain the fuel below the level of the fuel tank fill hose. Refer to Fuel Tank Draining .
  5. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Loosen the fuel fill hose clamps (2, 3).
  7. Remove the fuel fill hose (6).
  8. Cap the open end of the fuel tank.

Installation Procedure


    Object Number: 601679  Size: SH
  1. Uncap the fuel tank.
  2. 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.

  3. Install the fuel fill hose (6).
  4. Tighten
    Tighten the fuel fill hose clamps (2, 3) to 2.75 N·m (24 lb in).

  5. Lower the vehicle.
  6. Refill the fuel tank.
  7. Install the fuel filler cap.
  8. Connect the negative battery cable.