GM Service Manual Online
For 1990-2009 cars only

Fuel Hose/Pipes Assembly Replacement Rear

Removal Procedure

Tools Required

    • J 34730-1A Fuel Pressure Gauge
    • J 42960-1 Fuel Tank 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. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Clean all the fuel pipe and hose connections and the surrounding areas before disconnecting in order to avoid possible contamination of the fuel system.
  6. Remove the fuel tank. Refer to Fuel Tank Replacement .
  7. Remove the fuel feed pipe (4) and the fuel return pipe (2) from the fuel sender pipes.
  8. Remove the fuel feed and return pipes from the fuel tank.
  9. Cap the fuel pipes in order to prevent possible fuel system contamination.

Installation Procedure


    Object Number: 376978  Size: SH
  1. Remove the caps from the fuel pipes.
  2. Connect the fuel feed pipe (4) and the fuel return pipe (2) to the fuel sender pipes.
  3. Install the fuel feed and return pipes into the fuel tank clips.
  4. Install the fuel tank. Refer to Fuel Tank Replacement .
  5. Lower the vehicle.
  6. Refill the fuel tank.
  7. Connect the negative battery cable.
  8. Tighten the fuel filler cap.
  9. Inspect for leaks.
  10. 9.1. Turn the ignition switch ON for 2 seconds.
    9.2. Turn the ignition switch OFF for 10 seconds.
    9.3. Turn the ignition switch ON.
    9.4. Inspect for fuel leaks.
  11. Perform the idle learn procedure. Refer to Idle Learn .