GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Express 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Fuel Hose/Pipes Replacement - Filter to Engine

Removal Procedure

    Object Number: 1205228 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. Disconnect the fuel feed and return pipes (3) from the engine compartment fuel pipes (4).
  4. Remove the fuel pipes from the bellhousing stud retainer clip (2).
  5. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Disconnect the fuel feed pipe (5) at the fuel filter.
  7. Disconnect the chassis fuel return pipe (4) at the rear fuel return pipe (3).
  8. Remove the fuel pipe retaining clips (1). Note the location of the retaining clips for installation.
  9. Remove the fuel feed and return pipes (2).

Installation Procedure
  1. Position the fuel feed and return pipes (2) in the vehicle.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the fuel pipe retaining clips (1).

    3. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  3. Connect the chassis fuel return pipe (4) to the rear fuel return pipe (3).
  4. Connect the fuel feed pipe (5) to the fuel filter.
  5. Lower the vehicle.

    6. Object Number: 1205228 Size: SH
  6. Connect the fuel feed and return pipes (3) to the engine compartment fuel pipes (4).

    7. Ensure the O-rings are in place

    Tighten
    Tighten the fuel pipe fittings to 27 N·m (20 lb ft) using a backup wrench.

  7. Install the fuel pipes to the retainer clip (2).

    8. Tighten
    Tighten the fuel pipe retainer clip nut to 28 N·m (21 lb ft).

  8. Tighten the fuel filler cap.
  9. Connect the negative battery cable.
  10. Inspect for leaks:
    11. 10.1. Turn ON the ignition for 2 seconds.
    10.2. Turn OFF the ignition for 10 seconds.
    10.3. Turn ON the ignition.
    10.4. Inspect for fuel leaks.
  11. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.