GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order to prevent damage to the O-ring sealing surface. Use a clean shop towel in order to wipe off the male tube ends. Inspect all the connections for dirt and burrs. Clean or replace the components and assemblies as required.

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Disconnect the fuel feed pipe quick-connect fitting at the engine compartment. Refer to Metal Collar Quick Connect Fitting Service .
  3. Disconnect the fuel return pipe quick-connect fitting at the engine compartment. Refer to Metal Collar Quick Connect Fitting Service .
  4. Plug the fuel lines to prevent leakage.
  5. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Disconnect the fuel feed pipe quick-connect fitting at the in-pipe fuel filter. Refer to Metal Collar Quick Connect Fitting Service .
  7. Disconnect the fuel return pipe quick-connect fitting at the fuel tank. Refer to Metal Collar Quick Connect Fitting Service .
  8. Plug the fuel lines to prevent leakage.
  9. Remove the exhaust heat shield.

  10. Object Number: 102056  Size: SH
  11. Remove the fuel pipe mounting bolts from the body clips.
  12. In the repairable areas, cut a piece of fuel hose 100 mm (4 in) longer than portion of the line removed. If more than a 152 mm (6 in) length of pipe is removed, use a combination of steel pipe and hose so that hose lengths will not be more than 254 mm (10 in), including hose overlap on fuel line.


    Object Number: 102255  Size: SH
  13. Remove the fuel pipes from the body clips.

  14. Object Number: 49888  Size: SH
  15. Remove the fuel pipes (1) to be serviced.

Installation Procedure


    Object Number: 49888  Size: SH
  1. Install the fuel pipe (1) and hose hardware.

  2. Object Number: 102255  Size: SH
  3. Position the fuel pipe in the body clips.

  4. Object Number: 102056  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.

  5. Install the fuel pipe mounting bolts into the body clips.
  6. Tighten
    Tighten the bolts to 6.0 N·m (53 lb in ).

  7. Install the exhaust heat shield
  8. Tighten
    Tighten the exhaust shield bolt to 2.0 N·m (18 lb in). Tighten the exhaust shield nuts to 1.0 N·m (9 lb in).

  9. Remove the caps on the lines.
  10. Connect the fuel feed pipe quick-connect fitting at the in-pipe fuel filter. Refer to Metal Collar Quick Connect Fitting Service .
  11. Connect the fuel return pipe quick-connect fitting at the fuel tank. Refer to Metal Collar Quick Connect Fitting Service .
  12. Lower the vehicle.
  13. Remove the caps on the fuel lines.
  14. Connect the fuel feed pipe quick-connect fitting at the engine compartment Refer to Metal Collar Quick Connect Fitting Service .
  15. Connect the fuel return pipe quick-connect fitting at the engine compartment Refer to Metal Collar Quick Connect Fitting Service .
  16. Reinstall the fuel filler cap.
  17. 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.

  18. Reconnect the negative battery cable.
  19. Inspect for fuel leaks.
  20. 14.1. Turn the ignition switch ON for 2 seconds.
    14.2. Turn the ignition switch OFF for 10 seconds.
    14.3. Turn the ignition switch ON.
    14.4. Check for fuel leaks.