GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Clean all the fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible contamination of the fuel system.


    Object Number: 856643  Size: SH
  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
  2. Disconnect the fuel feed and return pipes (1) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  3. Cap the fuel rail pipes.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the fuel pipe bracket nut (2).
  6. Remove the fuel pipe bracket from the bellhousing stud.

  7. Object Number: 899733  Size: SH
  8. Remove the fuel lines from the retaining clips (1) on the transmission.

  9. Object Number: 899732  Size: SH
  10. Disconnect the fuel feed and return lines from the rear fuel feed and return lines. Refer to Plastic Collar Quick Connect Fitting Service .
  11. Disconnect the fuel line from the fuel filter. Refer to Plastic Collar Quick Connect Fitting Service .
  12. Cap the rear fuel lines.
  13. Remove the fuel line bundle.
  14. Important: Note the position of the fuel bundle clips prior to disassembly.

  15. Remove the fuel line bundle retaining clips.
  16. Remove the fuel feed, return, and/or evaporative emission (EVAP) pipe to be replaced.

Installation Procedure


    Object Number: 899732  Size: SH
  1. Install the fuel feed, return, and/or EVAP pipe that was to be replaced.
  2. Install the fuel line bundle retaining clips.
  3. Install the fuel line bundle.
  4. Cap the rear fuel lines.
  5. Connect the fuel line to the fuel filter. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Connect the fuel feed and return lines to the rear fuel feed and return lines. Refer to Plastic Collar Quick Connect Fitting Service .

  7. Object Number: 899733  Size: SH
  8. Install the fuel lines to the retaining clips (1) on the transmission.

  9. Object Number: 856643  Size: SH
  10. Install the fuel pipe bracket to the bellhousing stud.
  11. 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.

  12. Install the fuel pipe bracket nut (2).
  13. Tighten
    Tighten the nut to 10 N·m (89 lb in).

  14. Lower the vehicle.
  15. Remove the caps from the fuel rail pipes.
  16. Connect the fuel feed and return pipes (1) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  17. Install the fuel fill cap.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  19. Use the following procedure in order to inspect for leaks:
  20. 15.1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    15.2. Turn the ignition OFF for 10 seconds.
    15.3. Turn the ignition ON, with the engine OFF.
    15.4. Inspect for fuel leaks.