GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Note: Clean the fuel connections and surrounding areas prior to disconnecting the lines in order to avoid possible contamination.


    Object Number: 300314  Size: SH
  1. Remove the fuel fill cap.

  2. Object Number: 853731  Size: SH
  3. Remove the fuel tank filler housing to body TORX® screws (1) and retainer (2).

  4. Object Number: 1704585  Size: SH
  5. Remove the spare tire stowage lock cylinder, if necessary.
  6. Remove the spare tire, if necessary.
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  8. Object Number: 1704586  Size: SH
  9. Remove the rear axle vent hose clip (1) from the fill pipe.
  10. If necessary, remove the air suspension hose at the fill pipe.

  11. Object Number: 1704587  Size: SH
  12. Remove the chassis wiring harness ground bolt (2).
  13. Remove the left rear lamp ground wire (4) and fill pipe ground strap (5) from the frame.

  14. Object Number: 1964118  Size: SH
  15. Loosen the fuel fill hose clamp (1).
  16. Remove the fuel fill hose from the fuel tank.
  17. Loosen the fuel fill pipe vent hose clamp (2) at the fuel tank vent valve.

  18. Object Number: 1964116  Size: SH
  19. Disconnect the fuel fill pipe vent line quick connect fitting (3) from the evaporative emission (EVAP) canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service.
  20. Remove the fuel fill pipe bracket bolts (2, 4).
  21. Cap the fuel tank opening and EVAP vent line in order to prevent fuel/EVAP system contamination.
  22. Remove the fuel fill pipe assembly.
  23. If replacing any serviceable part of the fill pipe assembly proceed to the disassemble procedure, otherwise proceed to the installation procedure.

Disassemble


Object Number: 1707674  Size: SH
    • Fuel tank filler vent hose (1)
    • Fuel tank fill pipe housing bolts (2)
    • Fuel tank fill pipe housing (3)
    • Fuel tank fill hose (4)
    • Fuel tank fill pipe clip (5)
    • Fuel tank fill hose clamp (6)
    • Fuel tank fill hose (7)
    • Fuel tank fill hose clamp (8)
    • Evaporative emission hose (9)
    • Evaporative emission hose clamp (10)

Assemble


Object Number: 1707674  Size: SH

Caution: Refer to Fastener Caution in the Preface section.

    • Evaporative emission hose clamp (10)

Tighten
Tighten the clamp to 2.5 N·m (22 lb in).

    • Evaporative emission hose (9)
    • Fuel tank fill hose clamp (8)

Tighten
Tighten the clamp to 2.5 N·m (22 lb in).

    • Fuel tank fill hose (7)
    • Fuel tank fill hose clamp (6)

Tighten
Tighten the clamp to 2.5 N·m (22 lb in).

    • Fuel tank fill pipe clip (5)
    • Fuel tank fill hose (4)
    • Fuel tank fill pipe housing (3)
    • Fuel tank fill pipe housing bolts (2)

Tighten
Tighten the bolts to 2.3 N·m (20 lb in).

    • Fuel tank filler vent hose (1)

Installation Procedure


    Object Number: 1964116  Size: SH
  1. Remove the caps from the fuel tank opening and the EVAP vent line.
  2. Install the fuel fill hose to the fuel tank. Ensure that the notch in the hose is aligned with the notch on the fuel tank.
  3. Install the fuel fill pipe vent hose to the fuel tank vent valve.
  4. Install the tab (1) on the fuel fill pipe to the notch in the frame.
  5. Install the fuel fill pipe bracket bolts (2, 4).
  6. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  7. Connect the fuel fill pipe vent line quick connect fitting (3) to the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service.

  8. Object Number: 1964118  Size: SH
  9. Tighten the fuel fill hose clamp (1).
  10. Tighten
    Tighten the clamp to 2.5 N·m (22 lb in).

  11. Tighten the fuel fill pipe vent hose clamp (2) at the fuel tank vent valve.
  12. Tighten
    Tighten the clamp to 2.5 N·m (22 lb in).


    Object Number: 1704587  Size: SH
  13. Position the fill pipe ground strap (5) to the left rear lamp ground wire (4).
  14. Install the rear lamp ground wire (4) and ground strap (5) to the frame. Insert the lamp ground wire anti-rotation tab into the hole in the frame.
  15. Install the chassis wiring harness ground bolt.
  16. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1704586  Size: SH
  17. If necessary, install the air suspension hose at the fill pipe.
  18. Install the rear axle vent hose clip (1) to the fill pipe.
  19. Lower the vehicle.

  20. Object Number: 853731  Size: SH
  21. Install the fuel tank filler housing to body TORX® screws (1) and retainer (2).
  22. Tighten
    Tighten the screws to 2.3 N·m (20 lb in).


    Object Number: 1704585  Size: SH
  23. Install the spare tire, if necessary.
  24. Install the spare tire stowage lock cylinder, if necessary.

  25. Object Number: 300314  Size: SH
  26. Install the fuel fill cap.