GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Controls and Fuel - Hybrid (HP2) 6.0L (LFA) 🢒 Fuel Tank Filler Pipe Replacement

Removal Procedure

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

    2. Object Number: 300318 Size: SH
  2. Remove the fuel tank filler housing to fuel tank fill pipe bolts.
  3. Remove the fuel tank filler housing.
  4. Raise and suitably support the vehicle half way. Refer to Lifting and Jacking the Vehicle.

    5. Object Number: 1852221 Size: SH
  5. Remove the fuel tank fill pipe ground wire bolt (3).
  6. Remove the fuel tank fill pipe ground wire (2) anti-rotation tab from the frame hole.
  7. Reposition the fuel tank fill pipe ground wire and chassis harness ground wire (1).

    8. Object Number: 1852229 Size: SH
  8. Open the axle vent hose clip on the fuel fill pipe bracket.
  9. Remove the rear axle vent hose from the clip.

    10. Object Number: 1852233 Size: SH
  10. Disconnect the fuel fill pipe recirculation line quick connect fitting (2) from the evaporative emission (EVAP) rear hose. Refer to Plastic Collar Quick Connect Fitting Service.
  11. Loosen the fuel tank fill pipe clamp (1) at the fuel tank.
  12. Remove the fuel tank fill pipe.
  13. Cap the opening on the fuel tank in order to prevent possible system contamination.

Installation Procedure

    Object Number: 1852233 Size: SH
  1. Remove the cap from the opening on the fuel tank.
  2. Position the fuel tank fill pipe.

    3. Caution: Refer to Fastener Caution in the Preface section.

  3. Tighten the fuel tank fill pipe clamp (1) at the fuel tank to 2.5 N·m (22 lb in).
  4. Connect the fuel fill pipe recirculation line quick connect fitting (2) to the EVAP rear hose. Refer to Plastic Collar Quick Connect Fitting Service.

    5. Object Number: 1852229 Size: SH
  5. Install the rear axle vent hose to the clip on the fuel fill pipe bracket.
  6. Close the axle vent hose clip.

    7. Object Number: 1852221 Size: SH
  7. Position the chassis harness ground wire (1) and the fuel tank fill pipe ground wire (2) to the frame bracket.
  8. Install the fuel tank fill pipe ground wire (2) anti-rotation tab into the frame hole.
  9. Install the fuel tank fill pipe ground wire bolt (3) and tighten to 9 N·m (80 lb in).
  10. Lower the vehicle.

    11. Object Number: 300318 Size: SH
  11. Install the fuel tank filler housing.
  12. Install the fuel tank filler housing to fuel tank fill pipe bolts and tighten to 2.3 N·m (20 lb in).

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