GM Service Manual Online
For 1990-2009 cars only

Filler Tube Replacement Pickup

Removal Procedure


    Object Number: 853731  Size: SH
  1. Remove the fuel tank filler housing to body screws (1) and retainer (2).
  2. If necessary, partially drain the fuel tank. Refer to Fuel Tank Draining .

  3. Object Number: 300318  Size: SH
  4. Remove the fuel tank filler housing to fuel tank fill pipe screws.
  5. Remove the fuel tank filler housing.
  6. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .

  7. Object Number: 1238144  Size: SH
  8. Remove the fuel tank fill pipe ground wire bolt (1).
  9. Remove the fuel tank fill pipe ground wire (3) anti-rotation tab from the frame hole.
  10. Reposition the fuel tank fill pipe ground wire and chassis harness ground wire (2).

  11. Object Number: 1238157  Size: SH
  12. Remove the rear axle vent hose from the clip on the fuel fill pipe bracket.

  13. Object Number: 1228094  Size: SH
  14. Loosen the fuel tank fill pipe clamp (1) at the fuel tank.
  15. Disconnect the recirculation line from the sending unit. Refer to Plastic Collar Quick Connect Fitting Service .
  16. Remove the fuel tank fill pipe.
  17. Cap the opening on the fuel tank in order to prevent possible system contamination.

Installation Procedure


    Object Number: 1228094  Size: SH
  1. Remove the cap from the opening on the fuel tank.
  2. Install the fuel tank fill pipe.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Connect the recirculation line to the sending unit. Refer to Plastic Collar Quick Connect Fitting Service .
  5. Tighten the fuel tank fill pipe clamp (1) at the fuel tank.
  6. Tighten
    Tighten the clamp to 2.5 N·m (22 lb in).


    Object Number: 1238157  Size: SH
  7. Install the rear axle vent hose to the clip on the fuel fill pipe bracket.

  8. Object Number: 1238144  Size: SH
  9. Position the fuel tank fill pipe ground wire and chassis harness ground wire (2).
  10. Install the fuel tank fill pipe ground wire (3) anti-rotation tab into the frame hole.
  11. Install the fuel tank fill pipe ground wire bolt (1).
  12. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  13. Lower the vehicle.

  14. Object Number: 300318  Size: SH
  15. Install the fuel tank filler housing.
  16. Install the fuel tank filler housing to fuel tank fill pipe screws.
  17. Tighten
    Tighten the screws to 2.3 N·m (20 lb in).


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

Filler Tube Replacement Cab/Chassis - Front

Removal Procedure


    Object Number: 1228187  Size: SH
  1. If equipped with a rear auxiliary tank, disconnect the fuel and evaporative emission (EVAP) quick connect fittings. Refer to Metal Collar Quick Connect Fitting Service .
  2. Cap the fuel feed and EVAP pipes in order to prevent possible system contamination.

  3. Object Number: 1228174  Size: SH
  4. Loosen the fuel fill pipe clamp (2) at the tank.
  5. Loosen the vent pipe clamp (1) at the tank.
  6. Remove the fuel fill pipe and vent pipe from the tank.
  7. Cap the fuel and vent openings in the tank in order to prevent possible system contamination.

Installation Procedure


    Object Number: 1228174  Size: SH
  1. Remove the caps from the fuel and vent openings in the tank.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the fuel fill pipe and vent pipe to the tank.
  4. Tighten the vent pipe clamp (1) at the tank.
  5. Tighten the fuel fill pipe clamp (2) at the tank.
  6. Tighten
    Tighten the clamps to 2.5 N·m (22 lb in).


    Object Number: 1228187  Size: SH
  7. Remove the caps from the fuel feed and EVAP pipes.
  8. If equipped with a rear auxiliary tank, connect the fuel and EVAP quick connect fittings. Refer to Metal Collar Quick Connect Fitting Service .

Filler Tube Replacement Cab/Chassis - Rear

Removal Procedure


    Object Number: 1228175  Size: SH
  1. Loosen the fuel fill pipe hose clamp (2) at the tank.
  2. Loosen the fuel vent pipe hose clamp (1) at the tank.
  3. Remove the fuel fill and vent hoses from the tank.

Installation Procedure


    Object Number: 1228175  Size: SH
  1. Install the fuel fill and vent hoses to the tank.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Tighten the fuel vent pipe hose clamp (1) at the tank.
  4. Tighten the fuel fill pipe hose clamp (2) at the tank.
  5. Tighten
    Tighten the clamps to 2.5 N·m (22 lb in).