GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Filler Hose Replacement Pickup

Removal Procedure


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

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

  6. Object Number: 1238144  Size: SH
  7. Remove the fuel tank ground strap bolt (1).
  8. Remove the chassis harness ground strap (2) and fuel tank ground strap (3).

  9. Object Number: 816707  Size: SH
  10. Remove the rear axle vent hose from the clip on the fuel fill pipe bracket.

  11. Object Number: 1378752  Size: SH
  12. Loosen the fuel tank vent hose and fill hose clamps (1, 2).
  13. Remove the vent hose from the tank.
  14. Remove the fill hose from the tank and the vehicle.
  15. Cap the opening on the fuel tank in order to prevent possible fuel system contamination.

Installation Procedure


    Object Number: 1378752  Size: SH
  1. Remove the cap from the opening on the fuel tank.
  2. Install the fill hose to the vehicle and tank.
  3. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 816707  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 chassis harness ground strap (2) and fuel tank ground strap (3).
  10. Install the ground strap anti-rotation tab into the frame hole.
  11. Install the fuel tank ground strap 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).

Fuel Tank Filler Hose Replacement Cab/Chassis

Removal Procedure


    Object Number: 1228187  Size: SH
  1. Relieve the fuel system pressure.
  2. Disconnect the fuel feed and pressure balance rear lines. Refer to Metal Collar Quick Connect Fitting Service .

  3. Object Number: 1228174  Size: SH
  4. Loosen the fuel fill and vent hose clamps (1, 2) at the tank.
  5. Remove the fuel fill and vent hoses from the tank.
  6. Cap the fuel and vent holes in the fuel tank in order to prevent possible fuel system contamination.

Installation Procedure


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

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


    Object Number: 1228187  Size: SH
  6. Connect the fuel feed and pressure balance rear lines. Refer to Metal Collar Quick Connect Fitting Service .