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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 996 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L, 6.2L, Or 7.0L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Tank Filler Pipe Replacement (15 Ext/Crew Cab w/26 gal Tank) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Fill Pipe & Fuel Fill Pipe Recirculation Line Quick Connect Fitting (6 ft. 5 Inch Bed)
    GM1853549Courtesy of GENERAL MOTORS CORP.
  1. If equipped with 6 ft 5 in. bed, perform the following steps:
  2. Remove the cap from the opening on the fuel tank.
  3. Position the fuel tank fill pipe.
    4. NOTE: Refer to Fastener Notice .
  4. Tighten the fuel tank fill pipe clamp (2) at the fuel tank.

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

  5. Connect the fuel fill pipe recirculation line to the fuel tank EVAP line quick connect fitting (1). Refer to Plastic Collar Quick Connect Fitting Service .
    6. Fig 2: Locating Fill Pipe & Fuel Fill Pipe Recirculation Line Quick Connect Fitting (5 ft. 8 Inch Bed)
    GM1852270Courtesy of GENERAL MOTORS CORP.
  6. If equipped with 5 ft 8 in. bed, perform the following steps:
  7. Remove the cap from the opening on the fuel tank.
  8. Position the fuel tank fill pipe.
  9. Tighten the fuel tank fill pipe clamp (1) at the fuel tank.

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

  10. Connect the fuel fill pipe recirculation line to the fuel tank EVAP line quick connect fitting (2). Refer to Plastic Collar Quick Connect Fitting Service .
    11. Fig 3: Rear Axle Vent Hose
    GM1852229Courtesy of GENERAL MOTORS CORP.
  11. Install the rear axle vent hose to the clip on the fuel fill pipe bracket.
  12. Close the axle vent hose clip.
    13. Fig 4: Locating Fuel Tank Fill Pipe Ground Wire & Bolt
    GM1852269Courtesy of GENERAL MOTORS CORP.
  13. Position the fuel tank fill pipe ground wire to the frame bracket.
  14. Install the fuel tank fill pipe ground wire anti-rotation tab into the frame hole.
  15. Install the fuel tank fill pipe ground wire bolt.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

  16. Lower the vehicle.
    17. Fig 5: Identifying Fuel Filler Components
    GM300318Courtesy of GENERAL MOTORS CORP.
  17. Install the fuel tank filler housing.
  18. Install the fuel tank filler housing to fuel tank fill pipe bolts.

    Tighten:  Tighten the screws to 2.3 N.m (20 lb in).

    19. Fig 6: View Of Fuel Tank Filler Housing To Body Screws & Retainer
    GM853731Courtesy of GENERAL MOTORS CORP.
  19. Install the fuel tank filler housing to body TORX® screws (1) and pushpin retainer (2).

    Tighten:  Tighten the screws to 2.3 N.m (20 lb in).

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