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Home >> GMC >> 2001 >> C3500 HD 8.1 G, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L - Repair Instructions >> Repair Instructions >> Filler Tube Replacement (Utility) >> Installation Procedure

Installation Procedure

    Fig 1: Fuel Tank Fill And Vent Hoses
    GM569669Courtesy of GENERAL MOTORS COMPANY
  1. Uncap the fuel tank.

    Refer to FASTENER NOTICE in Cautions and Notices.

  2. Install the fuel fill hose assembly to the fuel tank.

    Tighten 

    Tighten the fuel fill pipe clamp (2), to 2.5 N.m (22 lb in)

    3. Fig 2: Fuel Vent Hose
    GM569704Courtesy of GENERAL MOTORS COMPANY
  3. Connect the fuel fill vent hose (3) to the fill tube.

    Tighten 

    Tighten the vent hose clamp (2), to 2.5 N.m (22 lb in)

    4. Fig 3: Fuel Fill Pipe Ground Strap
    GM561111Courtesy of GENERAL MOTORS COMPANY
  4. Connect the fuel fill pipe ground strap.

    Tighten 

    Tighten the fuel fill pipe ground strap bolt to 9 N.m (80 lb in)

  5. Connect the rear axle vent hose to the retainer on the fuel fill pipe.
  6. Lower the vehicle.
    7. Fig 4: Identifying Fuel Filler Components
    GM300318Courtesy of GENERAL MOTORS COMPANY
  7. Install the fuel fill pipe housing to the fuel fill pipe bolts.

    Tighten 

    Tighten the fuel fill pipe housing to fuel fill pipe bolts to 2.3 N.m (20 lb in)

    8. Fig 5: View Of Filler Door And Tethered Fuel Filler Cap
    GM300314Courtesy of GENERAL MOTORS COMPANY
  8. Refill the fuel system.
  9. Install the fuel filler cap.
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