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HOMESERVICE MANUALSCHEVROLET2001C3500 HD 8.1 G, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1739 (ENGINE CONTROLS - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFILLER TUBE REPLACEMENT (PICKUP)INSTALLATION PROCEDURE
2001 Chevrolet C3500 HD 8.1 G, Automatic

Installation Procedure

2001 Chevrolet C3500 HD 8.1 G, AutomaticSECTION Installation Procedure
WARNING: This page is about a different car, the 2001 GMC Sierra and 2001 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Fuel Fill Hose
    GM300178Courtesy of GENERAL MOTORS COMPANY
  1. Uncap the fuel tank.
  2. Install the fuel fill and vent pipe and hose assembly to the fuel tank.
  3. Refer to FASTENER NOTICE in Cautions and Notices.

    Align the fuel fill pipe to the fuel fill pipe housing.

    Tighten 

    Tighten the fuel fill hose clamp (4) to 2.5 N.m (22 lb in)

    4. Fig 2: Fuel Tank Ground Strap & Bolt
    GM420291Courtesy 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 3: 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 4: 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.
  10. Connect the negative battery cable.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.