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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.3L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFILLER TUBE REPLACEMENT (WITHOUT E26)REMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Fuel Tank Fill Pipe Housing Bolts
    GM1943754Courtesy of GENERAL MOTORS CORP.
  1. Clean all the fuel pipe and hose connections and the surrounding areas before disconnecting in order to avoid contamination of the fuel system.
  2. Drain the fuel tank as necessary. Refer to Fuel Tank Draining .
  3. Remove the 3 fuel tank fill pipe to housing bolts (1).
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the fuel fill tube ground strap bolt.
    6. Fig 2: Identifying Quick Connect Fitting, Hose Clamp & Pipe
    GM1944474Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the fuel fill pipe evaporative emission (EVAP) pipe quick connect fitting (1) from the fuel tank EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  7. Loosen the fuel fill pipe hose clamp (3) at the fuel tank.
  8. Remove the fuel fill pipe (2) from the fuel tank.
  9. Cap the fuel tank inlet in order to prevent fuel system contamination.
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.