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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 536 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.3L - INTRODUCTION)REPAIR INSTRUCTIONSFUEL HOSE/PIPES REPLACEMENT - CHASSISREMOVAL 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 car, the 2009 GMC Savana and 2009 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Fuel Tank & EVAP Chassis Quick Connect Fittings
    GM1938257Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH-48027)  or Fuel Pressure Relief (Without CH-48027) .
  2. Disconnect the chassis fuel feed pipe quick connect fitting from the engine compartment fuel pipe. Refer to Metal Collar Quick Connect Fitting Service .
  3. Disconnect the engine evaporative emission (EVAP) pipe quick connect fitting from the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Cap the fuel and EVAP pipe connections in order to prevent fuel/EVAP system contamination.
  5. Remove the fuel feed and EVAP pipe bracket nut from the bellhousing stud and remove the bracket from the stud.
  6. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Disconnect the chassis fuel feed pipe quick connect fitting (2) from the fuel tank fuel feed pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  8. Disconnect the EVAP canister purge pipe quick connect fitting (1) from the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
    9. Fig 2: View Of Fuel/EVAP Pipe Assembly Bolt
    GM1945611Courtesy of GENERAL MOTORS CORP.
  9. Remove the fuel/EVAP pipe assembly bolt (1).
    10. Fig 3: Identifying Fuel/EVAP Pipe Assembly
    GM1945612Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel/EVAP pipe assembly (1) from the vehicle.
  11. Remove the fuel pipe from the fuel/EVAP pipe assembly.
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.