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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1985 (ENGINE CONTROLS AND FUEL - 3.6L (LY7) - INTRODUCTION)REPAIR INSTRUCTIONSFUEL LINE REPLACEMENT - CHASSISINSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Chassis Fuel Feed Line
    GM1886171Courtesy of GENERAL MOTORS CORP.
  1. Install the chassis fuel feed line (1) to the retainers.
    2. Fig 2: EVAP Line Bundle
    GM1886168Courtesy of GENERAL MOTORS CORP.
  2. Install the brake, fuel and EVAP line bundle (1) to the vehicle.
    3. Fig 3: EVAP Line Retainers
    GM1885596Courtesy of GENERAL MOTORS CORP.
  3. Install the brake, fuel and EVAP line retainers (1) to the underbody and side rail.
  4. Install the brake, fuel and EVAP line retainers (2) to the underbody studs.
  5. Install the brake line retainers (3) to the underbody side rail.
    6. Fig 4: Chassis Fuel Feed Line Quick Connect Fitting
    GM1886167Courtesy of GENERAL MOTORS CORP.
  6. Connect the chassis fuel feed line quick connect fitting (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  7. Connect the chassis EVAP line quick connect fitting (1) to the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  9. Use the following procedure in order to inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
  10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (LY7) .
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.