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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 407 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR HOSE REPLACEMENT - OUTLET (4.3L ENGINE)INSTALLATION 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 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the radiator outlet hose to the radiator.
    2. Fig 1: View Of Radiator Outlet Hose & Radiator (4.3L)
    GM366999Courtesy of GENERAL MOTORS CORP.
  2. Install the radiator outlet hose to the water pump.
  3. Install the radiator outlet hose to the surge tank.
    4. Fig 2: View Of Radiator Outlet Hose & Water Pump (4.3L)
    GM367001Courtesy of GENERAL MOTORS CORP.
  4. Align the hinge clip with the lip on the throttle body.

    Install the air inlet tube and resonator to the throttle body by pivoting the air inlet tube and resonator downward until the mounting stud is through the hole in the air inlet tube.

    5. Fig 3: View Of Air Cleaner Outlet Duct
    GM489176Courtesy of GENERAL MOTORS CORP.
  5. Install the resonator retaining wing nut.
  6. Connect the PCV hose to the air cleaner outlet duct.
    7. Fig 4: View Of Air Cleaner Adapter Nut
    GM489179Courtesy of GENERAL MOTORS CORP.
  7. Connect the MAF/IAT sensor assembly harness connector.
    8. Fig 5: View Of MAF/IAT Sensor Assembly Harness Connector
    GM373468Courtesy of GENERAL MOTORS CORP.
  8. Fill the cooling system. Refer to Draining and Filling Cooling System (without HP2) .
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.