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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2072 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL INJECTION FUEL FEED MANIFOLD REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Hose Clamps
    GM1872010Courtesy of GENERAL MOTORS CORP.
  1. Remove the generator. Refer to Generator Replacement (V6) or Generator Replacement (V8) or Generator Replacement (6.6L) .
  2. Remove the fuel filter/heater element housing to fuel feed block fuel hose. Refer to Fuel Hose Replacement - Fuel Filter/Heater Element Housing to Fuel Feed Block .
  3. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement .
  4. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (LU3) or Water Outlet Tube Replacement (LMM) .
  5. Reposition the fuel hose clamp (2) at the fuel injection fuel feed manifold.
    6. Fig 2: View Of Fuel Filter Hoses & Clamps
    GM1872011Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel hose (4) from the fuel injection fuel feed manifold.
    7. Fig 3: View Of Fuel Return Hose Clamps
    GM1872348Courtesy of GENERAL MOTORS CORP.
  7. Reposition the fuel return hose clamp (1) at the fuel injection fuel feed manifold.
    8. Fig 4: View Of Fuel Pipe Clip Bolt & Fuel Injector Fuel Feed Pipe
    GM1872805Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel pipe clip bolt (1) and clip.
  9. Disconnect the fuel injector fuel feed pipe (2) from the fuel injection fuel feed manifold.
    10. Fig 5: View Of Fuel Feed Manifold Pipes
    GM1872807Courtesy of GENERAL MOTORS CORP.
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.