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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1792 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL FEED PIPE REPLACEMENTREMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION 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 Engine Coolant Temperature Sensor Connectors
    GM1870783Courtesy of GENERAL MOTORS CORP.
  1. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (LU3) or Water Outlet Tube Replacement (LMM) .
  2. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement .
  3. Remove the generator. Refer to Generator Replacement (V6) or Generator Replacement (V8) or Generator Replacement (6.6L) .
  4. Disconnect the chassis fuel feed pipe quick connect fitting from the fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service .
  5. Disconnect the engine wiring harness electrical connectors (1) from the engine coolant temperature (ECT) sensors, and reposition the wiring out of the way.
    6. Fig 2: View Of Fuel Filter Hose Clamps
    GM1871964Courtesy of GENERAL MOTORS CORP.
  6. Reposition the fuel filter hose clamp (2) at the fuel feed pipe.
    7. Fig 3: View of Fuel Filter Hoses & Retainer
    GM1871965Courtesy of GENERAL MOTORS CORP.
  7. Remove the fuel filter hose (2) from the fuel feed pipe.
    8. Fig 4: View Of Fuel Filter Hoses & Clamps
    GM1872011Courtesy of GENERAL MOTORS CORP.
  8. Reposition the fuel hose clamp (2) at the fuel injection pump.
  9. Remove the fuel hose (1) from the injection pump and reposition the hose out of the way.
    10. Fig 5: View Of Fuel Feed Pipe Clip Nuts
    GM1872306Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel feed pipe clip nuts (1 and 2) and bolt (3).
    11. Fig 6: View Of Fuel Pipe Bracket Bolt & Fuel Feed Pipe Clip
    GM1872307Courtesy of GENERAL MOTORS CORP.
  11. Remove the fuel pipe bracket bolt (1) and fuel feed pipe clip (2).
    12. Fig 7: View Of Fuel Feed Pipe
    GM1872308Courtesy 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.