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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 INSTRUCTIONSGLOW PLUG CONTROL MODULE 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 Positive Battery Cable & Glow Plug Control Module Electrical Connector
    GM1873210Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) or Battery Negative Cable Disconnection and Connection (Dual Batteries) or Battery Negative Cable Disconnection and Connection (Auxiliary Battery) .
  2. Disconnect the positive battery cable (1) from the glow plug control module.
  3. Disconnect the engine wiring harness electrical connector (2) from the glow plug control module.
    4. Fig 2: View Of Glow Plug Control Module & Bolts
    GM1873211Courtesy of GENERAL MOTORS CORP.
  4. Remove the glow plug control module bolts and module.
    5. Fig 3: View Of Fuel Return Pipe Clamp Bolt & Clip Bolt
    GM1872344Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel return pipe clamp bolt (1).
    6. Fig 4: View Of Glow Plug Control Module Protector & Glow Plug Control Module Bracket
    GM1873212Courtesy of GENERAL MOTORS CORP.
  6. Remove the glow plug control module protector bolts and protector (1), if required.
  7. Remove the glow plug control module bracket and bolts (2), if required.
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.