Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal 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. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  2. Remove the wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Front End.
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct ReplacementΒ .
  4. Remove the glow plug nuts from the desired glow plug(s).
  5. Remove the harness from the desired glow plug(s) (1).
  6. Fig 1: Right Side Engine Harness At Glow Plug
    GM788839Courtesy of GENERAL MOTORS CORP.
  7. Remove the harness from the desired glow plug(s).
    IMPORTANT: On the Federal Emissions equipped vehicle, there is a buss bar connecting the glow plugs on each bank of the engine.
  8. Remove the desired glow plug(s).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.