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)Β  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery)Β .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 6.6L.
  3. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 6.6L.
  4. Remove the upper fan shroud. Refer to Fan Shroud Replacement - Upper (W/O M74) or Fan Shroud Replacement - Upper (W/M74) or Fan Shroud Replacement - Upper (W/HP2) in Engine Cooling.
  5. Remove the outlet heater hose bracket bolt (2).
  6. Fig 1: View Of Heater Outlet Nut & Bolt
    GM665386Courtesy of GENERAL MOTORS CORP.
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.