2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2FACTORY OEM SERVICE PROCEDURE

Generator Control Module Coolant Outlet Hose Replacement

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Generator Control Module Coolant Outlet Hose
GM1968400Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedures

  1. Drain the cooling system. Refer to Generator Control Module Cooling System Draining and Filling .
  2. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
  3. Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
1 Generator Control Module Coolant Outlet Hose
Procedure: 
Using J 38185  reposition the generator control module coolant hose clamps.
Special Tools: 
J 38185  Hose Clamp Pliers
Factory Service Tools

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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.

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