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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 691 (ENGINE COOLING SYSTEM (1 OF 2))REPAIR INSTRUCTIONSRADIATOR HOSE OUTLET - STARTER/GENERATOR CONTROL MODULE REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Removal Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Removal Procedure
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of SGCM Radiator Outlet Hose & SGCM Radiator
    GM1206689Courtesy of GENERAL MOTORS CORP.
  1. Drain the starter/generator control module (SGCM) cooling system. Refer to Draining and Filling Cooling System (w/RPO HP2)  or Draining and Filling Cooling System (w/o RPO HP2) .
  2. Remove the SGCM radiator outlet hose (5) from the SGCM radiator (2). Refer to Coolant Pipe Quick Connect Fitting - Starter/Generator Control Module .
  3. Remove the SGCM radiator outlet hose (5) from the clip (4).
    4. Fig 2: View Of Coolant Pump Inlet Hose, Clamp & Pump
    GM1206695Courtesy of GENERAL MOTORS CORP.
  4. Remove the SGCM radiator outlet hose from the clip (3).
    5. Fig 3: View OF SGCM, Radiator Outlet Hose & Clamp
    GM1206682Courtesy of GENERAL MOTORS CORP.
  5. Remove the SGCM radiator outlet hose from the clip.
  6. Reposition the SGCM radiator outlet hose clamp (2) from the SGCM (3).
  7. Remove the SGCM radiator outlet hose (1) from the SGCM (3).
  8. Remove the SGCM radiator outlet hose (1) from the vehicle.
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:

  • • 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.