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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 949 (HYBRID/EV COOLING SYSTEM)REPAIR INSTRUCTIONSGENERATOR CONTROL MODULE COOLANT RADIATOR REPLACEMENT
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Generator Control Module Coolant Radiator Replacement

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Generator Control Module Coolant Radiator Replacement
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Generator Control Module Coolant Radiator
GM1970781Courtesy of GENERAL MOTORS COMPANY
Generator Control Module Coolant Radiator Replacement

Callout Component Name

Preliminary Procedures

  1. Drain the cooling system. Refer to Generator Control Module Cooling System Draining and Filling .
  2. Remove radiator air upper baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement (Yukon) , Radiator Air Upper Baffle and Deflector Replacement (Cadillac) .
  3. Remove the condenser. Refer to Air Conditioning Condenser Replacement (Gas) .
  4. Remove transmission cooler pipes. Refer to Transmission Fluid Cooler Pipe Replacement .
  5. Remove the generator control module coolant outlet hose. Refer to Generator Control Module Coolant Outlet Hose Replacement .
  6. Remove the generator control coolant pump hose (pump to radiator). Refer to Generator Control Module Coolant Pump Hose Replacement (Pump to Radiator) , Generator Control Module Coolant Pump Hose Replacement (Pump to Pump) .
1 Radiator Tab (Qty: 2)
Procedure 
Push tabs in and lift up on generator control module coolant radiator.
2 Generator Control Module Coolant Radiator.
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.