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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 PUMP REPLACEMENT (LEFT)
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Generator Control Module Coolant Pump Replacement (Left)

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Generator Control Module Coolant Pump Replacement (Left)
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: Identifying Generator Control Module Left Coolant Pump
GM1966995Courtesy of GENERAL MOTORS COMPANY
Generator Control Module Coolant Pump Replacement (Left)

Callout Component Name

Preliminary Procedures

  1. Drain the cooling system. Refer to Generator Control Module Cooling System Draining and Filling .
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the engine shield. Refer to Engine Shield Replacement .
  4. Remove the generator control module coolant pump hose (pump to pump) Refer to Generator Control Module Coolant Pump Hose Replacement (Pump to Radiator) , Generator Control Module Coolant Pump Hose Replacement (Pump to Pump) .
  5. Remove the generator control module 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 Generator Control Module Coolant Pump Bolt (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
9 N.m (80 lb in)
2 Generator Control Module Coolant Pump
TIP:  Disconnect electrical connector.
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.