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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2618 (HYBRID/EV COOLING SYSTEM)REPAIR INSTRUCTIONSCOOLANT TEMPERATURE SENSOR REPLACEMENT (GENERATOR CONTROL MODULE)
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Coolant Temperature Sensor Replacement (Generator Control Module)

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Coolant Temperature Sensor Replacement (Generator Control Module)
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 Coolant Temperature Sensor
GM1969725Courtesy of GENERAL MOTORS COMPANY
Coolant Temperature Sensor Replacement (Generator Control Module)

Callout Component Name

Preliminary Procedures

  1. Partially drain the generator control module coolant radiator just below the level of the coolant temperature sensor. Refer to Generator Control Module Cooling System Draining and Filling .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement
  3. Disconnect the engine wiring harness electrical connector from the coolant temperature sensor.
1 Coolant Temperature Sensor
CAUTION:

Refer to Fastener Caution .


TIP:  Coolant temperature sensor is located in the generator control module coolant radiator.
Tighten 
20 N.m (15 lb ft)
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.