Express 2500 V8-6.6L DSL Turbo (2010)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
VIN 6
Engine Coolant Temperature Sensor Replacement
Removal Procedure
Caution: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
1. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement (LMM) (See: Engine/Intake Manifold/Service and Repair/Intake
Manifold Tube Replacement).
2. Drain the coolant to a level below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (Static Fill) (See:
Service and Repair/Procedures/Cooling System Draining and Filling (Static Fill)) Cooling System Draining and Filling (Vac N Fill) (See: Service
and Repair/Procedures/Cooling System Draining and Filling (Vac N Fill)) Cooling System Draining and Filling (Static Fill LGH) (See: Service
and Repair/Procedures/Cooling System Draining and Filling (Static Fill VIN L)).
3. Disconnect the engine wiring harness electrical connector(s) (1) from the appropriate ECT sensor (s).