Secondary Cooling System ECT2 - Engine Coolant Temperature (ECT) Sensor

Engine Coolant Temperature (ECT) Sensor - Secondary Cooling System ECT2









Removal

1. NOTICE: Make sure the ignition switch is in the OFF position prior to working on the electronic engine controls or the vehicle may be damaged.

Turn the ignition switch to the OFF position.

2. Drain the powertrain secondary cooling system. For additional information refer to Engine Cooling - 6.7L Diesel Powertrain Secondary Cooling Powertrain Secondary Cooling System Draining, Filling and Bleeding.

3. Disconnect the Engine Coolant Temperature (ECT)2 electrical connector.

4. Remove the ECT2 sensor.

Installation

1. Install the ECT2 sensor.
- Tighten to 18 Nm (159 lb-in).

2. Connect the ECT2 sensor electrical connector.

3. NOTICE: Evaluate the cooling system condition before filling the secondary cooling system. Failure to follow these instructions can result in damage to the engine.

Evaluate the secondary cooling system condition. For additional information, refer to Cooling System Condition Evaluation in Engine Cooling - 6.7L Diesel Powertrain Secondary Cooling Powertrain Secondary Cooling System Condition Evaluation.