Sensor, Coolant Temperature: Removal: 5.7L/6.4L
The Engine Coolant Temperature (ECT) sensor is located on the upper portion of the water pump housing. It is installed into a water jacket in-line with the thermostat.
WARNING:
Hot, pressurized coolant can cause injury by scalding. Cooling system must be partially drained before removing the coolant temperature sensor.
- Disconnect and isolate the negative battery cable.
- Remove the engine cover.
- Remove the air cleaner body. Refer to 5.7L - BODY, AIR CLEANER, REMOVAL or 6.4L - BODY, AIR CLEANER, REMOVAL .
- Drain the cooling system. Refer to STANDARD PROCEDURE .
- Disconnect the ECT sensor wire harness connector (3).
- Remove ECT sensor (2) sensor from the water pump housing.