Sensor, Coolant Temperature: Removal: 3.0L/3.6L

The Engine Coolant Temperature (ECT) sensor on the 3.0L and the 3.6L engine is located in the water jacket at rear of the cylinder head on the left side of the engine.

WARNING:

Hot, pressurized coolant can cause injury by scalding. Cooling system must be partially drained before removing the coolant temperature sensor.

NOTE:

Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.

Disconnect and isolate the negative battery cable.

Fig 1: ECT Sensor & Connector
Courtesy of CHRYSLER GROUP, LLC
Remove the engine cover.
Partially drain the cooling system. Refer to STANDARD PROCEDURE .
Disconnect the ECT sensor wire harness connector (1).
Remove the ECT sensor (2) from the cylinder head.