Sensor, Coolant Temperature: Removal: 3.0L

The Engine Coolant Temperature (ECT) sensor is located on the upper portion of the water pump housing. It is installed into a water jacket inline with the thermostat.

Fig 1: Water Pump, Temperature Sensor & Thermostat Housing

Courtesy of CHRYSLER GROUP, LLC

WARNING:

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

Disconnect the negative battery cable.
Remove the air intake system.
NOTE:
Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.
Partially drain the cooling system. Refer to STANDARD PROCEDURE .
Disconnect the coolant temperature sensor wire harness connector.
Remove the coolant temperature sensor (2) from the water pump housing.