Sensor, Coolant Temperature: Removal: 3.2L
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
The Engine Coolant Temperature (ECT) sensor on the 3.2L engine is installed into a 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.
- Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
- Remove the engine cover.
- Partially drain the cooling system. Refer to STANDARD PROCEDURE .
- Disconnect the coolant temperature sensor wire harness connector (1).
- Remove the coolant temperature sensor (2) from the cylinder head.