Sensor-Engine Coolant Temperature: Removal: 5.7L

Fig 1: ECT Location 5.7L

Courtesy of CHRYSLER LLC

1 - TOP OF AIR CONDITIONING COMPRESSOR

2 - ECT SENSOR LOCATION

The Engine Coolant Temperature (ECT) sensor on the 5.7L engine is located under the air conditioning compressor. It is installed into a water jacket at the front of the cylinder block.

Fig 2: Removing/Installing Engine Coolant Temperature Sensor - 5.7L

Courtesy of CHRYSLER LLC

1 - FRONT OF INTAKE MANIFOLD

2 - ELECTRICAL CONNECTOR

3 - ECT SENSOR

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

Partially drain the cooling system. See STANDARD PROCEDURE .
Remove accessory drive belt. See REMOVAL .
Carefully unbolt air conditioning compressor from front of engine. Do not disconnect any A/C hoses from compressor. Temporarily support compressor to gain access to ECT sensor. Refer to Heating and Air Conditioning section for information.
Disconnect electrical connector from sensor.
Remove sensor from cylinder block.