5.7L Engine

Fig 1: Engine Coolant Temperature 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: Engine Coolant Temperature REMOVE / INSTALL 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 Cooling - Standard Procedure .
Remove accessory drive belt. See Cooling/Accessory Drive/BELT, Serpentine - 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 & AIR CONDITIONING - SERVICE INFORMATION for information.
Disconnect electrical connector from sensor.
Remove sensor from cylinder block.