Grand Cherokee 4WD V8-5.7L VIN 2 (2007)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Removal
5.7L
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.
WARNING: Hot, pressurized coolant can cause injury by scalding. Cooling system must be partially drained before removing the coolant
temperature sensor.
1. Partially drain the cooling system.
2. Remove accessory drive belt.
3. 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.
4. Disconnect electrical connector from sensor.
5. Remove sensor from cylinder block.
