Sensor-Engine Coolant Temperature: Removal: Removal-5.7L

2008 Jeep Commander Overland, 4WDSECTION Removal-5.7L
Fig 1: ECT Location 5.7L
GC0028737Courtesy 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
GC0028738Courtesy 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.
  1. Partially drain the cooling system. See STANDARD PROCEDURE .
  2. Remove accessory drive belt. See REMOVAL .
  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. Refer to HEATING & AIR CONDITIONING - SERVICE INFORMATION for information.
  4. Disconnect electrical connector from sensor.
  5. Remove sensor from cylinder block.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.