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Engine Coolant Temperature Sensor: Removal

WARNING: HOT, PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE PARTIALLY DRAINED BEFORE REMOVING ECT (ENGINE COOLANT TEMPERATURE) SENSOR.
  1. Partially drain cooling system until coolant level is below cylinder head. (Refer to COOLING - STANDARD PROCEDURE ).
  2. Disconnect ECT (Engine Coolant Temperature) sensor wire connector (Fig 1 ) or (Fig 2 ).
    Fig 1: Locating ECT Sensor - 2.4L Engine
    G02711540Courtesy of DAIMLERCHRYSLER CORP.
    Fig 2: Locating ECT Sensor - 4.0L Engine
    G02711541Courtesy of DAIMLERCHRYSLER CORP.
  3. Remove sensor from engine.