XJ (X350) V8-4.2L SC (2004)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature (ECT) Sensor - 4.2L
4.2L, Vehicles With: Supercharger
Engine Coolant Temperature (ECT) Sensor
Removal
1. Release the cooling system pressure.
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Remove the coolant expansion tank pressure cap.
2. Remove the engine cover.
3. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
4. Remove the ECT sensor.
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Remove and discard the ECT sensor sealing washer.
Installation
1. Install a new ECT sensor sealing washer.
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To install, reverse the removal procedure.