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Coolant Temperature Sensor / Switch HVAC: Service and Repair
ENGINE COOLANT TEMPERATURE SENSOR REMOVAL / INSTALLATION - 4.0L 1.
Disconnect battery.
2.
Partially drain the cooling system. See ENGINE COOLANT REPLACEMENT - 4.0L.
3.
Disconnect engine coolant temperature (ECT) sensor connector.
4.
Remove the clip and the ETC sensor. Discard the O-ring seal.
5.
To install, reverse the removal procedure.
-
Install a new O-ring seal.