Kia 3922038010 Sensor Assembly-Water Temperature

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Handle the ECT sensor with care. Damage to the ECT sensor will affect the operation of the entire fuel injection system. Note: The ECT sensor is located at the left (driver's) end of the engine, on or near the thermostat housing. Disconnect the cable from the negative battery terminal. Partially drain the cooling system. Disconnect the electrical connector from the ECT sensor. Unscrew the ECT sensor from the coolant passage. Don't seal the threads of the new ECT sensor with Teflon tape, as this will interfere with the grounding of the sensor. Apply a small amount of liquid sealer to the threads before installation. Installation is the reverse of removal. Be sure to tighten the ECT sensor securely. Refill the cooling system.

Handle the ECT sensor with care, as damage will affect the operation of the entire fuel injection system. Begin by disconnecting the cable from the negative battery terminal and partially draining the cooling system. For four-cylinder models, the ECT sensor is located on the back side of the cylinder head; remove the spring clip and pull the sensor from the coolant temperature control housing, then reinstall by reversing the removal process and refilling the cooling system. In V6 models, the ECT sensor is positioned at the driver's end of the engine for 2006 and earlier models, and at the back for 2007 and later models. For 2011 V6 models, remove the air filler housing, disconnect the electrical connector to the ECT sensor, and unscrew the sensor from the cylinder head. Avoid sealing the threads of the new sensor with Teflon tape, as it will interfere with grounding; instead, apply a small amount of liquid sealer to the threads before installation. Reinstall the sensor by reversing the removal steps and ensure it is tightened securely before refilling the cooling system.

Carefully pry the retainer wire loose, then pull off the connector.

Drain the coolant, disconnect the electrical connector for the sending unit, using a deep socket or a wrench, remove the sending unit, install the new sending unit, and tighten it securely, connect the electrical connector, refill the cooling system and check for coolant leakage and proper gauge operation.