OEM 2004 Chevrolet Impala Coolant Temperature Sensor

2004 Chevrolet Impala Parts Questions & Experts Answers

• Q: How to replace the Coolant Temperature Sensor on 2004 Chevrolet Impala?

  A: A partial cooling system drain operation should start before replacing the engine coolant temperature (ECT) sensor. Start by taking out the Thermostat Housing then disconnect the ect sensor electrical connector to finally remove the ect sensor. When performing installation handle the coolant sensor with proper care to prevent any damage that might harm the fuel control system. When selecting replacement components confirm they match the application's designated part number. Also note that some components require thread locking compound and lubricants and corrosion inhibitors or sealants must follow specifications to preserve final torque and component functions. Photo seals the threads with gm p/n 12346004 and canadian p/n 10953480 sealing solution before applying 20 n.m (15 lb ft) of torque when installing the ect sensor. Completing the ect sensor electrical connector reinstallation and Thermostat Housing installation while adding coolant to the cooling system.