OEM 2007 Buick Lucerne Coolant Temperature Sensor

2007 Buick Lucerne Parts Questions & Experts Answers

• Q: How to replace the Engine Coolant Temperature Sensor on 2007 Buick Lucerne?

  A: To replace Engine Coolant Temperatures Sensor (ECT), thecooling system must first be drained down beneath the ECT sensor. Then, detach engine harness electrical connector from the ECT sensor and take it out. While installing the new sensor, make sure to coat its threads with sealant GM P/N 12346004 (Canadian P/N 10953480) or similar. Mount the ECT sensor and fasten it to the approved torque value of 23 N. M (17 lb ft). Rejoin the engine harness electrical connector to the ECT sensor, refill the cooling system, and lastly, reinstall the intake manifold cover. It is important to be careful not to do any damage to the sensor since that will interfere with the working of the fuel injection system, and to make sure that all replacement parts to the component are the correct part number for the application, and to follow the value of specifications of the torque to prevent adding any damage to the part.