OEM 2002 Buick LeSabre Coolant Temperature Sensor

2002 Buick LeSabre Parts Questions & Experts Answers

• Q: How to replace the Coolant Temperature Sensor on 2002 Buick LeSabre?

  A: Start by turning off the ignition and letting the coolant sink below the ECT sensor before proceeding with sensor replacement. Unplug the electrical connection before you gently take out the ECT sensor. The installation of the ECT sensor starts with thread coating using sealer GM P/N 9985253 or equivalent which needs to be followed by sensor tightening to 20 N.m (15 lb ft). After connecting the ECT harness connector to the ECT sensor you should refill the cooling system. When working with a coolant sensor owners need to implement careful handling due to potential impact on fuel control functionality. Also check that new parts match the precise requirements of the vehicle system. Usage of proper torque ratings prevents component damage while should be used with particular products under manufacturer directions. Thread locking compounds and lubricants need specific application only when specified.