Engine Coolant Temperature Sensor: Installation

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

If you are reinstalling the original sensor, or if you are installing a new sensor without a sealer, coat the threads with Sealer (9985253) or an equivalent. Install the ECT sensor. Tighten the ECT sensor to specification. See TORQUE SPECIFICATIONS . Connect the ECT sensor electrical connector. Refill the engine coolant system. See COOLING SYSTEM BLEEDING under COOLING SYSTEM.

Fig 1: Identifying Engine Components (3.8L - Right Side Of Engine)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Locating EVAP Purge Solenoid, IAC Valve, Ignition Coils, ECT Sensor, HO2S Bank 1 Sensor 1 & TP Sensor (5.7L)

Courtesy of GENERAL MOTORS CORP.