Removal & Installation
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Turn OFF the engine. Drain the coolant below the level of the ECT sensor. Disconnect the ECT sensor electrical connect. See Fig 1. Remove the ECT sensor. To install, reverse removal procedure.