ECT Sensor 1 Replacement

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine coolant (see COOLANT REPLACEMENT ).
Disconnect the ECT sensor 1 2P connector (A).

Fig 1: Identifying ECT Sensor 1 With O-Ring And 2P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove ECT sensor 1 (B).
Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant (see COOLANT REPLACEMENT ).