April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

Fig 1: ECT Sensor And Electrical Connector

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

Install the ECT sensor (2) into cylinder head.
Tighten: Tighten the ECT sensor to 20 N.m (14 lb ft).
Connect the ECT sensor electrical connector (1).
Refill the engine coolant. Refer to Draining and Filling Cooling System .