Installation Procedure

WARNING: This page is about a different variant/trim than selected.

If installing the old sensor, coat the threads with sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the ECT sensor.

Fig 1: Locating ECT Sensor
Courtesy of GENERAL MOTORS CORP.

Tighten: Tighten the sensor to 50 N.m (37 lb ft).
Install the ECT sensor electrical connector to the oil fill tube bracket.

Fig 2: Locating ECT Sensor Electrical Connector At Oil Fill Tube Bracket
Courtesy of GENERAL MOTORS CORP.
Connect the ECT sensor electrical connector (3).

Fig 3: View Of Ignition Coil, ECT And MAP Sensor Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
Refill the cooling system. Refer to Draining and Filling Cooling System (w/RPO HP2) or Draining and Filling Cooling System (w/o RPO HP2) in Engine Cooling.