Yukon XL 2500 2WD V8-8.1L VIN G (2004)
1. 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 Service Precautions.
2. Install the ECT sensor.
Tighten the sensor to 50 N.m (37 lb ft).
3. Install the ECT sensor electrical connector to the oil fill tube bracket.
4. Connect the ECT sensor electrical connector (3).
5. Refill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
