gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Sensors and Switches - Engine > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 975
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1. Coat the ECT sensor threads with sealer GM P/N 12346004 (Canadian P/N 10953480), or equivalent.

NOTE:  Refer to Fastener Notice in Service Precautions.

2. Install the ECT sensor.

Tighten
Tighten the sensor to 20 N.m (15 lb ft).

3. Connect the ECT sensor electrical connector (1).
4. Refill the engine coolant. Refer to Draining and Filling Cooling System (LL8) or Draining and Filling Cooling System (LM4) in Cooling System.

Sensors and Switches - Engine > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 975