gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Sensors and Switches - Engine > < Emissions - MIL ON/DTC P0446 Stored In ECM|Page 1426

Sierra Classic 2500 4WD V8-6.0L (2007)

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2. Install the ECT sensor.

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

3. Connect the ECT sensor electrical connector (5).
4. Refill the cooling. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining and

Filling Cooling System (Vac-N-Fill).

Sensors and Switches - Engine > < Emissions - MIL ON/DTC P0446 Stored In ECM|Page 1426