gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Fan Shroud > < Seats - Driver/Passenger Heated Seats Inop./Slow to Warm|Page 5069

Sierra Classic 3500 4WD V8-8.1L (2007)

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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 (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining

and Filling Cooling System (Vac-N-Fill).

Fan Shroud > < Seats - Driver/Passenger Heated Seats Inop./Slow to Warm|Page 5069