Silverado Classic 2500 2WD V8-8.1L (2007)
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).