Automotive experts say it’s normal for a radiator fan to keep running briefly after the engine is turned off, a process called after‑run cooling. Modern engine control units monitor post‑shutdown ...

The fan center’s purpose is to control when the indoor fan turns on. Before the integrated gas control board, the indoor fan on gas and oil furnaces would either turn on at the same times as the heat ...

When you turn the engine off and walk away, only to hear the radiator fan still spinning, don't panic. It is doing the job it was built to do. This is called after-run cooling, and unlike some of the ...