Radiator Fan Keeps Running When Car Is Off

There probably would be nothing wrong with letting the engine cool by itself which is what happens if the design removes power from the fan when the ignition is off but since the normal operation of most cars is to run the fan when the water temperature exceeds a set threshold it does so even with the engine off.

Ceiling fan with light enclosed. Radiator fan keeps running even after the ignition is off. For later models it is located on the passengers side by the glove box. This is normal in many vehicles such as bmw or mercedes benz the radiator.

Engines are still hot when you shut them off the fans need to run to continue removing heat from the cooling system. Then you notice the engine cooling fan is still running even though the car is turned off. When the temperature exceeds a specific value usually 215 degrees fahrenheit the computer will.

The computer turns the cooling fan on and off when it receives a temperature indication from the coolant temperature sensor. I have heard about fiat palios radiator fan which would run independent of ignition being on or off. They are constantly running even when i off the ignition.

In most other cars fan wont run until there is a faulty relay or some electrical failure. Radiator fan constantly running even when engine is off by zaikon m. This module location is primarily for the early model honda accords 1990 1993.

In fact engine heat can increase when you first shut them off since water pump is no longer circulating coolant as hot coolant expands from the heads and into the radiator the cooling fans need to run to bring that temp down. 908am on nov 16 2014. Your car fan will run for a few minutes after you turn off the car then turn off.

Your cooling fan operates through a series of circuits. It allows the fan to stay on after the car has been turned off for additional cooling. It is ok for the engine cooling fan to keep running for a few minutes after you turn off the car.