Cooling Fan Running After Car Is Off

The water pump is the likely culprit. Its normal for some vehicles to have a fan run for a few minutes after the car is shut off generally to keep the engine cool.

Why Does The Engine Fan Turn On When I Stop Driving Ask The Car Expert

During a regen the DPF heats up to 800C.

. PART NEEDED TO REPAIR 07-20 GM 36L SLTSLE FAN CONSTANTLY RUNNING Linked Belowhttpsamznto35GvvXgHow To Repair Cooling Fan Constantly Running Radiator F. Running cooling fans help cool down the engine even after you turn off the car. You drain your battery completely dead too many times and you need to replace it.

This just started happening today temp staying at cold and fan continues to r. 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. However if the fan is running for an extended period the fan itself can become damaged due to overuse.

Its perfectly normal to have your cooling system fan stay on after youve shut off the car but it shouldnt stay on longer than ten minutes. Its fairly common for the fan to continue to run after the engine is turned off so it continues to draw air through the radiator and over the engine. In some cases the fan stays on too long which causes the battery to drain.

All is well in CTD land. It smells like burning plastic usually. When the sensor fails the radiator fan runs at full speed like the car is overheating.

The fan keep running after switching off is a safety measure when the ECM cannot read the temperature it will keep the fan blowing for 10 to 15 mins after you switch off to make sure the car is not in a situation where it can cause a fire as the ECM cannot determine if the engine is ice cold or burning hot. Fans dont turn on after shutdown that might indicate the computer is seeing an engine hot enough to warrant cooling with the radiator fans to cool the compartment. This is normal in many vehicles such as BMW or Mercedes-Benz.

Temp gauge stays on cold and cooling fan continues to run for 5 min after car is off car runs fine and does not run hot. The situation when the car radiator cooling fan keeps running constantly can be caused mostly by a failing coolant temperature sensor or its wiring broken fan start relay damage to the electrical wires electronic engine control unit ECU problems. Its possible you may have a module or relay failing in your car.

Engines are still hot when you shut them off the fans need to run to continue removing heat from the cooling system. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. 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.

When the engine is turned off the coolant doesnt circulate and the heat stays trapped therefore prolonging the engine from cooling. So yesterday while out enjoying the first real decent weather this year I notice my radiator fan running continuously after the car is shut off. It watches the car as it is being driven for things like AC operation outside temp etc.

This helps dry the heat exchanger so it doesnt grow as much mold or other biologicals which tend to stink to high heaven the next time you start the car and run the fan. Why does the radiator fan run all the time. Dont try to stop it by turning off the car and then back on this only defeats the purpose.

It drains the battery. This is why the fan must go on whether the car is running or not. Then after the key is off for about 5-10 minutes itll run the HVAC fan for a few minutes.

Only if the engine was recently put under heavy load which is pretty unusual especially in IL. When you shut off the car the fan continues to run at full speed for at least 15 minutes. If this happens to your Accord you might have a.

The radiator fan may run up to five minutes and sometimes longer. Radiator fan keeps running when engine is off Radiator fan stays on after car is turned off Radiator fan running all the time Radiator cooling fan running constantly. Check It Out.

Yes actually it did. The fan runs whether the car is being driven or not. Or open the hood and let the engine idle for a few minutes before shutdown might also cool the engine back to normal range.

Let the car do what it does as this is how the computer is programmed. Dash temperature gauges arent particularly accurate for more than Oh crap its overheating or Its not warmed up yet. Your car fan will run for a few minutes after you turn off the car then turn it off.

The radiator fan may run up to five minutes and sometimes longer. Also check the operation of the coolant pumpvalve at the top of the radiator passenger side I think. I wouldnt worry about it unless it runs for hours.

I ended up parking the car for several hours and it drained my battery. Usually that will only show a problem after the car has run the fans for the max cooling time with the engine off and the coolant temp has not dropped enough. Thats normal especially given where you live.

I drove like this all day yesterday. Both the X3 and my mothers 325i N52 engine have continued to run the cooling fan for 3-5 minutes after the engine was turned off after climbing a prolonged steep gradientmountain. To my knowledge the fan goes off and on as you drive based on varying engine temperature but should not run on after you turn the car off unless the engine is excessively hot for some reason but you would be aware of that due to the temperature gauge.

Faster And Cheaper Than Traditional Printed Manuals Users Get Instant Access To The Repair Information They Need For Any Car Truck Van Or Suv. To understand how the cooling fan should work correctly you need to know at what temperature the electronic control unit ECU turns de. I jumped her and drove her home.

Car Fan Still On When Engine Is Turned Off Youcanic

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