Question about 1998 Dodge Neon

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Radiator cooling fan stays on when car is shut off.

What would cause cooling fans to stay on long after car is shut off?

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  • joe May 11, 2010

    how long do they stay on? most electric cooling fans will run after the ignition is off to cool the coolant to below a certain temp.



    if the fan stays on for more than 10 minutes, then there is a problem.

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  • 9 Answers

Replace the fan switch sensor unlikey a relay because there on! cant be bad wireing there on! replace the sensor

Posted on Feb 27, 2009

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johnjohn2
  • 5763 Answers

SOURCE: I have a 1992 Honda Accord. When you shut off the car the blower motor stays on and the lights on the heater panel.

Make sure your fan is wired correctly, if the fan is wired correclty which it may but could be crossed and spinning backward and sending power through ground wire causing a power up of the inside light and blower, if the wiring is good then replace the cooling fan relay, that must be shorting and back feeding power to heater control.

Posted on Oct 22, 2011

  • 85 Answers

SOURCE: radiator cooling fan will not go off when the car has shut off

could be a bad fan relay try to remove the fan relay this will at least shut it off so you dont kill your battery. But dont run car without it. Try to do a diagnosis on relay

Posted on Feb 22, 2009

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Why does 2000 s40 volvo turbo runs hot and the fan stays on after shut off


fans are designed to run on after you shut engine down as engine temperature rise after switching off . running hot could be caused by the top hose having gone soft when you rev the engine the water pump sucks the hose flat stopping the coolant flow or the radiator is blocked and need flushing out

Sep 16, 2014 | 2000 Volvo S40

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When I shut off the engine on my 2003 GMC Yukon XL the cooling fan does not shut off Trying to find the relay for the fan but can't locate in under hood fuse box


the cooling fan is suppose to stay on for a short period to help cool the water in the radiator. it is controlled by a thermostate.

Mar 06, 2014 | Cars & Trucks

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Why does my fan keep running in my 2003 Volvo S 60 after the car is off?


It can be faulty fan relay.The relay is not turning the system off.Or its wire short issue.Even with ignition off ,the fan relay is getting power so its not letting the fan to turn off.Bypass the fan control relay and see if still the fan works with ignition off or not.

For more troubleshooting check the link below:------

Cooling Fan Stays ON with Ignition Off?

http://whatisbyme.blogspot.in/2012/07/cooling-fan-stays-on-with-ignition-off.html
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Cooling fan relays location ?

http://technoanswers.blogspot.in/2012/02/cooling-fan-relays-location-on-1998.html
------------

DIC says "COOLING FAN FAULT"?

http://schematicsdiagram.blogspot.com/2011/12/dic-says-cooling-fan-fault.html
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Heater fan and headlights will not turn off with ignition off?


http://technoanswers.blogspot.com/2012/01/heater-fan-and-headlights-will-not-turn.html


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Fuel pump relay and cooling fan relay troubleshooting ?

http://repairhelpcenter.blogspot.com/2011/10/fuel-pump-relay-and-cooling-fan-relay.html

-------------

Where Is Radiator Fan relay and Fuse Located?

http://schematicsdiagram.blogspot.com/2011/12/where-is-radiator-fan-relay-and-fuse.html

------------
These will help.
Thanks.

Nov 28, 2012 | Volvo S60 Cars & Trucks

1 Answer

I have a 1992 Honda Accord. When you shut off the car the blower motor stays on and the lights on the heater panel.


Make sure your fan is wired correctly, if the fan is wired correclty which it may but could be crossed and spinning backward and sending power through ground wire causing a power up of the inside light and blower, if the wiring is good then replace the cooling fan relay, that must be shorting and back feeding power to heater control.

Oct 22, 2011 | 1992 Honda Accord

3 Answers

Whay does my radiator fan stay on whaen i turn the car off


It stays on to continue cooling the contents of the radiator, which remain hot even after you turn your car off. When the coolant is cooled, the fan will turn off.

Aug 07, 2010 | 2001 Nissan Altima

1 Answer

Fan blower stays on after i shut car off i unplug the wire for it so it does shut off and when i need air i plug it back it and my radio stays on after i shut car off and take key out...my radio is...


Some cars are designed to have the fan run for a few minutes after you turn the car off. But if doesn't stop until the battery drains, then it might be a faulty switch or temperature sensor.

Or, if the fan stays running when the engine and radiator are cool you have a very cheap problem: The fan thermostat is stuck closed. A new thermostat will fix the problem--the hardest part of replacing it is finding it. Follow the wires from the fan to the switch--it is usually on the bottom tank of the radiator. Drain the radiator first and save the coolant to put back in after you replace the thermostat. NEVER OPEN A HOT RADIATOR.

If that wasn't it then check the following:
  • Check to see that your coolant level is correct. Top up as necessary.
  • Lay your hand on the radiator (with the engine off) and feel if it is as hot at the top as it is at the bottom. If not, your radiator may be clogged and need flushed or replaced. (Flushing is cheap. Replacing the radiator isn't)
  • Do you get heat from the heater? Leave it turned on high and see if your fan stays running the next time. If it takes care of the problem that could mean you have a kinked radiator hose.

Hope this helped (remember comment and rated this).

May 05, 2010 | 2005 Chevrolet Impala

2 Answers

Radiator Fan Stays On


A simple test would involve disconnecting the fan switch while the fan is on. If the fan then stops the switch has failed. If the fan continues to run remove the relay , if the fan then stops the relay has failed.
Various inputs/outputs at the relay should be confirmed to be 100% certain something strange isn't going on.
Above all be careful of the fan itself , if it's running obviously but if it's not it could start during repair

Mar 01, 2010 | 2001 Buick LeSabre

1 Answer

Radiator cooling fan will not go off when the car has shut off


could be a bad fan relay try to remove the fan relay this will at least shut it off so you dont kill your battery. But dont run car without it. Try to do a diagnosis on relay

Feb 22, 2009 | 1998 Dodge Neon

1 Answer

Radiator Fans


You may have air trapped in the cooling system, this causes a hot spot and the fans run, This is a common issue on most front wheel cars, jack the front of the car up as high as you can, fill the coolant reservoir full, run the engine until hot,( don't overheat it) then shut down, let the engine cool, this should self bleed the air, refill the coolant bottle and retest for your problem, restore the wiring, the not running fan is for AC. Spray cold water from a hose on the radiator his will help get the air out after the shut down.

Oct 15, 2008 | 1998 Mazda Protege

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