Question about 2003 Mini Cooper

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When I shut the car off the radiator fan will not shut off until the battery is dead

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Sounds like you need to replace the fan relay switch. I've also seen that problem in some Minis that required the fan motor to be replaced. Start with the relay, it's cheaper.

Posted on Oct 05, 2009

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2005 gmc yukon fan relay location


In the under hood fuse / relay box ! There are three of them COOLFAN/relay 1-2-3 . It's marked on the under side of fuse box lid .
The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the powertrain control module (PCM) to operate both fans together at low or high speeds. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block.

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I have a 2007 Toyota matrix and the fan that cools the motor will not shut off even when I turn the car off, this causes the battery to run down, any ideas what the problem might be


Does the fan really run until the battery goes dead?? OR are you afraid that it might run until the battery is dead?? In many cars, the fan will continue to run for a short time after you shut it off.... until the engine coolant is cooled to a certain point. It can also run for a while when you've been using your air conditioner. Now, if it is actually running continuously and won't turn off, there is a sending unit somewhere that isn't functioning correctly, either in your cooling system... or your air conditioning system. You're going to need to do some research and find out which sending unit might be the culprit..... or take it to the shop. They'll know what to do and can probably quickly fix it.

Dec 03, 2013 | Cars & Trucks

1 Answer

Radiator fan will not shut off


In some vehicles, the radiator cooling fan is controlled independently by a thermostatic switch. What you perceive as a problem actually is normal operation. When the temperature reaches a certain point, the fan turns on. When you stop and turn off the ignition, the fan continues to run until the temperature decreases to a point where the fan turns off

May 11, 2013 | Pontiac Grand Am Cars & Trucks

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1995 jeep cherokee sport 4 WD 4.0 6 cyl the fan in engine does not shut off for over an hour after car is turned off. How do I stop/fix this as battery keeps going dead?


Does it have an aftermarket fan switch? usually it is located beside the radiator. I had one of these in my 86 trans am, all you have to do is adjust it until it shuts off. hope this helps

Jun 08, 2011 | 1995 Jeep Cherokee

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2003 Mitsubishi Galant 2.4L 4-cyl is having trouble holding a charge on the battery. Tests say battery and alternator is OK. I checked fuses and they were good. I can jump the car but after I drive it...


Most likely you have something draining the battery. Quick way to tell, disconnect the ground (negative) cable to the battery, let it sit for a few hours, then reconnect it and try to start it. If it starts OK, you know the battery is holding a charge, but something is draining it.
To drain it in just a few hours requires a serious draw, like headlights or the cooling fan. It is possible that your cooling fan (behind the radiator) is staying on all the time. Often they are controlled by a thermostat, and will run for a few minutes after you shut off the engine, but it should shut off within about five minutes. If it is still running after ten or more minutes, you have a bad fan thermostat or a bad fan relay. If that is not the problem, you will have to get someone with an ammeter to measure the current draw, and start pulling fuses until you find the culprit.

Mar 30, 2011 | Mitsubishi Galant Cars & Trucks

3 Answers

When i turn off the car the fan continues to run?


Many cars have this feature. The fan will run for a few minutes at a time until the coolant in the radiator drops below a certain temperature. Most vehicles with this feature will have a warning label on the radiator shroud indicating that the fan may start without warning when the engine or radiator is still hot. The only time you would need to be concerned would be if the fan continues to run without turning itself off, and causing the battery to be drained.

Feb 19, 2011 | 2003 Jaguar X-Type

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2001 Dodge Grand Caravan Sport around 70k miles. 3.3L V6 Radiator fan sometimes stays on until battery is dead. Sometimes it stays on when engine is shut off, sometimes the fan starts up on its own many...


It is activated by a temperature switch. It's probably bad. Just runs the fan at any time for no reason or there is a short in that part of the system. I hate that the computor was changed first. Find that sensor and swap it out and see if your problem doesn't go bye bye.

Good luck

Feb 27, 2009 | 2001 Dodge Caravan

1 Answer

Fan won't shut off on my 1996 acura 2.5 tl...kills the battery.


replace the coolant temp (not the guage sender) fan switch.

Nov 24, 2008 | 1996 Acura RL

2 Answers

Fan keeps running after engine is shut off


It is normal for the fan to run when engine is off. Engine temps actually rise when the engine is shut off, the heat will rise through the engine compartment. So a Coolant temp sensor controls when the fan shuts on and off, obviously based on the temps of the anti-freeze. The fans are a high draw item, but It would take much longer than an hour breakfast for the battery to run dead. I would check out the battery and charging system first. Is the CEL on? Let me know and we will trouble shoot from there. Thank you for using fixya.com

Oct 05, 2008 | 2003 Jeep Grand Cherokee

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