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My bmw.x3 2004,, running hot , I notice that the fan wasnt running, but if Iput it on a/c ,,it start running. Jerry Jones please help!

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  • 29 Answers

Check the fan relays

Posted on Oct 10, 2013

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Posted on Jan 02, 2017

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SOURCE: I just replaced a waterpump on a 92 525i, and now

it might be because you pulg the terminals wrong..it could probably be plugged in both ways...

Posted on Jul 10, 2009

  • 63 Answers

SOURCE: my car would run a little hot when you would turn

the Radiator May be Getting Stopped up I Would Need To Be Rodded Out If So Or Could be Thermostat Not Opening Up All The Way I Would Check Therostat First Before Going The Route Of Pulling The Radiator

Posted on Aug 17, 2009

  • 113 Answers

SOURCE: When 90 Mustang 5.0 sits at idle for a period of

check fuses first, if all are good check for power at fan, if power is at fan and its not coming on replace fan, if no power replace coolant temperature sensor and recheck power at fan. the coolant sensor sends a signal to the computer to tell it to turn the fan on so if your getting power at the fan and its not working i would change the sensor, i hope this helps

Posted on Feb 05, 2011

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Air conditioning not working on BMW 325 XI


with a/c on, with condenser fan must be running to remove heat from condenser, check and make sure fan is running

Jul 15, 2012 | 2004 BMW 3 Series

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When 90 Mustang 5.0 sits at idle for a period of time it then runs hot. I replaced stat and I noticed the fan wasnt coming on. Where do I go from here?


check fuses first, if all are good check for power at fan, if power is at fan and its not coming on replace fan, if no power replace coolant temperature sensor and recheck power at fan. the coolant sensor sends a signal to the computer to tell it to turn the fan on so if your getting power at the fan and its not working i would change the sensor, i hope this helps

Feb 05, 2011 | 1990 Ford Mustang

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Hello Sir, I have replaced the radiator, radiator heat sensor, radiator cap, and all hoses. There are no leaks coming from the engine. I have also replaced the anti-freeze with BMW manufactured...


After the car is cool and has been sitting for a while, remove the radiator cap, have someone start the car, the coolant in the radiator should drop a little, and there should be movement, if there is no movement, let the car run for a while, with some systems it won't cycle enough to notice until the engine warms up. If there is still no movement, you likely have a bad water pump and/or thermostat.
Another method as a "just to be sure", drain the coolant overflow tank, and fill it with clean distilled water. Drive the car for a few days (carefully not to overheat it obviously, if the engine is getting too hot to drive normally don't do this test). If after a few days of driving the fluid in the overflow tank is still clear (water), then there is no circulation in the system.
It's usually best to start by replacing the thermostat, and then re-check. If that doesn't fix the problem it is most likely a water pump, or in very rare cases a plugged radiator or coolant passage.

Jul 18, 2010 | 1998 BMW 7 Series

1 Answer

Heating problem on engine..


hello there:
if the motor was hot when you cleaned it you may have cracked the head but first thing you should check would be the fan to see if it might be a relay to the fan or if it could be a faulty switch try turning the a/c on and see if the fan come on if it boes it will more than likely be a switch or the fan relay...hope this helps you out please leave a review thanks....sincerely D.Jones

Jun 02, 2010 | 1995 Eagle Talon

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My heater doesnt work on my 330 bmw .....nothing blows out at all! Is this a quick fix or do I have to take it to the shop, and how would I go about fixing it myself!??? Any suggestions please


does the fan work,if not check fuses,or maybe switch,or fan motor which is unlikley,you need some one you know whos handy to at least think about it after looking at it in the flesh

Oct 28, 2009 | 2003 BMW 5 Series

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My car would run a little hot when you would turn ac on after about 10 min but would come back down now it ran hot with no ac on and i notice fan wasnt working i turned car off and let it cool and took off...


the Radiator May be Getting Stopped up I Would Need To Be Rodded Out If So Or Could be Thermostat Not Opening Up All The Way I Would Check Therostat First Before Going The Route Of Pulling The Radiator

Aug 17, 2009 | 2003 Ford ZX2

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Auxillary fan will not shut off, continues to run when the car is not on. I have to unplug the switch before it will stop.


Is this the radiator fan you're talking about? If so it's supposed to run after the engine is switched off unitl it cools down. More noticeable on hot days.

Jun 30, 2009 | 1999 BMW 328 Series

1 Answer

Overheating


yes, have a machanic check out your fan switch and see if this is the issue... if not... installing a new/bigger radiator and air intake will help keep the motor cool. If this is mostly happening after driving short distances, try sitting in your car with the motor running for about 5 minutes after you park. This should let the motor cool down properly and cool your troubles as well :)

May 17, 2008 | 2001 BMW 325

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