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rad fan on everytime 91 hatch is at idle

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Old Nov 28, 2007 | 02:22 PM
  #1  
budomove's Avatar
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From: sergeantsville, nj, us
Default rad fan on everytime 91 hatch is at idle

I have a stock 91 std hatch
Everytime the car is at a standstill lately I have been hearing the fan on. It is between 40 and 60 degrees fahrenheit outside.

I replaced the stock thermostat with a 192f a while back, but the fan didnt come on at idle til now i dont think.

over the summer, the water pump leaked one drop at a time out of the weephole on and off for a couple weeks, and I had to top off the overflow tank a little, could that have recently seized causing the car to run hotter?

the temp gauge has been between 1/3-1/2 which is def normal.

I ran a grill block for the last year for higher engine temps for better mpg, and just removed it but fan still stays on at a standstill.

Thanks in advance!
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Old Nov 28, 2007 | 03:34 PM
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Default Re: rad fan on everytime 91 hatch is at idle (budomove)

bump
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Old Nov 28, 2007 | 06:21 PM
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Default Re: rad fan on everytime 91 hatch is at idle (budomove)

someone?
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Old Dec 3, 2007 | 12:41 AM
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Default Re: rad fan on everytime 91 hatch is at idle (budomove)

does it come on even if your car is cold?
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Old Dec 3, 2007 | 07:35 AM
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From: Cali
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check your coolant temp sensor, or your fan relay, could have a bad relay keeping circuit closed which keeps constant power goin to the fan and the fan will stay on at all times, those are the first things u should check, then move on from there...
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Old Dec 3, 2007 | 12:03 PM
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Default Re: rad fan on everytime 91 hatch is at idle (budomove)

Thanks guys, I think everythings ok after all. The fan comes on at idle when the key is in, and the engine is warm, i think that is normal. It goes off when I shut the car off.
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Old Dec 3, 2007 | 06:04 PM
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no its not normal.

Sounds like a stuck relay or switch.

Testing a relay is pretty hard to explain online w/o pictures and every relay is different. So try swapping relays first or searching a service manual to how to properly test it (you have to put power through it and check contunity so have an ohmmeter handy)

Or it could be a fan switch thats stuck as well. This is located on the therm. housing.
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Old Dec 4, 2007 | 09:22 AM
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Default Re: (ek_chris)

will check that out when I get a chance, thanks for the advice.
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