Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

fan not turning on after dual core rad. install

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Old Mar 5, 2012 | 01:43 PM
  #1  
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Default fan not turning on after dual core rad. install

what up fellas.... I got a dual core and a slim fan... I kept the oem fan on but it wouldnt turn on someone told me to put the slim fan on... I did fan still doesnt turn on..

THE CAR DOES NOT OVER HEAT or get warm just stays in the middle...

I was thinking if i got a racing thermostat maybe that would make the fan turn on.


Any positive comments help out..

I know since it doesnt overheat its not a big deal.
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Old Mar 5, 2012 | 02:20 PM
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Default Re: fan not turning on after dual core rad. install

Have you tried jumping the fan harness with a paper clip?
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Old Mar 5, 2012 | 02:34 PM
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Default Re: fan not turning on after dual core rad. install

are you trying to bleed the system?

if so, how long are you idling the car for? it may take over 30mins for the fan to turn on.

also, check your fuses just incase (i believe there is one for the fan in the engine bay fuse box by the battery).
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Old Mar 5, 2012 | 02:46 PM
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Default Re: fan not turning on after dual core rad. install

Originally Posted by hannslebo
Have you tried jumping the fan harness with a paper clip?
no i havent
Originally Posted by Mashimaro
are you trying to bleed the system?

if so, how long are you idling the car for? it may take over 30mins for the fan to turn on.

also, check your fuses just incase (i believe there is one for the fan in the engine bay fuse box by the battery).
Yeah i bled the system already and checked the fuses ... I even had an extra relay laying around and swapped it in... didnt do a thing
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Old Mar 5, 2012 | 03:11 PM
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Default Re: fan not turning on after dual core rad. install

mine takes a loooooooooong time to kick on. Never overheats.
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Old Mar 5, 2012 | 05:06 PM
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Default Re: fan not turning on after dual core rad. install

Try the paper clip thing...if it works then its your fan switch.
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Old Mar 5, 2012 | 05:50 PM
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Default Re: fan not turning on after dual core rad. install

You upgraded your cooling capacity and wonder why the fan ain't coming on???
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Old Mar 5, 2012 | 06:21 PM
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Default Re: fan not turning on after dual core rad. install

Originally Posted by hannslebo
Try the paper clip thing...if it works then its your fan switch.
thanks bro ill look up how to do it

Originally Posted by Marvin1985
You upgraded your cooling capacity and wonder why the fan ain't coming on???


thanks bro... it has never turned on.... since the install... even if i run it hard
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Old Mar 5, 2012 | 06:26 PM
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Default Re: fan not turning on after dual core rad. install

Nothing wrong with your fan.
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Old Mar 5, 2012 | 06:35 PM
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Default Re: fan not turning on after dual core rad. install

thanks^
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Old Mar 5, 2012 | 08:24 PM
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Default Re: fan not turning on after dual core rad. install

jump it
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Old Mar 6, 2012 | 05:45 AM
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Default Re: fan not turning on after dual core rad. install

jump it to make sure it works. The fan typically only comes on if you are running a long time and then stuck in traffic and idling.
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Old Mar 6, 2012 | 09:07 AM
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Default Re: fan not turning on after dual core rad. install

if you properly bled the system, the fan should have come on during the process. i would re-bleed until the fan cycles.

https://honda-tech.com/forums/showpo...85&postcount=3
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Old Mar 6, 2012 | 09:10 AM
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Default Re: fan not turning on after dual core rad. install

Actually we are assuming that his fan may have stopped working after the radiator was switched.
Was the fan working PRIOR?
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Old Mar 6, 2012 | 12:30 PM
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Default Re: fan not turning on after dual core rad. install

air in the system will prevent the fan from coming on.

Bleed the system

To jump it and check fan....go over to the passenger side Look down - you should see the thremostat- on top of that there is a connector. Unplug it, get a paper clip - plug each into each side. Turn car to accessory or fire it up, Does the fan kick on? if so its either air that needs to be bled, a bad fuse or relay, or a bad switch

If you just did a radiator.....I bet you need to bleed it.
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Old Mar 6, 2012 | 01:14 PM
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Default Re: fan not turning on after dual core rad. install

Smh
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Old Mar 6, 2012 | 03:49 PM
  #17  
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Default Re: fan not turning on after dual core rad. install

Originally Posted by grumblemarc
Actually we are assuming that his fan may have stopped working after the radiator was switched.
Was the fan working PRIOR?
thats what i thought happen

PAPER CLIP'D IT AND IT WORKS PERFECT
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