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Advice on cooling fans.

 
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Old 09-18-2011, 02:41 PM
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Advice on cooling fans.

One of my fans dont work on my Prelude and I was wondering if I should buy a aftermarket fan or just go with the OEM fan. If its the aftermarket where to get the best deals?
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Old 09-18-2011, 05:00 PM
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Re: Advice on cooling fans.

Unless you've done something to increase the temperature of the coolant passing through the radiator, the OEM fan should be enough. Even before you get that far, though, is the car overheating? If not, no need for another fan. And are you sure one fan doesn't work? One of them (IIRC, the right side fan) only comes on when the air con is on...check to make sure it's really not working (unless you've already thought of that).
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Old 09-18-2011, 11:04 PM
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Re: Advice on cooling fans.

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Originally Posted by Jamie View Post
Unless you've done something to increase the temperature of the coolant passing through the radiator, the OEM fan should be enough. Even before you get that far, though, is the car overheating? If not, no need for another fan. And are you sure one fan doesn't work? One of them (IIRC, the right side fan) only comes on when the air con is on...check to make sure it's really not working (unless you've already thought of that).


^ this.

keep an eye on your thermostat - the fan on the left is used only when the car reaches a certain temperature. If it's not working, you could have a bad thermostat or bad fan relay.

If you insist on purchasing new fans - I suggest the 12" fans from Mizu. Members of Preludepower receive a 10% discount when purchasing through Sparkplugs.com. There is a coupon code to receive the discount.


I would offer to sell you my fan - that is just sitting here in front of me - but unfortunately as some know....I'm horrifically slow at setting up a paypal :(
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Old 09-18-2011, 11:15 PM
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Re: Advice on cooling fans.

Try to apply direct 12v power and ground right to the fan itself. If it turns on, its not the fan, you have another issue.
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Old 09-18-2011, 11:38 PM
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Re: Advice on cooling fans.

The car goes to overheat, and the fan doesnt kick on. You gotta kinda tap on it and it kicks on... Sometimes that is anyways.
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Old 09-18-2011, 11:47 PM
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Re: Advice on cooling fans.

Test everything we mentioned.
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Old 09-18-2011, 11:56 PM
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Could I just take the wires from the one on the right and plug it into the one on the left? And see if it kicks on?

My dad said it could be the relay? Whats a way to test that?

Last edited by hotrod; 09-19-2011 at 05:18 PM. Reason: merging back to back posts.
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Old 09-19-2011, 02:55 AM
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Re: Advice on cooling fans.

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Originally Posted by NjNoel View Post
Could I just take the wires from the one on the right and plug it into the one on the left? And see if it kicks on?
Yes, you could do that to test the actual fan - but the other fan only turns on when the ac is on....and you would have to remove both fans entirely to swap and test....


as ctlude said - just run a hot and neutral straight off the battery (carefully) and see if it runs.
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Old 09-19-2011, 03:15 AM
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Re: Advice on cooling fans.

No mean to thread jack or anything but is it weird for both fans to turn on if your ac or heaters not on ?

Oo and my dad said it's the relay also. He said they usually go out after a while because they really dont get that much attention (ie. Replacing) ever, because they don't usually go out too easily
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Old 09-19-2011, 12:59 PM
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Re: Advice on cooling fans.

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Originally Posted by HueyTat View Post
No mean to thread jack or anything but is it weird for both fans to turn on if your ac or heaters not on ?

Oo and my dad said it's the relay also. He said they usually go out after a while because they really dont get that much attention (ie. Replacing) ever, because they don't usually go out too easily
Yeah they shouldn`t both turn on. It`s pretty damn hot here in cali right now though. Do they turn on when on accesories? Where you from?
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