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Unread 08-06-2012, 09:28 AM   #1
shanedougherty
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Replacing cooling fan suggestions

Hey everyone,

It's time to replace my fan clutch, but while I have the fan shroud and fan out I was thinking of upgrading the fan. I still have OEM, which is nice and heavy, but works great.
Looking to upgrade to aluminum possibly. I don't want to go to electric.

Any suggestions on good brands or where I can get a decent fan that will help lighten the Jeep's load.

Thanks for all the help.

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Unread 08-06-2012, 09:42 AM   #2
Jeepsr4me
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http://www.jeepforum.com/forum/f9/tj...06-tj-1237538/
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Unread 08-06-2012, 09:44 AM   #3
biffgnar
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Originally Posted by Jeepsr4me View Post
Results on that have been mixed. Personally, I tried it and went back to stock.
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Unread 08-06-2012, 09:46 AM   #4
VT_Rubi
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Stock
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Unread 08-06-2012, 10:12 AM   #5
Jeepsr4me
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Results on that have been mixed. Personally, I tried it and went back to stock.
Why did you go back? I had that post saved as a just in case deal.
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Unread 08-06-2012, 10:23 AM   #6
Unlimited04
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Originally Posted by biffgnar View Post
Results on that have been mixed. Personally, I tried it and went back to stock.
x2. tried it, went back to stock. i documented my experience in that thread.
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Unread 08-06-2012, 09:47 PM   #7
Bills03tj
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I tried it too and went back to stock. It caused mine to overheat on the trail.
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Unread 08-06-2012, 10:14 PM   #8
Necko2529
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I run completely stock cooling system with religious maintenance and I've never overheated. Summer temps around here easily go into 115+ F.
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Unread 08-06-2012, 10:40 PM   #9
shanedougherty
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Thanks for all the info. After more research, looks like stock is the way to go. Looks like I'll just go with replacing the fan clutch.
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Unread 08-07-2012, 06:50 AM   #10
wage
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On replacing the fan clutch, is OEM best way to go? Or does the HD format work better?
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Unread 08-07-2012, 06:59 AM   #11
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On replacing the fan clutch, is OEM best way to go? Or does the HD format work better?
OEM type. the HD/severe duty versions lock up and create too much resistance on the water pump, causing the belts to slip and squeal (which burns/glazes/ruins the belt).
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Unread 08-07-2012, 12:42 PM   #12
DanZ51
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Originally Posted by Unlimited04 View Post
OEM type. the HD/severe duty versions lock up and create too much resistance on the water pump, causing the belts to slip and squeal (which burns/glazes/ruins the belt).

I haven't any such issue with my fan clutch, I've been running the 2791. Here's the Hayden fan clutch catalog. Yes the 2771 is the normal Heavy Duty model for my TJ, 2791 is a Severe Duty version that according to their specs will fit

http://www.haydenauto.com/upload/Hay...fan-clutch.pdf
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Unread 08-07-2012, 12:45 PM   #13
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Originally Posted by DanZ51 View Post
I haven't any such issue with my fan clutch, I've been running the 2791. Here's the Hayden fan clutch catalog. Yes the 2771 is the normal Heavy Duty model for my TJ, 2791 is a Severe Duty version that according to their specs will fit

http://www.haydenauto.com/upload/Hay...fan-clutch.pdf
Have you seen sustained 3000+rpm driving under load? I ran the 2791 for a week. It squealed like a stuffed pig above 3000rpms and burned up a brand new serpentine belt.

I've got a 2771 on now, and it squeals too, but not as bad. It's doesn't start slipping until around 3500+ rpms.
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Unread 08-07-2012, 04:20 PM   #14
Best4x4
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The only setup I had squeal was the Torq Flo Severe Duty for the Ford Explorer with the 9 blade fan. The Hayden model with the 9 blade fan didn't squeal at all. I sold my Rubicon with that setup on it and I had good results with it on that Jeep. I now have an LJ and I would install it again, but it's cheaper just to get a new Hayden clutch and re-use the OEM fan blade.
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Unread 08-07-2012, 09:30 PM   #15
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Originally Posted by shanedougherty View Post
Hey everyone,

I don't want to go to electric.
since i've been considering electric, why not?
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