ARB Bullbar on 1999 wj, why do i need hydraulic cooling? - JeepForum.com
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Unread 06-06-2013, 02:57 PM   #1
duanewhatley
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1999 WJ 
 
Join Date: Jun 2009
Location: Kimberly, Alabama
Posts: 511
Wj ARB Bullbar on 1999 wj, why do i need hydraulic cooling?

Im picking up an ARB Bullbar tonight, and was reading around on their website. I noticed it says that I have to upgrade to hydraulic cooling. Is this something I can work around. Advice from 99-00 wj owners who have done this is appreciated.

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Unread 06-06-2013, 07:43 PM   #2
99SK04GTX
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2004 WJ 
 
Join Date: Jul 2009
Location: Hampton Roads
Posts: 454
They dam sure do say so "


Important: Fitment of bull bar to 1999-2000 WJ requires upgrade to hydraulic cooling system from later model.

http://www.arbusa.com/Vehicle/2004-j...erokee-wj.aspx

That does not make any sense at all to me
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Unread 06-06-2013, 09:09 PM   #3
duranged
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2001 WJ 
 
Join Date: Dec 2005
Location: SoCal
Posts: 259
not much help but this came from the install docs:

"installation of this bull bar to the earlier models without the
cooling system upgrade may result in the vehicle running hotter
than normal."

i'm pretty sure if will install without issues, but i don't think the 99-00 came with hydraulic fans. the stock fan for the 99-00 probably doesn't move enough air.

i haven't had any problems with mine... but i have an 01
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Unread 06-06-2013, 09:18 PM   #4
pinky2252s
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I wouldnt worry about it. To get a hydraulic fan you need to buy the fan (1,000 bucks) and get a different power steering pump because the powersteering pump runs the fan.
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Unread 06-06-2013, 09:39 PM   #5
ZeJokee
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Added weight and redirection of air flow might cause you to run hotter.But if your cooling system is function properly and has been properly maintain I do not see it actually causing an issue. With the combination of a mechanical fan and e-fan you should be fine. Assuming you have both like on my 99. I say install it, and monitor your temps and see if there is a change and go from there. Good luck.
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Unread 06-07-2013, 09:16 AM   #6
TJSWJ
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By hydraulic, I assume they mean hydraulic clutch fan. Not hydraulic driven fan. Either way don't worry about it. I only have the factory e-fan and have no over heating issues with my arb and warn m8000 combo.
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