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Put ZJ clutch fan in a XJ to keep cooler (it worked). Photos.

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Old 07-03-2012, 02:55 PM
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Originally Posted by Redsnake
CobraMarty... do you have an aftermarket Radiator? I ask because I was going to swap in the HD fan clutch on my '01 about 1 month back and it wouldn't fit (as you describe) because the vents on the new clutch would hit my aftermarket 2-core aluminum radiator and I needed ~ 1/4" to clearance for it to fit over the studs and mount up. Hard to describe but you know what I'm talking about...

Let us know how it works out and if you're happy with it, noise-wise, cooling wise, etc... I may have to do the same thing you did to get one of these HD clutch's on my '01.
Stock radiator. There seems to be enough 'slop' in the support holes to cause this slight clearance issue. I do think that my jeep was hit in the passenge front and that could have moves things the 1/8-1/4".
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Old 07-03-2012, 02:58 PM
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Originally Posted by CobraMarty
Stock radiator. There seems to be enough 'slop' in the support holes to cause this slight clearance issue. I do think that my jeep was hit in the passenge front and that could have moves things the 1/8-1/4".
Can you post some pics? Again, I have stock radiator and I had no issues.
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Old 07-03-2012, 03:00 PM
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Originally Posted by CrawlerYJ
Mine fit without issue. Direct bolt-on.



272310 is the Napa version IIRC.

The 2737 is the Hayden version. Both from a ZJ.
I'm not sure but I think there is a ZJ clutch fan for the 4.0 that runs at 60% of engine speed the 40% the XJ clutch fan does. That's the 272310. And then there's a HD ZJ fan. Could that be the fit issue? That the HD ZJ fan is what people are trying to cram in there?
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Old 07-03-2012, 03:01 PM
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yes the regular gran cherokee fan clutch becomes a hd for xj ...
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Old 07-03-2012, 03:07 PM
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Originally Posted by cruiser54
I'm not sure but I think there is a ZJ clutch fan for the 4.0 that runs at 60% of engine speed the 40% the XJ clutch fan does. That's the 272310. And then there's a HD ZJ fan. Could that be the fit issue? That the HD ZJ fan is what people are trying to cram in there?
I think you are correct.
http://www.oreillyauto.com/site/c/de...1&keyword=2737
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Old 07-03-2012, 03:10 PM
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this one goes right in no issues...
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Old 07-03-2012, 03:12 PM
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not this one...
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Old 07-03-2012, 03:14 PM
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mines been in over 6 months now ac colder nno change in mpg never gets above 210 ever ever...10 dollars brand new jy find
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Old 07-03-2012, 03:18 PM
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Originally Posted by freegdr
yes the regular gran cherokee fan clutch becomes a hd for xj ...
I know that!! I've done that swap. I think some people are trying to put a HD fan clutch for a ZJ on an XJ instead of the standard ZJ unit and that's why it ain't fitting.
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Old 07-03-2012, 03:21 PM
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Originally Posted by cruiser54
I know that!! I've done that swap. I think some people are trying to put a HD fan clutch for a ZJ on an XJ instead of the standard ZJ unit and that's why it ain't fitting.
bingo i just woke up slow on posting info you snuck in between them...lol...
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Old 07-03-2012, 03:23 PM
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Originally Posted by freegdr
bingo i just woke up slow on posting info you snuck in between them...lol...
Don't blame me, Mr Siesta Man.
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Old 07-03-2012, 03:26 PM
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Originally Posted by cruiser54
Don't blame me, Mr Siesta Man.
siesta i wish working nights then days back and forth my clocks all bassakwards ...6pm to 2am then 7am to 3.30 pm
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Old 07-03-2012, 03:27 PM
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Originally Posted by cruiser54
I know that!! I've done that swap. I think some people are trying to put a HD fan clutch for a ZJ on an XJ instead of the standard ZJ unit and that's why it ain't fitting.
The Hayden 2747 is a HD clutch fan as shown above and it fits

This is the one I installed "HD clutch fan" w/out issue
http://www.oreillyauto.com/site/c/de...1&keyword=2737
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Old 07-03-2012, 03:38 PM
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Originally Posted by CrawlerYJ
The Hayden 2747 is a HD clutch fan as shown above and it fits

This is the one I installed "HD clutch fan" w/out issue
http://www.oreillyauto.com/site/c/de...1&keyword=2737
Good to know.
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Old 07-03-2012, 03:41 PM
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So,if we do our shopping in the JY,what am looking for? A 6 cylinder ZJ? What am I missing?
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