Replacement radiator -
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Go Back > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Replacement radiator

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Unread 02-24-2007, 11:10 AM   #1
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1997 ZJ 
Join Date: Jun 2004
Location: Ohio
Posts: 144
Replacement radiator

I clicked over 200,000 a week or so ago, but have been having some transmission fluid leak from a line connection at the transmission cooler in the front. I pulled out the radiator this weekend so I could get to those lines and it has signs of leakage. Also the fluid level slowly goes down in it. I want to put a replacement in while I have everything apart. I did some searching on the forum and people have suggested

My question is what is the difference between the two row and three row? If I buy the three row will have have any minor modifications that need to be made?

97 ZJ 4.0

Current mods:
K&N Intake, Thorley header, Magna flow cat, Flowmaster muffler.
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Unread 02-24-2007, 03:26 PM   #2
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I purchased my 3 row from, but many have used the site you mentioned. Get the 3 row and no modifications will be needed during the installation. Just remember to move all the air dams over to the new rad, even the one on the bottom so as air is forced through the rad, and not around.

Those little 90 degree hose connections are pretty neat to access as I need to do the wife's when warmer weather arrives in a few weeks. Purchased them from NAPA but sitting in the garage for now. On her's, it was just some seepage at a hose connection, so I moved it down slightly and no more leaks.
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Unread 02-24-2007, 09:48 PM   #3
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1997 ZJ 
Join Date: Jun 2004
Location: Ohio
Posts: 144
Of course mine was leaking from the bottom hose that is nearly impossible to get to. I ended up drilling two holes through the plastic piece that is behind the grille that the lights attached to access bolts. They get covered up anyway when the grille is put back on. That made it so when I took the radiator out and unbolted the transmission cooler it slipped up far enough to access the bottom line.
97 ZJ 4.0

Current mods:
K&N Intake, Thorley header, Magna flow cat, Flowmaster muffler.
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Unread 02-25-2007, 12:31 PM   #4
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2006 XK Commander 
Join Date: Jan 2004
Location: Wilmington, NC
Posts: 1,429
I had the transmission fluid leaking from the wrench fitting at one point. I found that it had worked itself loose over time. I just cranked the wrench fitting down, and the leak was gone.

Regarding the radiator, mine died at 198K miles. If you are at 200K already, then a swap is probably in order. I have used radiator barn a couple times, and I was very satisfied. I went with an OEM equivalent. The shipping was crazy fast. I am now 16K miles down the road, and I have no leaks and no problems with cooling.
'06 XK Limited, 5.7L, QD II, Black, 124K
'02 WJ Overland, 4.7L HO, QD, Inferno Red, 102K
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Unread 02-26-2007, 06:52 PM   #5
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2007 MK Compass 
Join Date: Aug 2006
Location: Madison/Janesville, Wisconsin
Posts: 5,623
Replaced the Radiator and Trans hose on the wife's '96 last July, 160 K miles. The local NAPA store got a radiator from a sorta local re-builders outlet, no shipping charges. I could find out what the company is if interested. Also got the upper trans hose with the slip on fitting that goes to the bottom of the radiator, BK 827-5350. Redesigned fitting. No leaks and no problems.

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'06 WK Grand Cherokee Limited Quadra-Drive II, 5.7
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Unread 02-26-2007, 08:27 PM   #6
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1996 ZJ 
Join Date: Sep 2004
Location: Denver, Colorado
Posts: 13,494
If you offroad at all, I would avoid the 3-row. That extra row can make it a bit restrictive when airflow if in question. If it's a street Jeep...towing, lots of highway, no rockcrawling, the 3-row would be good.

Radiator Barn is great - CSF is the brand they carry, and it's all metal instead of the craptastic plastic tanks on the OEM. Very sturdy, and they do ship extremely quick. No leaks whatsoever out of mine.
Jim Karlin
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Best mod you'll ever do on ANY vehicle!!!!

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Unread 02-26-2007, 08:29 PM   #7
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I actually just had the dealer do mine (it sucks, but I don't have the tools or time at school to do it), and the radiator itself was only $120 and has a lifetime warranty on it, so I'm fairly satisfied.
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