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Unread 01-24-2013, 02:32 PM   #1
jdthejeepman
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1988 XJ Cherokee 
 
Join Date: Jan 2013
Location: Braselton, Georgia
Posts: 10
88 xj Cherokee 4.0 knocking

I'm looking at buying a 88 Cherokee that has a 4.0 and automatic transmission (believe aw4 but not 100%) that is knocking pretty loudly. It's a constant knock, but I believe it to be the torque converter/flex plate bolts needing to be tightened. The whole jeep has 284k but the engine has 190k allegedly. My main question is if I buy it and it's not a simple fix, can I bolt in my 83 cj7s 4.2 258 in place of the 4.0? It's a good running engine with 83k. Is it a simple bolt in swap or will adapters be needed?

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Unread 01-24-2013, 03:30 PM   #2
Dluenz
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1993 YJ Wrangler 
 
Join Date: Dec 2011
Location: Sheboygan, WI
Posts: 481
If its not for the right price I wouldnt even think of it. And youd be better off going to a junk yard and getting another 4.0. Then you know it will bolt right up and you wont have issues.
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1993 YJ 4.0 32RH auto. NP-231. Zone Offroad 2" lift. Skids. Cragar D Windows. 31s. Rugged Ridge 8500lb winch. Bushwacker Cut Outs. Cut and rebuilt most of the frame.
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Unread 01-24-2013, 03:44 PM   #3
jdthejeepman
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1988 XJ Cherokee 
 
Join Date: Jan 2013
Location: Braselton, Georgia
Posts: 10
Well it's got a good lift on it that's fairly recent and brand new 33" tires he's asking $2000 total for it which I found reasonable. But there again I'm new to Cherokees. I've got 4 CJ's that I've been slowly piecing together but Cherokees are a whole new thing to me haha
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