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Correct Flexplate

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Old 07-02-2023, 03:27 PM
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Year: 1996
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Default Correct Flexplate

Does anyone have the flexplate part number for a 96 XJ with a 4.0 and automatic AW4? On Rockauto there are two. One is Z337 which is interchangeable with OEM 52118551 and has an outer diameter of 13.81”. The other is Z339 interchangeable with OEM 52117761, 53006324 and has an outer diameter of 13.83.
Old 07-02-2023, 07:06 PM
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The Jeep parts catalog lists 52118551 for a 1996, and 52117761 for 94-95. Of course being a 1996 crossover year, it's a crap shoot what you actually need.
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pacolo90 (07-03-2023)
Old 07-04-2023, 02:08 AM
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measure the new vs the old very carefully, and let us know what is the result

I would go the '96 version

a few guys have installed the wrong one, and it causes major problems
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cruiser54 (07-04-2023)
Old 07-04-2023, 11:48 PM
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However you get it, you can stack them, one on top of another, and line up the bolt holes, and tooth patterns, INCLUDING the spaces on the walls of the plate. The ENTIRE thing should be IDENTICAL! And yes, "an inch counts..."
if they're not IDENTICAL, bolt holes, spaces on the outside, etc, (pay attention to detail...) itll still rattle/make noise.

Old 07-04-2023, 11:54 PM
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Also, going thru a local autoparts store, VS online, allows you to bring in the Old Part, and Match it up... In Person.
and,, they don't (often) cause too much Hassel with returns.
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cruiser54 (08-29-2023)
Old 08-28-2023, 03:28 PM
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Hey guys, sorry for the delayed response. So as I was preparing things and taking the flexplate to torque converter bolts off, three of the four bolts were loose. Only one was tight and required me to hold the crank to get off.

anyway long story short, I cleaned them, put red loctite, and torqued them to 28ft ilbs. Rattling noise is gone now.

as far as which flex was correct I think it would of been Z339. On the front side of mine it said 51630I
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318SixPack (08-29-2023)
Old 08-28-2023, 08:33 PM
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Cool. An even easier fix that you thought! Pretty common problem, btw.
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Old 08-28-2023, 11:07 PM
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For people stumbling on this thread in the future, I used "Pioneer Automatic Transmission Flywheel FRA-480." There have been reports of some of the other ones being slightly too big and scratching the inside of the transission while making terrible noises. The one I got worked great.
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