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Old 03-20-2012, 01:32 PM
Thread Starter
Join Date: Jun 2010
Posts: 1
transmission rattle

I just rebuilt the 4.0 in my yj, on the way home a rattle from the tranny started. i had heard this once or twice before but it had stopped. Now with the engine running, in gear or out there is a loud rattle. it will shift fine but the rattle never clears up.From some research ive done it sounds like a bearing, input or output im not sure. any help would be appreciated. i really dont want to have to rebuild the tranny as i just spent all my money on the engine! its a 5 speed by the way thanks for any help.

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Old 03-20-2012, 01:40 PM   #2
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Join Date: Feb 2012
Location: Raleigh, NC
Posts: 429
No change when you put the clutch in, or when coasting out of gear? Hard to say w/out further info.

Input & throwout bearings often change noises when you push in the clutch.

If it's constant, and you just messed w/ the engine....I'd take a close look at the cat/mount & make sure it's not hitting the skidplate/frame. Mine rattled like crazy & sounded like it was coming from the tranny.
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