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Hard "thump" while in motion....
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=78699
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Author:  Mykol [ Tue Mar 25, 2014 9:17 pm ]
Post subject:  Hard "thump" while in motion....

While driving at a steady speed, I felt and heard a "thump". First one time, now frequently. It feels like a missfire in the engine, or the rear differential is skipping a few teeth. I am clueless. But the skip is pretty hard. It will not happen under hard acceleration, typically just under steady or light throttle. Any ideas?? Thanks

Author:  jeepdan [ Wed Mar 26, 2014 7:14 am ]
Post subject:  Re: Hard "thump" while in motion....

If you are feeling this at around 35mph, it's normal.
I don't think anyone here has come up with an explanation for it.
Mine has always done it.
I have just learned to keep accelerating through this shift point.

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