CV (double Cardan) drive shaft look over: Jeep TJ wrangler 4" lift. w/ mods.

Also check out http://www.youtube.com/watch?v=GEGO53wOack

I'm trying to find my rhythmic clunk while slowing down. In retro I don't think the drive shaft is the issue. I rebuilt the whole thing anyways. All the u-joints and replaced the center ball in the double cardon. (which I wish I recorded but would have been R-rated) Notice the angle of the pinion and DS is more or less inline. I lowered this angle a little to set the pinion (where the axle "pumpkin" output attaches the the DS) to -1% compared with DS. If you don't have a CV joint you want equal angles form transfercase output to DS and alxe poinion to DS. With a double cardon (CV) you want all the angle change to reside there.

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[1BigSlick]

I'm about 95% sure this is a tansmission mount problem. I'll take a shot at it next weekend.

[GRJCLyon]

Well, there is an angle you never see every day. Nice video. Pretty cool. Hope you found your problem. I chased my vibes for weeks on my Jeep. Worn slip spline did mine in.

[Wolfren1000]

This was just cool looking. Hope you found the clunk.