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Old 01-18-2012, 09:04 PM   #1
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Location: Plantsville, CT
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Front Driveshaft Problem

Back in November, I dented my front driveshaft while wheeling when I came down on the rock ledge. I took it off to get home, as the Jeep vibrated badly.

I ordered a Tatton driveshaft, installed it and took it for a test ride and there was a vibration. Of course it was not as bad as the dented one I replaced, but I was not sure if the Jeep had another problem. I checked everything over and the right front bearing module was a little sloppy. Replaced it, but still had the vibration. I ran a dial indicator on the new driveshaft and get about 0.020” run out near the front yoke and about 0.060” near the rear.
I contact Tatton’s and sent it back for repair. I get it back and I still have a vibration. I checked the Jeep again, and this time the right front lower ball joint is loose. Go figure. So I replace the upper and lower ball joint on that side. Well I still have a vibration.
So I dial indicate the driveshaft. Just about the same run out as before. I put the Jeep on jack stands and run it in 4wd and can see the shaft running out. The vibration can be felt about 50 mph and just gets worse as I go faster. I even remounted the transfer case end of hte drive shaft to the yoke 180 degrees and the high and low locations are the same. I figured this could determine if the transfer case yoke was bent. The u-joint caps are located properly within the both yoke tabs.

What else could it be, or is it definitely the driveshaft? Yes the vibration is gone when the front driveshaft is removed.

I do not want to say anything negative about the company, but how could he not correct this or is there something I do not understand and the run out is normal?

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2003 TJ Rubicon Flame red, 5 speed, 4.88 gears, Detriot locker in rear, Superior axle shafts, RE 3.5" SL, 1" BL, , 1" ML, 35x12.50x15 GY MT/Rs, Cobra 75 CB, Kilby gas tank skid, Poisson Spyder Rocker Knockers, GP Fab rear bumper, Warn 8274
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Old 01-18-2012, 09:08 PM   #2
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Have you tested the front axle's pinion shaft for runout? Maybe it (or the t-case output shaft) was bent when the driveshaft landed on the driveshaft.

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Old 01-18-2012, 09:20 PM   #3
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Quote:
Originally Posted by Jerry Bransford View Post
Have you tested the front axle's pinion shaft for runout? Maybe it (or the t-case output shaft) was bent when the driveshaft landed on the driveshaft.
So I would have to pull the yokes to test runout ?
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2003 TJ Rubicon Flame red, 5 speed, 4.88 gears, Detriot locker in rear, Superior axle shafts, RE 3.5" SL, 1" BL, , 1" ML, 35x12.50x15 GY MT/Rs, Cobra 75 CB, Kilby gas tank skid, Poisson Spyder Rocker Knockers, GP Fab rear bumper, Warn 8274
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Old 01-19-2012, 09:40 PM   #4
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Can anyone recommend a source for the 241OR transfer case front yoke ?
I see 231 yokes on some sites, but not the Rubicon transfer case yoke.
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2003 TJ Rubicon Flame red, 5 speed, 4.88 gears, Detriot locker in rear, Superior axle shafts, RE 3.5" SL, 1" BL, , 1" ML, 35x12.50x15 GY MT/Rs, Cobra 75 CB, Kilby gas tank skid, Poisson Spyder Rocker Knockers, GP Fab rear bumper, Warn 8274
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Old 01-20-2012, 09:28 AM   #5
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