No front d-shaft no problem...w/ d-shaft death wobble and can't get to 50mph..help - Jeep Wrangler Forum
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Old 08-06-2008, 02:12 PM   #1
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No front d-shaft no problem...w/ d-shaft death wobble and can't get to 50mph..help

Do I need a new front d shaft or u-joints or what?

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Old 08-06-2008, 03:07 PM   #2
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Check the U-joints. If they look good, take it to a shop and have them check the runout AND balance. It can balance good, but if there is too much runout, you can still get vibration. Did you take it apart? The splines have to go back together the same way you pulled them apart to keep the balance.

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Old 08-06-2008, 03:22 PM   #3
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No I didn't take it apart. I bought the jeep w/ it out and just tried to put it in and it goes into 4wd fine but once I start driving there is a noticeable vibration and it seems to not have as much power as it has when I don't have it in. It won't even get over 50 mph.
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Old 08-06-2008, 03:36 PM   #4
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Something is out of balance on the driveshaft. Did it come with the Jeep but it wasn't installed? If so, then that's a good sign the previous owner removed it because it had a problem. It could be bent, or a u-joint could be bad. I'd take it to a driveshaft shop and have them look it over. I don't mean a garage or 4x4 shop, I mean a driveshaft shop. Those are the guys that can figure out what's wrong and not rape you on the cost as a garage shop that would just send it to the driveshaft shop for repair anyway.
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Old 08-06-2008, 03:45 PM   #5
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okay. That's what I didn't want to hear.
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Old 08-06-2008, 03:49 PM   #6
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No worries, it's cheap to have a driveshaft shop rework a driveshaft so it's like new again. No guarantees your problem is caused by an out of balance or damaged driveshaft, it just sounds like it could very well be.
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Old 08-08-2008, 02:05 PM   #7
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May be the slip joint. We just had the same thing with my sister's xj,it had around 139,000 miles on it and the u-joints looked good but the slip had alot of play in it.

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