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Unread 01-12-2010, 10:55 PM   #1
BoarderX47
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Pulsing vibration at 60+mph

Hey guys, just recently, as in this winter, I have been getting a pulsating vibration coming from the jeep as soon as I hit 60mph and above. The vibration comes and goes about every 10 seconds and can be felt in the seats but not in the gas pedal. Any ideas as to what this could be.

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Unread 01-13-2010, 03:13 AM   #2
CJ7-Tim
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Quote:
Originally Posted by BoarderX47 View Post
.... a pulsating vibration .....
Usually points to worn out u-joints. Most likely, the rear drive shaft. If fresh u-joints doesn't fix the noise, the slip yoke on the drive shaft may be worn or you may need to look into a Slip Yoke Eliminator (SYE).
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Unread 01-13-2010, 06:05 AM   #3
MeltdWhiskey
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ahh ...the old pulsing vibe issue.

good luck isolating it. ...many have tried and failed.

i just learned to live with it.
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Unread 01-13-2010, 06:13 AM   #4
IOUnlimited
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I'd begin by pulling the rear shaft and driving with just the front shaft and see if it takes care of the issue.
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Unread 11-22-2012, 12:03 PM   #5
Kodiak17
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Thread revive: If I pull the rear shaft, how fast can I go on 4-hi.
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Unread 11-22-2012, 12:41 PM   #6
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Originally Posted by Kodiak17 View Post
Thread revive: If I pull the rear shaft, how fast can I go on 4-hi.
I've driven for hours at highway speeds just on the front driveshaft. No problems.
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Unread 11-22-2012, 01:05 PM   #7
Jeepin72
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As fast as you want. Just pay attention to the the Jeep. If you feel a new vibe, back off.
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Unread 11-22-2012, 01:27 PM   #8
Kodiak17
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Alright I'll pull both shafts, hoping it isn't as stubborn as the OP's problem.
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