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Unread 09-28-2012, 07:47 PM   #1
Mlove
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Bad Vibrations

I have 2005 Jeep Grand Cherokee 3.7 Laredo it is the full time AWD. there is a intermittent vibration when I'm going down the road it does it at different speeds. I have checked all the wheel bearings, tire balance the rear and front drive shafts. there does not seem to be any extra play anywhere. I have read and talked to a couple people that think it is a drive shaft issue. Thanks to some bad advice I removed the front drive shaft to try and test drive without it, but being AWD it wont move. I have kicked it into neutral while it is happening and it seems to stop. I have heard that might be the torque converter but I think it could also be because of the AWD. Anyone have any suggestions? Thanks

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Unread 09-28-2012, 08:05 PM   #2
JeepN4KC
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Honestly it sounds like a tire balance or alignment issue specific to certain speeds. Does it happen at the same speeds consistently?
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Unread 09-28-2012, 08:10 PM   #3
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The seized U-joint is usually in the rear drive shaft, not the front. Just do a search to find the related threads already started.
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Unread 09-28-2012, 08:33 PM   #4
Mlove
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Vibrations

It happens at all different speeds. tires still have all weights and appear to be freshly balanced. I have pulled, twisted, and turned the rear drive shaft it seems to be fine.
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Unread 09-28-2012, 08:54 PM   #5
JeepN4KC
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Quote:
Originally Posted by Mlove View Post
It happens at all different speeds. tires still have all weights and appear to be freshly balanced. I have pulled, twisted, and turned the rear drive shaft it seems to be fine.
Not sure what that means - tire balancing is a pretty minute measurement.

Have you been through any mud recently? Sometimes it can get caked behind the wheel and cause a pretty bad shimmy.
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Unread 09-29-2012, 09:31 PM   #6
Mlove
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More info

I took the jeep for a two hour ride today the vibration still comes and goes. Expect when I"m going down hill while its coasting it does not do it. the vibration changes in intensity from rapid to slow. speed makes no difference.
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Unread 01-07-2013, 04:40 PM   #7
Jeepsweety
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[FONT="Franklin Gothic Medium"]I'm having the same issue!!! It's the rear drivashaft gears! You need a new rear driveshaft!! quoted from $1200-$1300!!
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Unread 01-08-2013, 08:18 AM   #8
Radcrd
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If you have MUD or SNOW packed in the wheels it will cause vibrations. Something to check.
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Unread 01-08-2013, 09:10 AM   #9
LordEnki
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Spend the $6 a wheel and have them all rebalanced first. Way cheaper than replacing the DS.
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Unread 01-08-2013, 09:11 AM   #10
LordEnki
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Im pretty sure you cant jyst "eyeball" the wheel balance.
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