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 Post subject: Vibration
PostPosted: Wed Jul 20, 2016 1:11 pm 
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So right around 70mph I get a real bad vibration. I can't narrow it down to a specific area, the whole Jeep vibrates. It's so bad vehicles in the rear view mirror are just a blur. When I drop below 70mph it goes away. I haven't accelerated past 75mph to see if it goes away. Anyone got any ideas what it could be?


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 Post subject: Re: Vibration
PostPosted: Wed Jul 20, 2016 3:31 pm 
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Shannon wrote:
So right around 70mph I get a real bad vibration. I can't narrow it down to a specific area, the whole Jeep vibrates. It's so bad vehicles in the rear view mirror are just a blur. When I drop below 70mph it goes away. I haven't accelerated past 75mph to see if it goes away. Anyone got any ideas what it could be?

First things to check are driveshaft U-Joints and tires for any bad spots or knots on one of them. Tire or tires could be way out of balance and cause this; if not tires, take a good look at U-Joints on driveshaft for wear or loose joint... :wink:

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 Post subject: Re: Vibration
PostPosted: Tue Aug 02, 2016 4:22 pm 
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WWDiesel wrote:
Shannon wrote:
So right around 70mph I get a real bad vibration. I can't narrow it down to a specific area, the whole Jeep vibrates. It's so bad vehicles in the rear view mirror are just a blur. When I drop below 70mph it goes away. I haven't accelerated past 75mph to see if it goes away. Anyone got any ideas what it could be?

First things to check are driveshaft U-Joints and tires for any bad spots or knots on one of them. Tire or tires could be way out of balance and cause this; if not tires, take a good look at U-Joints on driveshaft for wear or loose joint... :wink:


It was about time for new tires anyway so went ahead and got a new set. While they were being installed at the local 4x4 shop I told them about the vibration and had them check the front and rear driveshafts. They said everything looked fine. Went on the interstate to get some speed and vibration is still there. Any other ideas?


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