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Old 11-27-2010, 15:47   #1 (permalink)
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90 LTD , Highway Vibrations

Ive been getting vibrations now for a while ,only really around 60mph. the car has all new tires , the rims are all newly balanced. new wheel bearings in the front on both sides , im pretty sure the u-joints on the drive shaft are new.. what else could it be ? the rear end it self ?
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Old 11-27-2010, 16:34   #2 (permalink)
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Re: 90 LTD , Highway Vibrations

It's not usual for the diff to cause a vibration. Have you jacke the rear up on stands and run it to see if you can see what it might be/
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Old 11-27-2010, 19:28   #3 (permalink)
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Re: 90 LTD , Highway Vibrations

where do you feel the vibration? the seat or from the steering wheel... have you also checked to make sure the driveshaft bolts are tight since i have seen that as an issue causing a vibration at speed.
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Old 11-27-2010, 20:10   #4 (permalink)
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Re: 90 LTD , Highway Vibrations

i feel it in the steering wheel , but i can feel it in the floor too it seems like its coming from the rear , il check the drive shaft bolts and see if there tight
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Old 11-27-2010, 20:26   #5 (permalink)
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Re: 90 LTD , Highway Vibrations

I would suspect front end alignment and or worn out parts on the front end.
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Old 11-27-2010, 20:32   #6 (permalink)
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Re: 90 LTD , Highway Vibrations

the front end is tight , perhaps it needs an alignment but its pretty straight
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