Front end vibration at highway speeds

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  #1  
Old 06-06-06, 09:57 AM
bap
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Front end vibration at highway speeds

have a 2000 buick lesabre which vibrates at 72-75mph. No vibration at speeds other than that. You can't feel the vibration in the steering wheel. Rather, you feel it at the floorboard by the pedals. Any ideas on what's happening?
 
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  #2  
Old 06-06-06, 12:00 PM
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Check your rear tires for cupping. Run your hand around the tread and feel for unevenness. Usually steering wheel shake means front tires and feet or seat of the pants shake comes from rear tires. Have you rotated the tires on a regular basis. If not, that could cause the uneven wear.
 
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Old 06-06-06, 12:17 PM
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If there are no visual problems with any of the tires, have them balanced at a shop with a Hunter 9700 Road Force Balancer. This machine will tell you wether or not you have a bad tire, and if you can save it my matching it to the rim. If the tires wind up being no good, I would suggest a set of Michelins.
 
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