1999 Cadillac Concours Heavy Vibration seemingly coming fro

1999 CADILLAC DEVILLE CONCOURS
98,000 MILES • V8 • FWD • AUTOMATIC
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OSBORNE45121
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This problem is a sparatic problem and isnt occuring all the time. Occasinaly while driving down the road the car will get a heavy vibration in it. This vibration whil grow in intensity and almost fell like theres a flat tire in the rear of the car. The rear tires are good, no broken belts or anything. I had a sneaking suspicion that it could be a prob with my rear pass brakes but dont know if that makes sense.
Mar 14, 2008 at 1:48 PM
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BUZZSAW
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[quote:84e45293ec="osborne45121"]Shakes or Wobbles problem
1999 Cadillac Concours V8 Front Wheel Drive Automatic 98000 miles
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This problem is a sparatic problem and isnt occuring all the time. Occasinaly while driving down the road the car will get a heavy vibration in it. This vibration whil grow in intensity and almost fell like theres a flat tire in the rear of the car. The rear tires are good, no broken belts or anything. I had a sneaking suspicion that it could be a prob with my rear pass brakes but dont know if that makes sense.[/quote:84e45293ec]

does it vibrate when braking
Mar 14, 2008 at 4:48 PM
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OSBORNE45121
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no it actually stops when i brake
Mar 15, 2008 at 2:23 PM
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BUZZSAW
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[quote:10c8766fb5="osborne45121"]no it actually stops when i brake[/quote:10c8766fb5]

I would jack up a rear tire and get it in the air, ck it like you would for a loose bearing, if one side doesnt do it try the other ( grab the tire up and down try and wiggle it, also grab it from side to side and wiggle it) let me know....
Mar 16, 2008 at 2:22 AM