Wheel vibrations when stopping

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  #1  
Old 03-23-06, 05:55 AM
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Angry Wheel vibrations when stopping

I went in for a brake replacement, rotors, pads on 1998 Buick Park Avenue. Car would vibrate when applying brakes to stop. Replaced front rotors and pads....still same vibrations. Took car back...replaced rotors again. Same problem. Car vibrates front end. Car has only 42,000 miles on it came from father in law. What do I do? Please help
 
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Old 03-23-06, 06:11 AM
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sometimes a vibration can be coming from the rear brakes, does it have rear disc brakes or drum brakes do you have any pedal pulsation do you feel it in the steering when coming to a stop if you can feel it at the steering wheel it should be related to the front brakes.
 
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Old 03-23-06, 06:21 AM
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If it's a vibration when you are traveling slower while braking (parking lot braking, as opposed to right off the highway braking) that's a good indication that it's rears
 
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Old 03-23-06, 02:08 PM
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Brakes for 1998 Park Avenue

I can feel the vibrations only when I am coming to a stop....and sometimes the vibtrations are worse depending on the speed I am braking from. Does this have anything to do with my ABS sensors, etc...although no pulsing is occuring from ABS when I am stopped....and no lights on dashboard indicating failure of ABS.
 
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Old 03-24-06, 08:50 AM
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If you are demonstrating this problem to the repair shop and they can't fix it, I suggest you find another repair shop. You may be experiencing a "False ABS Activation" if this only happens at slow speeds. Disable the ABS (pull the fuse) and try a few stops, if the problem is gone you have an ABS issue. If this is the case you may not have an ABS light on because the system thinks it is working properly with no out of spec conditions found when it does it's system check. In conditions such as this one of the most common causes is water intrusion in the wiring usually near the sensor or connection.
 
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Old 03-24-06, 01:04 PM
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Two other things come to mind you might check. When they did the brake job did they replace the caliper retaining bolt rubber bushings/o-rings? I've seen these cause the problem when worn out and dry. Also check tie rod ends for play which could also cause the concern.
 
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