car jumping

2000 DODGE DURANGO
V8 • 4WD • AUTOMATIC
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PAMC
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2000 Dodge Durango
when i put on the brakes the front of the car jumps. it acts like there is a flat spot on the axle. we got the brakes fixed and the abs sensor replaced recently.
May 11, 2011 at 2:33 PM
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CARADIODOC
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What were the brakes fixed for, this same problem or something else? What jumps, the brake pedal, or do you feel it in the entire vehicle?
May 11, 2011 at 4:42 PM
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PAMC
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The brakes were worn so we got them replaced and no the car didn't do this before. I can feel it in the whole car.
May 11, 2011 at 5:54 PM
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CARADIODOC
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If the problem started right after the brake service, it should have been noticed during the test drive. It is possible to machine the rotors and accidentally machine a warp onto them which could be what you're feeling. New rotors often warp right after they've been installed, . . . well, . . . within a few weeks. A simple machining will take care of that. Reputable shops will typically do that at no charge if they did the previous brake work.

The system should be inspected by the same shop that did the previous work. Someone will test drive it after you explain what it's doing. Very often they can tell what is wrong just be how it feels
May 11, 2011 at 9:48 PM