BRAKE TROUBLES

  • Tiny
  • mopar318
  • 2001 Chevrolet Impala
  • 6 CYL
  • 2WD
  • automatic

When applying brakes car has a dribbling effect with the front passengers tire, I believe this is due to a faulty caliper. Is this correct?Vehicle is 2001 chevy impala v6 w/abs

Tuesday, July 26th, 2011 AT 9:17 PM

4 Answers

  • Tiny
  • caradiodoc
  • Expert
  • 25,278 posts

What do you mean by "dribbling effect"? The brake pedal pulsates up and down? The car vibrates? Do you feel it at all speeds?

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Tuesday, July 26th, 2011 AT 9:59 PM
  • Tiny
  • mopar318
  • Member

Im not sure that pedal pulsates. And the car does not vibrate as far as vibration from a bad bearing or ball joint. The car has had front hub assymbly replacement tie rods and ball joints replaced and alignment done on it. It feels as the front passengers side tire bounces when applying brakes more noticeable at higher speeds and steering also pulls to right side when it does it then when taking back off it will do it shortly til it feels as if it releases

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Wednesday, July 27th, 2011 AT 12:45 PM
  • Tiny
  • caradiodoc
  • Expert
  • 25,278 posts

All those symptoms taken together suggest a worn lower control arm bushing allowing the alignment to change. That would make an intermittent pull to one side when braking or accelerating. A similar symptom can occur from a tire pull which can also cause a vibration. Don't overlook something as simple as a warped brake rotor.

GM also has had a huge problem with abs wheel speed sensors that are built into the front wheel bearings. The bearings develop a little play, which is normal, but it's enough to cause dropouts in the speed signals and make the computer think that wheel stopped rotating. You will feel that as a buzzing in the brake pedal, and possibly the entire car, but only when braking, not when just cruising.

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Wednesday, July 27th, 2011 AT 10:54 PM
  • Tiny
  • mopar318
  • Member

Thank you for the much needed advise. Hopefully god willing I will have the results for you by the weekend. I appreciate you taking the time to answer my questions this is by far the best site I have come acrossed. The response time was amasing.

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Thursday, July 28th, 2011 AT 1:43 PM

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