What are the common causes of pulsating car brakes?

Answer

The common causes of pulsating car brakes can include the Antibrake System (ABS), a poorly installed wheel or a warped rotor. In fact, pulsating car brakes is a common complaint regarding ABS brakes when the ABS system kicks in. This usually happens when braking on ice, wet roads, or gravel.

Unfortunately, the most common cause of pulsating brakes would be the rotor. The rotor may be warped, but it could also be misaligned. If the wheels were recently installed or have had maintenance work done on them, head back to the auto mechanic and have them double-check to be sure they were installed correctly. If recent work has not been done, the rotor might be warped. This can be caused by sudden braking. Visit a reputable auto mechanic to install a new one if unsure of how to replace it.

Q&A Related to "What are the common causes of pulsating car..."
Warped rotors are the most common cause. Improper lug nut tork will cause new rotors to warp. = (
http://answers.yahoo.com/question/index?qid=200902...
The front rotors are out of round or warped, Need to have the rotors turned.
http://wiki.answers.com/Q/What_can_cause_Front_bra...
1. Determine if the pedal feels firm or mushy. A soft, mushy or spongy feeling could result from leaks in the brake lines. Examine the pedal to see if it slowly sinks which may indicate
http://www.ehow.com/how_4486736_diagnose-pulsating...
Hi Sheri, happy that you managed to sort out the problem. The operation of the ABS pulsates as you have described. It sends a small electrical charge to the management system, telling
http://www.fixya.com/cars/t13833393-cause_brakes_p...
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