Question about 2002 Pontiac Grand Prix
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Posted on Jan 02, 2017
SOURCE: 2000 pontiac grand am se
I asked the mechanic when I got the new tires put on and he said this could be 'fixed' by repacking the bearings. This is plausible if one or more are dragging and causing the sensors to detect too much variation in the speeds.
Since the new tires have been on, only a few errors and not any lately even with a sharp turn. The temperature seems to have an effect.
i will ask more mechanics in the next few weeks and report.
Posted on Nov 05, 2008
Here are the major components for the ABS system. The most common problem I see is the wheel bearing becoming loose. The wheel speed sensor is located in the wheel bearing.
Posted on Feb 07, 2009
You may have a bad wheel sensor or broken ABS sensor wire.
Go to Auto Zone or Parts source and they can scan the computer on your can for free.
If the computer detected any one of the sensor going bad or is bad, it may be in the memory and you'll know if it is the ABS sensor or the ABS module it self.
Good luck and hope this can save you some money. I had the same problem and it was my wheel bearing going bad which messed up my ABS sensor.
Posted on May 07, 2009
the most common thing that causes this problem, other than spinning in mud, is a wheel speed sensor. the best thing for you to do is get your car scanned. autozone offers free scanning. i have seen many hub bearings go bad, come loose and cause this. if the problem comes and goes the hub is likely the culprit. i have also seen cracked abs rings cause this at higher speeds, i have also seen the harness running to the rear wheels torn out from running over tree limbs. i would definitely start with a scan to narrow down possibilities and save you money done by guess work. you can try jacking up each wheel and shaking to ensure that all bearings are tight. if you have access to a oscilloscope you can backprobe each sensor while spinning the wheel and find which one is breaking down.. hope this was helpful... dustang
Posted on May 09, 2009
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