Question about 2002 Oldsmobile Alero
Check wireing from wheel to harness, front both sides.I found a bad wire on my left side.
Posted on Jun 12, 2010
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Posted on Jan 02, 2017
I suspect that your problem lies within the vehicle's ECC (Engine Control Computer). Prior to replacing it or having it tested, I would try re-setting it. You can do this by pulling the fuse (for good measure) to the ECC and disconnecting the negative battery terminal for thirty seconds.
During the time you have the power disconnected to the ECC, I would go ahead and check all the connections (make sure they're not only connected firmly, but also free of corosion). Electronic connector cleaner and a soft bronze brush (available at electronic supply stores) can be used to clean the connectors if necessary. After cleaning the connection, coat the wire ends with dielectric compound if it was used previously.
I believe the ECC for your vehicle is mounted under the hood on the passenger side wheelwell (front side of the strut tower).
Hope this helps and good luck!
Posted on Jan 12, 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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