No abs light was on then changed right side wheel hub an new roter and brake shoes did everything started the truck and now the abs light is on tryed to take battery off to reset computor but did not work
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Re: 2000 2500 gmc pick up
The abs light has to be reset by a scan tool.It should not have come on unless the new wheel speed sensor is faulty or you forgot to plug it back in or you turned the key on while the sensor was unpluged.Double check your work before having it reset.Good Luck!!!!!
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Fist pull the code from your onboard computer with a OB2 scanner, that will give you the best clue, then clean and check your wheel sensors especially on the front axle. Then have the abs module checked. Most likely it is the wheel sensors, If you have a lot of brake wear they could be dirty or miss gapped, I would start there
look under the truck at the ****** and check the wiring to the sensors if good may be a bad sensor,also check the wiring and connections to the abs wheel sensors [ located from frame to the hub behind the rotors ] the abs also acts as speed sensor if problem was with an abs sensor at the[ hub] wheel usually set the brake system to normal power brakes [if u hit brakes hard will lock up or skid wheels] with the abs light coming on if the speed sensor at ****** malfunction can and usually causes shift problems
There are ABS wheel speed sensors on the front wheels behind the hubs. It is possible if the hub where replaced either the pick up ring mounted to the hub itself was not installed or might have purchase non abs hubs or they just did not switch the wheel speed pickup ring on the new hub. Another thing could be either the wheel speed sensors are mis adjusted or when they replaced the hubs they hung the spindle by the abs wire and either pulled it out of socket or messed up the wires internally. Here is a basic abs system http://www.ehow.com/how_8511860_diagnose-abs-brakes.html if you have any other questions please let me know. Also please leave good feedback.
the problem your having is most definatly abs. The speed rings on the hub at times can get a hair line crack, this causes intermitten issues like your discussing. Since you noted right pull? Thats the ring i would have checked first
Good chance that the ABS sensor are dirty or the lead wires are corroded. The common ABS sensor that goes bad 95% of the time are the front ABS sensors and there located on the inner wheel hub.
Pull the front wheel off and inspect the ABS sensor on the inside of the wheel hub for any damages and the ABS lead wire to the ABS. Use Brake parts cleaner to spray any dirt that has accumulated on the sensors it self. At worst, your going to have to replace the sensor and that can be picked up at Auto Zone and they will have the instruction for you to get the job done.
Thank you for using fixya and be safe
Inspect the ABS sensor on the front wheels, make sure that there is no damage to the wire leads and that the ABS sensor is not damaged or touching the speed ring on the front wheel hub. You may be luck and the ABS sensor is dirty, it can be cleaned with a good spray of brake parts cleaner and make sure the ABS is not loose from the mounting bracket on the hub. Good luck and keep me posted.
There's speed sensors at each wheel. You may have got some contamination in front of one of them... sounds like the abs is trying to compensate for un equal speed at each wheel... and something may be blocking a proper read at one of the wheels...