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paulrice
User
Jan 5, 2012, 1:12 PM
Post #1 of 2
(1333 views)
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1997 gmc 1500 4wd when stepping on brake sometimes i get a buzzing noise or apulsating as if i was skidding it doesnt happen all the time i changed the two front calipers because they were frozen but the noise is still there no ABS light is on maybe a sensor ? if so i think it is whithin the bearing?
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 5, 2012, 5:01 PM
Post #2 of 2
(1294 views)
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That is your ABS activating. That will be due to an inaccurate wheel speed sensor in one of the wheel. In the front they are built intop the hub bearing and they fail all the time. you will need a ABS scan tool to read the codes to find out which wheel.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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