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2002 GMC Yukon, SLE, 2 wheel drive. ABS activates at slow

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2002 GMC Yukon, SLE,*****...
2002 GMC Yukon, SLE,***** ABS activates at slow speeds while making a stop, never in a turn. No traction or ABS light illuminates. All while driving on dry roads. Wheel speed sensors cleaned @ GM dealership. Still acting up. Do I need a new wheel hub or two?
Vehicle not listed on recall list.
Signed, Frazzled.
Submitted: 1 year ago.Category: GMC
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Answered in 9 minutes by:
2/17/2016
GMC Mechanic: Kevin, Auto Mechanic replied 1 year ago
Kevin
Kevin, Auto Mechanic
Category: GMC
Satisfied Customers: 2,433
Experience: Diagnostic technician
Verified

Hi im kevin this is normally an indication that the car is confused as to actual wheel speed .normally there is a slight difference in speed between one side of car to the other when braking .this 9/10 is caused by a brojen or damaged relucter ring rather than speed sensor .basically the reluctor ring is the part the speed sensor reads from and these can break giving a poor reading in one point .at speed making no difference but at low speed braking tends to show up

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Kevin
Kevin
Kevin, Auto Mechanic
Category: GMC
Satisfied Customers: 2,433
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