Hi All,
I have a 99 GMC Sierra Z71 4X4, 5.3L, Auto, Short box
My ABS unit is activating prematurely, meaning when I depress the brake pedal, the ABS unit thinks I am really laying on the brakes and the unit should activate, I took it in to get it scanned, nothing abnormal came up on the computer for codes, the mechanic determined that the wheel sensors probably need cleaning (and\or) replacing
My question is...
Is this an expensive job? He told me that some trucks have the sensors built into the hub and if it can't be cleaned, the hub has to be replaced, he wasn't sure whether my truck was this type
Has anyone experienced this before? its going in next Tuesday to get fixed
PS, I already had replaced the whole ABS unit once on this truck in 2003, about 40K ago (very expensive)
Thanks in advance for your help (comments)
Brian