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Left front abs brake locking up on dry pavement and pedal goes to floor, also making a grinding noise almost like wheel rubbing on wheel well but its not. i have new brakes and rotors put on 2 months ago and they look good
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Sounds like left front loose wheel bearing knocking ABS sensor out of range causing ABS light to come on and causing grind noise at same location. Grinding noise is probably rotor rubbing on calipar.
gm had a problem with the abs systems on their 1999 trucks and cars the sensor seat would corrode and move slightly enough to set off the low speed sensor of the abs usually goes off at 5mph and less and doesnt set off the abs trouble code need to remove the front wheels and brake assembly to access the hub and abs sensor also check hub to make sure its ok- in the mean time pull the fuse on the abs ur brakes will go to a normal brake without the abs meaning if u step on brake hard[panic brake] u can lock up tires
RAISE TRUCK SAFELY, SUPPORT WITH JACK STANDS GRAB WHEEL TOP AND BOTTOM.TRY SHAKING THE WHEEL IF WHEEL MOVES WHEN YOU GBAB IT TOP AND BOTTOM. YOU HAVE A BAD WHEEL.IF WHEEL GOOD SOLID DONT MOVE.WHEEL CALIPER SEIZING UP.IF YOU SEE ABS WARNING LIGHT A FAULTY WHEEL SENSOR WILL CAUSE THE FRONT WHEEL LOCK UP.
Joe it is common for the brakes to moan when they wear down and sometimes they will squeak, try replacing the front pads and lubing the shafts on the calipers install anti squeal on the back of the pads, the ABS device would not cause noise as they are just a ring with a magnet and the reluctor ring spins and the magnet detects the spinning of the reluctor ring, they don't even touch and are stationary in place where they are mounted. There is a possibility that the brake fluid is dirty and could cause the abs motor to groan but you would just have to flush the system, When you don't put your foot in it on the brakes it will make some noise even new, I have a 2008 ford ranger that makes the same noise and the brakes are fine. You will have to adjust your braking habits to stop the noise. You can change the pads and that will help but not for long, be sure when you are operating your brakes press firmly on the pedal until you stop. If the brakes make noise after you let up on the pedal then the caliper parts need to be cleaned and lubed, however it is not a safety issue.
Well the abs light reads wheel speed sensors located behind the rotors you will see a little wheel with notchs in it and when reads as if the wheel is locked up it will activate the abs i would inspect those sensors for damage possible one got bent or has junk on it interfearing with the signal and take it back to the place that did the brake job hope this helps
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