This seems like two different vehicles with two different problems. first the 1997 Ford Explorer- with new rotors and pad. I can almost guaranty that the rotor and pads that were replace are "after market" parts. If it is true,then the brake pad are at fault 95% of the time, the other 5% is the rotor. This because alot of after market parts are alot cheaper and are poorly manufactured out of cheap materials. I would recommend Motor-craft rotors and pads for this vehicle and that would take care of this problem. However if it is original parts on the car the dust shield on the hub may be to blamed, may have gotten bent into rotor during brake job. As far as ABS re-learn braking pattern that all BS that's absolutely 100% NOT TRUE. I am ASE certified in brakes and I never heard of such nonsense. As for the 1999 Explorer this problem is the ABS system applying it self prematurely. The sound that you feel on the pedal is when the ABS is active. Most common reason for this is a bad abs/wheel speed sensor, it could have gotten damaged during the brake job or grease or rust or something is between the sensor and sensor gear/ring. I have seen this many times before, just re-check everything. The abs becomes active because it detects a slip or brakes locking up or in your case maybe a false reading from sensor. Good luck and contact me if you need more help
Test my theory go ahead, On your truck the sensors are mounted in the hub assembly and you can remove without dismantling the whole system the rings are on your axles in the front. You may see a lot of metal particles attached to sensor because its basically a magnet or you may see dirt/grease on sensor. Good Luck
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Thanks for recognizing the difference on the 2 threads. Don't know how they got mixed up. I own the 99 and was wondering if i could test your theory by disconnecting the abs fuse. If it is the ABS, how do i change out the speed sensor or check to see if there is dust or grease. Where is the sensor and sensor gear ring? Would i have to take everything apart and re-install it again in order to check everything? Your help is greatly appreciated Shotta1. Thanks for for being so prompt with this last post.
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