I have a 2000 F250 4x4. Acouple of weeks ago on my way home from work during a torrential rain I hit a huge puddle. The wheel got yanked from my hands. A few days later the truck started to pull hard to the right. I took it in thinking the alignment was out. They told me the calipers were seized and I needed a brake job. I had the complete brake job done and now what happens is strange. It feels like the the brakes are alternately grabbing on their own back and forth. One side will grab , then let off and then the other side. I have brought it back to the shop three times to no avail. Could it be the ABS sensors ? When driving you can see it in the wheel when the brakes are doing their thing. Any ideas would be most appreciated.