ABS Brakes

99 ranger 4 wheel drive w/only 32,000 miles on it ...Well after doing some looking this is what i found.... between the master cylinder and the booster there seems to be some fluid leeking this to me would mean that if fluid is leaking out air must be getting in....would this cause my brakes in the last 5 feet of stoppng the ABS would kick in ???? It's a smooth stop from 70 to 0 IT'S not warped rotors..
so what i'm asking is would air in the systems cause the ABS not to work right???????????

the problem you are talking about is caused by a bad speed sensor, most problably a front on this vehicle, the air gap has gotten to big probably due to rust under the sensor mount on the hub, at low speeds it looses the signal and causes the system to think that wheel has locked up

the problem you are talking about is caused by a bad speed sensor, most problably a front on this vehicle, the air gap has gotten to big probably due to rust under the sensor mount on the hub, at low speeds it looses the signal and causes the system to think that wheel has locked up

the truck does have alot of rust on the frame and hubs.....If i take the sensors of the front hubs (where they are ) and sanded them down (the hubs) do you think it would help??? or am i looking at buying new sensors??? thanks for the help ........Tim....

you can try - but I've found that most of the time the sensors don't come out in one piece