Have seen quite a few fords that the abs ring cracks and the ring hits the sensor or spindle,making a lot of nasty noises.Should be able to see it without any disassembly. I don't think you can just get the ring without replacing the axle.
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.
SOURCE: 2004 Ford Explorer ABS light on constantly and
I just had the same exact problem. The ABS light was on constanly, and the 4x4 high light flashes about 8 times, turns off for about 2-5 minutes, then flashes again for another 8 times and keeps repeating. In addition, I was also hearing and feeling a grinding and clunking noise going in reverse, and the steering wheel was difficult to turn. I changed a bad hub assembly on the front driver side and everything went away...fixed! I wouldn't let anybody tell me that the ABS system and the 4x4 system are not linked together. In fact, my local Ford service department assured me that I had two separate issues. Well, I only had one issue and it was a bad ABS sensor. I hope my exprience helps you.
SOURCE: ABS light on 2003 ford explorer stays on
It could be a wheel speed sensor. have your brakes inspected. good luck
The bearings on the wheels has to be installed one way only, the rotor ring is built into the bearing and if installed the wrong way round the sensor cant pick up the wheel speed causing the ligt to be switched on in the cluster. The diagnostic equipment should pick this up as a fault once the car has been driven, it will see the sensor when you do the diagnostic if the car is standing still but once the car is moving and no signal is send from that wheel it would register a fault into the memory of the PCM that you would be able to retrieve later.
There is a way for you to test the sensor yourself by using a multimeter set on volts, you jack the vehicle up at that wheel, install a vehicle stand to support the vehicle to be safe, disconect the wheel speed sensor and probe the two wires into the sensor, spin the wheel by hand and a small amount of current will be produced meaning the the sensor is working and the wheel bearing is installed the correct way, you can also do a continuaty test on the sensor by switching the multimeter onto ohms, but be very carefull, if this sensor has three wires you cant do the continuaty test because of the integrated circuit in the sensor, the three wire sensors opperate on a voltage from 5Volt and it would be destroyed by the multimeter opperating on 9Volt.
If the continuaty test passes and the bearing is installed the correct way, the most comon fault would be a break in the wiring leading to the PCM
Hope this will be helpfull.
SOURCE: My abs light is on my 2003 ford explorer and when
possibility you have worn brake shoe or disc have the check if none of those check abs sensor cable
SOURCE: 1996 Ford Explorer XLT abs light comes on on
The ABS light is for the Anti-lock Braking System. The MIL will illuminate if there is a difference in wheel speed sensors signals to the PCM. So you might have a wheel speed sensor that is going out on you. Does the light come on at low speeds, or just higway speeds? You could take the vehicle to a local parts store and have them pull the codes for you and that will tell you which speed sensor is out of whack. Also road grime, dirt and gunk buildup can cause speed sensors to give false readings. Hope tihs helps you out.......
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