Left front wheel bearing 4x4 abs
Remove the axle nut. Put a punch in the fins of the rotor to keep the hub from spinning.
Remove the caliper and the rotor.
Unplu the abs harness.
Remove the three bolts that hold the hub to the knuckle.
Remove the hub/bearing from the knuckle.
Reverse to install. Make sure you torque the three bolts that hold the bearing to the knuckle and the axle nut to the correct torques spec. Failure to do so will cause premature bearing failure.
Also use a good quality bearing. SKF is a good brand.
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SOURCE: abs light and trac off light on
I had the same problem - it has to do with your front hub. Probably best to take into the dealership
SOURCE: 2002 ford explorer front wheel bearing assembly
remove hub ,take retaining circlip out and knock it out with a big big hammer supporting it on an old wheel rim and a tree trunk.this job is easy to do but unless you have the right tools entrust it to a garage who will have a nice press .
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: wheel bearing noise
from my experience I would replace them rather than trying to service the old ones, I had one fail completely after i had it "Serviced"
SOURCE: replace rear wheel bearing 2002 ford explorer 4x4
you must remove brakes, then remove axle nut, then remove upper control arm and finally tie rod stabilizer, remove axle from car then bearing can be accessed. this is a difficult job that requires special tools so be careful
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