First take the wheel off
Then take the caliper off the rotor
Then take the rotor off the CV joint spindle
You will need to remove the three bolts that hold the bearing in place.
You will either need to remove the two bolts that hold the strut or
you will need a Puller.
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It is entirely possible to have a bad replacement wheel bearing. There are many cheap ones available and I've found that you get what you pay for. I prefer Timken bearings myself. Also, the drive axle nut torque is critical in ensuring that you don't cause bearing failure. Too loose or too tight will cause bearings to fail in short order. The axle nut is not one that can be "shade tree torqued" by "grunt-power".
TO REMOVE FRONT WHEEL BEARING.YOU NEED TO SAFELY RAISE SUPPORT VECHICLE ON JACK STANDS.MAKE SURE SITTING ON LEVEL SOLID GROUND.BEFORE RAISING VECHICLE OFF GROUND YOU NEED TO LOOSEN HALF SHAFT AXLE NUT JUST A LITTLE BECAUSE WHEEL IN THE AIR HARD TO LOOSEN AXLE NUT WHEN YOU HAVE HOLD THE WHEEL WHILE LOOSEN THE AXLE NUT WHICH IS TORQUE ON ABOUT 200 FT LBS.USING A SIX POINT AXLE SOCKET SOCKET SIZE COULD BE 34 OR 35 METRIC 1/2 INCH SOCKET.YOU NEED 1/2 INCH BREAKER BAR.ONCE YOU LOOSEN AXLE NUT A LITTLE THEN RAISE VECHICLE THEN REMOVE WHEEL.THEN FINISHING REMOVING AXLE NUT AND WASHER.THEN REMOVE THE CALIPER FROM THE STEERING KNUCKLE AND SUPPORT IT ASIDE USING A PIECE OF WIRE.REMOVE BRAKE ROTOR.THEN REMOVE THE 3 HUB BEARING ASSEMBLY BOLTS. USE A SWIVEL SOCKET GOING TO BE HARD TO REACH SPOT WITH A REGULAR SOCKET. REMOVE THE HALF SHAFT FROM THE HUB BEARING ASSEMBLY.REMOVE HUB AND BEARING ASSEMBLY. PUT EVERY THING BACK VISA VERSA. TORQUE HUB BEARING BOLTS TO 70 FT LBS. TORQUE AXLE NUT 284 FT LBS IF YOUR CAR IS 1998 MODEL AND TORQUE AXLE NUT 100 FT LBS FOR THE 1999 TO 2001 MODELS.THE WHEEL HAS TO BE ON THE GROUND JUST ENOUGH TO KEEP IT FROM TURNING.DONT LET ALL THE CAR WEIGHT DOWN UNTIL YOU HAVE TORQUE WHEEL TO THE RIGHT TORQUE.LET ME KNOW IF YOU HAVE ANY PROBLEMS.
jack up vehicle wheel in question and install jack stand.remove wheel. Unbolt 2 caliper bracket bolts and pry caliper assembly up off brake rotor and hang off to the side with bungee.remove rotor . remove large axle nut. From the back of the hub remove hub bolts most commonly 15mm.Using a slide hammer style wheel puller the hub can be removed. if all you have is a big hammer hit the hub back and forth side to side until it can be removed. Bolt in new hub assembly and torque bolts.Install axle nut and torque. install rotor and caliper. reinstall wheel and torque.
you will need a big socket to remove the axle nut--about 20 mm or so. Other than that, I don't think so. Procedures from autozone.com below. it doesn't mention having to press bearing into hub.
Removal & Installation
Before servicing the vehicle, refer to the Precautions section.
Remove or disconnect the following:
Front wheelsHub nutBrake caliperRotorABS sensorWheel hub from steering knuckle and driveshaftWheel bearings
Install or connect the following:
Wheel bearing into hubWheel hub to steering knuckle and driveshaft; torque bolts to 41 ft. lbs. (56 Nm)ABS sensor; torque to 6 ft. lbs. (8 Nm)Brake rotor and caliperNew flanged hub nut; torque to 134 ft. lbs. (182 Nm)
Raise the front of the truck and support it with safety stands. Remove the wheels.
Remove the brake caliper and suspend it with wire, out of the way. Remove the caliper torque plate if equipped.
Remove the dust cap and then remove the cotter pin, lock washer (if equipped) nut lock and nut.
Pull the hub/disc assembly off the spindle with the outer bearing. Don't let the bearing fall out.
Pry the inner oil seal out and remove the inner bearing.
Clean and inspect the bearings and outer races.
Using a brass drift and a hammer, drive out the bearing outer race. Press a new one into position.
Pack the bearings with grease until it oozes out the other side. Coat the inside of the hub and cap with grease.
Position the inner bearing into the hub, coat the oil seal with grease and press it into the hub.
Press the hub assembly onto the spindle and install the outer bearing and thrust washer.
Install the hub nut. Turn the hub a few times to seat the bearings and then loosen the nut until there is 0mm axial play. Using a spring tension gauge, check that the preload (with new grease seal installed) is 2.2–6.4 lbs. (9.8–28.4N)
Install the lock-nut, new cotter pin and hub grease cap.
Install the brake torque plate. Install the brake caliper.
Install the wheels and lower the truck.
The hub and bearing service procedures for a 4wd models are basically the same as those for a 2wd version, with the exception of removing the free running hub assembly and the bearing preload adjustment. Refer to Sections 1 and 7 for additional information. Adjust the preload after the wheel bearing is replaced or the front axle assembly is reassembled.
BEARING PRELOAD ADJUSTMENT
Thoroughly clean all parts and pack the wheel bearings.
Apply grease to threaded portions of the spindle, grease seal lip and wheel hub.
Tighten the wheel bearing lock-nut with a socket and torque wrench to 58–72 ft. lbs. (78–98 Nm).
Rotate the hub in both directions a few times to seat the bearings. Loosen wheel bearing lock-nut.
Retighten the lock-nut to 0.4–1.1 ft. lbs. (0.5–1.5 Nm).
Turn wheel hub several times in both directions.
Retighten the lock-nut to 0.4–1.1 ft. lbs. (0.5–1.5 Nm).
Fig. 1: Exploded view of the front axle assembly — 2wd models
Fig. 2: Removing the bearing outer races
Fig. 3: Packing the wheel bearing with grease
Fig. 4: Pack the lip cavity of grease seal with grease
Fig. 5: Exploded view of the front axle assembly — 4wd models
Measure wheel bearing axial end-play. The wheel bearing end-play specification is 0.
Install lock washer by tightening the lock-nut within 15–30 degrees.
Turn wheel hub several times in both directions. Wheel bearing should be seated correctly.
If necessary, measure wheel bearing preload.
NOTE: Measure wheel bearing preload with a spring-type gauge; measure at wheel hub bolt, with tire removed. The hub assembly should rotate with 1.6–4.7 lbs. (0.73–2.13 kg) of pressure.
front bearing wheel nut holding axle on? 115 foot pounds and hammer in or crimp the nut after tightening. ^ like shape into slot of axle this locks the axle. for the wheel bearing for rear wheel drive the nut should be tightened by hand till tight 15 foot pounds then backed off 1/4 turn, be sure there is plenty of grees in the bearing cup before tighting nut be sure to line up slot for key with rotor on the rotor should turn free and should not have any slop in it, put the wheel on it and put the nuts on and try wiggleing the wheel back and forth if any movement readuast nut. If it is to tight it will over heat outter wheel bearing, also be sure there is greese in inner wheel bearing.
About an hour a side...This is the whole job and pictures....
The hub and wheel bearing unit is serviced as a complete assembly. Replacement of the front drive hub and bearing assembly can be done without having to remove the steering knuckle from the vehicle. However, if the hub/bearing assembly is frozen to the steering knuckle, removal of the steering knuckle is required.
Disconnect the negative battery cable.
Remove the cotter pin from the end of the stub axle. Remove the nut lock and spring washer. With the brakes applied, loosen, but do NOT remove the axle nut and washer with the vehicle still on the ground or damage to the wheel bearing will result.
Raise and safely support the vehicle. Remove the wheel.
Remove the front brake caliper assembly from the steering knuckle assembly and support from the strut assembly using a strong piece of wire.
Remove the front brake rotor from the hub/bearing assembly.
Remove the retaining nut and washer from the halfshaft stub axle.
Remove the ABS wheel speed sensor from the steering knuckle.
Remove the 4 hub and bearing assembly mounting bolts from behind the steering knuckle.
Remove the hub and bearing assembly from the steering knuckle.
Thoroughly clean the mating surfaces of the steering knuckle and the hub and bearing assembly of any foreign material or nicks so the surfaces are clean and smooth.
Install the new hub and bearing assembly and tighten the mounting bolts in a crisscross pattern to 45 ft. lbs. (65 Nm). Be sure the hub and bearing assembly is seated squarely against the front steering knuckle.
Install the disc brake rotor.
Install the brake caliper assembly onto the steering knuckle.
Install the axle washer and nut. Tighten but do not torque.
Install the ABS wheel speed sensor.
Install the wheel and lug nuts. Torque the lug nuts, in sequence, to 95 ft. lbs. (129 Nm).
Lower the vehicle. Do NOT roll the vehicle until the axle nut has been properly torqued or damage to the front wheel bearings will result.
With the vehicle's brakes applied, torque the axle nut to 180 ft. lbs. (244 Nm). Install the spring washer, nut lock and a new cotter pin. Wrap the cotter pin prongs tightly around the axle nut lock.
Reconnect the negative battery cable. Check the wheel alignment.
The hub/bearing assembly is attached to the steering knuckle with four bolts
Removing a hub/bearing assembly
If the hub/bearing is "frozen" to the steering knuckle, separate the ball joint and lightly tap on the hub/bearing from behind
The hub/bearing assembly should free itself from the steering knuckle