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Re: replacing rear wheel bearings on 1999 hyundai sonata
for drum brakes with sealed hub(all one piece) remove lug nuts and wheel.
spray penetrating oil around studs if there is a big phillips head screw visible remove it with impact driver/if not use big ballpeen hammer ,tap on flat of drum near studs(becareful not to hit them) until drum loosens(your creating a shockwave to loosen rust)
once drum is off there are 4-bolts coming in from behind backing plate, remove them then hub should be able to be removed w/a little persuation from hammer.
with out sealed hub ,
remove dust cap,cotterpin,star washer(if equipped) do not re use cotter pin
remove nut then washer, wiggle brake drum and front bearing will come out.
put nut on shaft tighten 2-3 turns grab drum by sides and pull towards you this should remove drum leaving inner bearing/seal on shaft
to replace reverse procedure making sure to pack new bearings w/grease(take drum and use long punch to remove bearing races, use race/seal installer to install new races
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Rear wheel bearing should not be very much. Front would be considerably more. Find a reputable mechanic with a reasonable shop rate. STAY AWAY from car dealerships , they always , always , always overcharge.
the rear wheel bearing is part of the rear hub and not serviceable the hub itself needs to be replaced, its fairly simple, and not that expensive,you must remove the brake caliper and rotor to remove it.
drum brakes you remove rear wheel- speed sensor-grease cap-flange nut-outer bearing-brake drum-inner grease seal-inner bearing-drive the bearing races out of the drum hub.to install -install the inner and outer bearing races.apply grease to the bearings and hub cavity.then you install the inner bearing -inner grease seal-brake drum-outer bearing-flange nut torque it to 159 to 192 ft lbs. THE REAR DISC BRAKE WHEEL BEARINGS-you have to remove rear wheel -wheel speed sensor-brake caliper and rotor-rear axle hub bolts-tone the wheel with tool 09445-21000-carrier assembly-nut after unstaking it-press out the rear axle hub-remove the bearing inner race with tool 09445-21000-remove the bushings from the carrier with tools 09453-33000b and 09545-21100.to install -press in the bushings to the carrier with tools 09453-33000b and 09545-21100- press in the bearings to the hub with tool 09221-21000.tighten the flange nut to meet the concave portion of the spindle-press in the tone wheel with tool 09221-21000-torque the nut to 191 ft lbs -install the hub and bearing assembly to the backing plate and torque the bolts to 88 ft lbs-install the brake caliper and rotor.install the wheel speed sensor if equipped.install the rear wheel.TO BUY THE TOOLS TO DO THE JOB.LOOK UP KENT MOORE TOOLS ON INTERNET.