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Hub and BearingRemoval & InstallationNOTE: The removal and installation of the wheel bearing and hub from the steering knuckle is only to be done with the steering knuckle removed from the vehicle To Remove:
Remove the steering knuckle and hub and bearing assembly.
Remove a wheel lug stud from the hub flange using a C-clamp and Adapter Tool 4150A or equivalent.
Rotate the hub to align the removed lug stud with the notch in the bearing retainer plate.
Use a proper C-clamp and adapter tool to press out one of the lug studs
Rotate the hub in order to remove the lug stud
Rotate the hub so the stud hole is facing away from the brake caliper's lower rail on the steering knuckle.
Install ½ of a Bearing Splitter Tool 1130 or equivalent between the hub and the bearing retainer plate. The threaded hole in this ½ is to be aligned with the caliper rail on the steering knuckle.
Install the remaining pieces of the bearing splitter on the steering knuckle. Hand-tighten the nuts to hold the splitter in place on the knuckle.
Proper installation of the bearing splitter
When the bearing splitter is installed, be sure the 3 bolts attaching the bearing retainer plate to the knuckle are contacting the bearing splitter. The bearing retainer plate should not support the knuckle or contact the splitter.
Place the steering knuckle in a hydraulic press, supported by the bearing splitter.
Properly support the steering knuckle for hub and bearing removal
Position a driver on the small end of the hub. Using the press, remove the hub from the wheel bearing. The outer bearing race will come out of the wheel bearing when the hub is pressed out of the bearing.
Remove the bearing splitter tool from the knuckle.
Place the knuckle in a press supported by the press block. The blocks must not obstruct the bore in the steering knuckle so the wheel bearing can be pressed out of the knuckle. Place a driver on the outer race of the wheel bearing, and then press the bearing out of the knuckle.
Install the bearing splitter on the hub. The splitter is to be installed on the hub so it is between the flange of the hub and the bearing race on the hub. Place the hub, bearing race and splitter in a press. Use a driver to press the hub out of the bearing race.
Use clean, dry cloth to wipe and grease or dirt from the bore of the steering knuckle.
Clean the rust preventative from the replacement wheel bearing using a clean, dry towel.
Place the new wheel bearing into the bore of the steering knuckle. Be sure the bearing is placed squarely into the bore. Place the knuckle in a press with a receiver tool, C-4698-2 or equivalent supporting the steering knuckle. Place a driver tool on the outer race of the wheel bearing. Press the wheel bearing into the steering knuckle until it is fully bottomed in the bore of the steering knuckle.
NOTE: Only the original or original equipment replacement bolts should be used to mounting the bearing retainer to the knuckle. If a bolt requires replacement when installing the bearing retainer plate, be sure to get the proper type of replacement.
Install the bearing retainer plate on the steering knuckle. Install the 3 bearing retainer mounting bolts. Torque the bolts to 21 ft-lbs (28 Nm).
Install the removed wheel lug stud into the hub flange.
Place the hub with the lug stud installed, in a press supported by Adapter Tool C-4698-1 or equivalent. Press the wheel lug stud into the hub flange until it is fully seated against the back side on the hub flange.
Place the steering knuckle with the wheel bearing installed, in a press with special Receiver Tool MB-990799 or equivalent supporting the inner race of the wheel bearing. Place the hub in the wheel bearing, making sure it is square with the bearing. Press the hub into the wheel bearing until it is fully bottomed in the wheel bearing.
the dash panel is snapped into place and the radio is either bolted in or snaps in.The problem is the radio,if original equipment,has to be programed by the dealer or it will not work.GM and others have done this to discourage theft.