Mopar 52070323AJ Wheel Bearing Hub Assembly

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If you're removing the axleshaft to replace the axleshaft seal or bearing, it's recommended to have the job done by a dealer service department or a qualified independent garage as replacing the seal or the bearing requires special tools. Start by loosening the wheel lug nuts, raising the vehicle and supporting it securely on jack stands, then remove the wheel. Next, remove the brake caliper and support it out of the way with wire, then remove the brake disc. On light-duty axles, remove the cotter pin and axle hub nut, while on heavy-duty models, bend the nut's collar out of the slot in the axle. Proceed to remove the hub-to-knuckle bolts and the hub bearing from the steering knuckle and axle-shaft. If the axleshaft splines stick in the hub, a two-jaw puller may be required to push the axle out. Carefully pull the axleshaft from the axle housing. On heavy-duty models, there is a large shim on the outer end of the axleshaft that must be retained. If the U-joint is worn, it can be replaced. For installation, clean the axleshaft and apply a thin film of wheel bearing grease to the shaft splines, seal contact surface and hub bore. Install the axleshaft, engaging the splines with the differential side gears, being careful not to damage the axle shaft oil seals. Install the hub bearing, the hub bearing-to-steering knuckle bolts and tighten them to the torque. Install the axleshaft washer and nut, tighten the nut to the torque, line-up the nut with the next cotter pin hole and install a new cotter pin. Install the brake disc and caliper, then install the wheel and hand tighten the wheel lug nuts. Remove the jack stands, lower the vehicle and tighten the wheel lug nuts to the torque.