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will require replacement. Do not attempt to disas- Damaged bearing seals and the resulting excessive grease loss may also require bearing replacement. To diagnose a bent hub, (Refer to 5 - BRAKES/HY- DRAULIC/MECHANICAL/ROTORS - DIAGNOSIS AND TESTING) for the procedure on measuring hub REMOVAL The wheel bearing and hub are pressed into the knuckle. (Refer to 2 - SUSPENSION/FRONT/ KNUCKLE - REMOVAL) INSTALLATION The wheel bearing and hub are pressed into the knuckle. (Refer to 2 - SUSPENSION/FRONT/ KNUCKLE - INSTALLATION) KNUCKLE DESCRIPTION The steering knuckle is a single casting with legs machined for attachment to the front strut assembly The knuckle supports the wheel bearing and hub (Fig. 1). The wheel hub is pressed into a sealed-for- The wheel bearing is a Unit 1 type cartridge bear- ing that requires no maintenance. The wheel bearing The hub has five studs pressed into its flange. OPERATION The steering knuckle pivots with the strut assem- bly between the lower ball joint and the pivot bearing The center of the knuckle supports the hub, wheel bearing and axle shaft. The hub and wheel bearing work together. The wheel bearing has internal bearings that allow the DIAGNOSIS AND TESTING - STEERING The front suspension steering knuckle is not a repairable component of the front suspension. It REMOVAL NOTE: Before proceeding with this procedure, (1) Apply the brakes and hold in place. MAINTENANCE/HOISTING - STANDARD PROCE- (3) Remove the front tire and wheel assembly. (Refer to 22 - TIRES/WHEELS - REMOVAL) (4) Remove the cotter pin, lock nut and spring washer from the hub nut (Fig. 2). (5) While the brakes are applied, loosen and remove the hub nut (Fig. 2). (6) Release the brakes. front disc brake caliper to the steering knuckle (Fig. (8) Remove the disc brake caliper from the steer- ing knuckle. The caliper is removed by first tipping Fig. 2 Hub Nut 1 - HUB NUT 2 - 6 FRONT SUSPENSION PL/SRT-4 HUB / BEARING (Continued) |