In servicing and repairing the Steering Knuckle, one should start by lifting and supporting the vehicle. Take off the tire and wheel assembly, then the brake caliper, caliper carrier, and rotor. For abs equipped vehicles, unplug the
Wheel Speed Sensor electrical connector and remove Wheel Speed Sensor from the knuckle with one bolt. Unstake and remove drive axle nut and washer. If you are going to replace the knuckle, remove the hub with two wheel nuts, the wheel hub remover (J 34866), and the slide hammer (J2619-01). Take away the cotter pin and castle nut from the
Tie Rod End before removing the Tie Rod End from the knuckle using the ball joint remover (J21687-02). Then pull the ball stud nut and bolt to disconnect the ball joint from the knuckle and the two strut-to-knuckle bolts and nuts to remove the Steering Knuckle. For installation, dust the outside of the hub shaft with a light coat of wheel bearing grease, gm p/n 1051344. If for example you are fitting a new knuckle, fit the hub and outer bearing to it. Secure the Steering Knuckle to the strut with the help of two strut tethering bolts as well as nuts that must be tightened to 80 nm (59 ft. Lbs.). Mount the ball stud to the knuckle with the bolt and nut, and tighten up to 60 nm (44 ft. Lbs.). Finally, attach the Tie Rod End to the knuckle using the castle nut and cotter pin, toronto the castle nut to 43 nm (32 ft. Lbs.). Put on the wheel drive shaft nut and washer, and secure the brake rotor, caliper carrier, and caliper. Do not over tighten the drive axle nut to 175 nm (129 ft. Lbs.) and stake it with a hammer and punch. Rejoin the wheel speed electrical connector and slide the Wheel Speed Sensor onto the knuckle and bolt it into place using one bolt and tighten to 10 nm (89 inch lbs.). Finally, install the tire and wheel assembly and lower the vehicle.