To replace the Steering Knuckle under coil spring suspension in a vehicle, lift the vehicle and support it with a jack, after lifting the tire and wheel to remove it. Jack up the vehicle and support the lower
Control Arm, remove the Wheel Hub and bearing. Remove the electronic suspension control (ESC) link rod from the sensor if equipped and the low tie rod from the knuckle. Take out the brake hose bracket retaining bolt from the knuckle, then using the j 43631
Ball Joint remover and j 45851 Ball Joint separator protector adapters along with removing the retaining nut and separate the upper Ball Joint from the Steering Knuckle and then on to the lower Ball Joint. After removing Steering Knuckle, clean all grease and contaminants from the section with taper in the upper Ball Joint, lower Ball Joint, and the end of tie rod and observe the taper holes and mounting face of Steering Knuckle. Replace the Steering Knuckle if there are elongated, out of round or damaged tapered holes. Install the Steering Knuckle, attach the lower Ball Joint to it, and install the retaining nut and tighten to 100nm (74ft. Lbs.). Mount the upper Ball Joint to the Steering Knuckle and set its retaining nut, torque it to 50 nm (37 ft. Lbs.). Mount the brake hose bracket retaining bolt onto the knuckle while applying a tightening force of 9 nm (80 inch lbs), after which fix the outer tie rod onto Steering Knuckle and Wheel Hub and the bearing. If so, connect the esc link rod to the sensor and install tire and wheel, remove the safety stands, and lower the vehicle.