GM 23130696
Knuckle, Driver Side

First, lift and appropriately support the vehicle in order to replace the Steering Knuckle. Take out the bearing-hub assembly, and then take out front lower control arm ball stud, and the outer Tie Rod End from the Steering Knuckle. Scribe the strut to the knuckle, and then undo the bolts and nuts that attach the strut to the knuckle and remove the knuckle from the vehicle. For installation, place the knuckle back to the vehicle, make sure to install the bolts and nuts that hold the strut to the knuckle and make sure they tighten at an angle of 120 nm (89 ft. Lbs.) of torque. Next, secure the outer tie rod to the Steering Knuckle and the front lower control arm ball stud to the knuckle. Mounting the front wheal driving shaft bearing, closing the vehicle, and finally the front wheal alignment check, adjusting if necessary.

To service and repair the Steering Knuckle you should firstly raise and properly support the car, and remove the tire and wheel assembly. Next is the removal of the front wheel drive shaft bearing. Then remove the front lower control arm ball stud-to-knuckle cotter pin and nut. Use the j 41820 ball joint/stud separator (J 41820) to separate the front lower control arm stud from the front Steering Knuckle and then use the j 24319-b universal steering linkage puller (J 24319-B) to pull the outer Tie Rod End from the Steering Knuckle. Remove the bolts connecting the strut to the knuckle before taking the knuckle out of the vehicle and scribe the strut to the knuckle. For installation, reinstall the knuckle to the vehicle and fasten the bolts that hold the strut on the knuckle, tightening them to 122 nm (90 ft. Lbs.). Then, install the outer tie rod to the Steering Knuckle and link the ball stud on the front lower control arm to the knuckle and fasten it using the front lower control arm ball stud nut, which should be tightened to 20 nm + 120° (15 ft. Lbs. + 120°). Position the slots in the nut with the cotter pin hole without loosening the nut. Put on the front lower control arm, ball stud, cotter pin, then the front wheel drive shaft bearing, after that the tire and wheel assembly. Finally, lower the vehicle.

Connect the outer tie rod to the steering knuckle and the front lower control arm ball stud to the knuckle.

Remove the bearing/hub assembly.

Raise and support the vehicle.

Position the knuckle back onto the vehicle and install the through bolts and nuts that attach the strut to the knuckle.

Ensure to follow the Fastener Notice in Service Precautions, then tighten the strut to knuckle bolts and nuts to 120 Nm (89 ft. lbs.).

Tighten them to 122 Nm (90 ft. lbs.).

Disconnect the front lower control arm ball stud and the outer tie rod end.

Place the knuckle back onto the vehicle and install the bolts connecting the strut to the knuckle, tightening them to 123 Nm (90 ft. lbs.).

The rear wheel spindle rods from the knuckle.

Connect the front lower control arm ball stud to the knuckle and install the front wheel drive shaft bearing.

Detach the outer tie rod end.

Place the knuckle back onto the vehicle and install the bolts and nuts that attach the strut to the knuckle, tightening them to 120 Nm (89 ft. lbs.).

Raise and suitably support the vehicle.

Position the knuckle back onto the vehicle and hand start the strut to knuckle bolts and nuts without tightening them.

The front lower control arm ball stud and the outer tie rod end.

Reinstall the outer tie rod to the steering knuckle.

The front lower control arm ball stud and the outer tie rod end.

The front lower control arm ball stud and the outer tie rod end.