Chevrolet Trailblazer Service Manual page 526

12. Use a J 43631 ball joint remover to disconnect the lower ball joint from the steering
knuckle.
13. Remove the steering knuckle from the vehicle.
To Install:
1. Install the steering knuckle onto the lower control arm.
2. Install a new retaining nut onto the lower ball joint. Torque the nut to 81 ft-lb (110
Nm).
3. Install the steering knuckle onto the upper control arm.
4. Install a new nut and bolt into the upper control arm pinch. Torque the nut to 30 ft-
lb (40 Nm).
5. Attach the wheel speed sensor to the steering knuckle.
6. Attach the brake hose bracket to the steering knuckle. Torque the nut to 89 in-lb
(10 Nm).
7. Install the outer tie rod onto the steering knuckle.
8. Install a new retaining nut into the outer tie rod end. Torque the nut to 44 ft-lb (60
Nm).
9. Install the hub and bearing onto the steering knuckle.
10. Install the wheel onto the vehicle.
11. Lower the vehicle.
12. For vehicles with 4WD, install the nut onto the drive axle. Torque the nut the 103 ft-
lb (140 Nm).
13. Check the alignment of the front wheels.
Lower ball joint removal