Upper Ball Joint Installation - Chevrolet Trailblazer Service Manual

To Install:
1. Use a J 9519-E ball joint remover and installer, J21474-01 control arm bushing set,
and J 45117 ball joint installation spacer to install the upper ball joint onto the
steering knuckle.
2. Install the retaining clip onto the upper ball joint.
3. Install the steering knuckle onto the vehicle.
4. Install the wheel onto the vehicle.
5. Lower the vehicle.
6. Check the alignment of the front wheels.

Upper ball joint installation