C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
3. Support the control arm with a safety stand.
4. Disconnect the Electronic Suspension Control (ESC) link rod from the sensor, if equipped.
5. Unload the torsion bars. Refer to Torsion Bar Replacement.
6. Remove the wheel hub and bearing assembly.
7. Remove the outer tie rod to the steering knuckle.
8. Remove the brake hose bracket retaining bolt from the steering knuckle.
9. Remove the upper control arm retaining nut and separate the upper ball joint from the steering knuckle using the J 43631 and J 45851.