Yukon XL 2500 2WD V8-8.1L VIN G (2004)
8. Remove the retaining nut and separate the upper ball joint from the steering knuckle using the J43631 and J45851.
9. Remove the retaining nut and separate the lower ball joint from the steering knuckle using the J43631 and J45851.
10. Remove the steering knuckle.
Installation Procedure