Yukon XL 2500 4WD V8 Steering and Suspension: Ball Joint Specifications
Ball Joint: Specifications
Lower Ball Joint
The dial indicator reading should be no more than 2 mm (0.079 inch). If the reading is out of specification, replace the ball joint.
Upper Ball Joint
The dial indicator reading should be no more than 2 mm (0.079 inch). If the reading is too high, replace the upper control arm.