K 2500 Suburban 4WD V8-5.7L VIN R (1999)
8. An up-in-rear frame angle must be subtracted from a negative caster reading (3).
9. Determine the caster (2, 3) angle.
10. Determine the camber (2, 3) angle.
11. If the caster and the camber angles are not within specifications, remove the frame bracket knockouts. Refer to Frame Bracket Knock Out
Removal.