How do you adjust the caster camber on a 1993 GMC Vandura 2500?

To adjust the caster and camber on a 1993 GMC Vandura 2500, you will need to use a camber/caster gauge or alignment machine. For camber, adjust the upper control arm's bolts to tilt the wheel in or out as needed. Caster adjustment typically involves repositioning the control arm or using offset bushings, as it's not easily adjustable with factory components. Always ensure to check and adjust the alignment after making any changes.