WARNING: This page is about a different car, the 1986 Isuzu Trooper II, 1986 Isuzu Pickup, 1986 Isuzu Impulse, and 1986 Isuzu I-Mark. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Caster adjustment. to adjust caster, lengthen or shorten strut rod as shown.
Fig 2: Camber adjustment. Rotate pivot shaft or add shims to adjust camber angle.
Fig 3: Camber & Caster adjustments. To increase/decrease caster angle, move shims from one side to the other. To adjust camber, change shims equally from side to side.