Caster Adjustment
WARNING: This page is about a different car, the 1996 Chevrolet Caprice and 1996 Buick Roadmaster. However, it is still accessible from the selected car via links, so may be relevant.
Remove, add or transfer shims at bolts securing upper control arm shaft to frame. See Figure . One shim pack can be thicker than the other, but not by more than .40" (10.2 mm).