Caster Adjustment
WARNING: This page is about a different car, the 1987 Jeep Pickup and 1987 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
Caster adjustment is made by inserting shims between spring and axle. To increase caster, insert thick portion of shim toward rear of vehicle. To decrease caster, insert thick portion of shim toward front of vehicle.
Courtesy of AMERICAN MOTORS/JEEP CORP.