IHC W/Coil Spring: Caster
Caster is controlled by eccentric bolts which mount upper control arm to frame. To obtain positive caster, loosen forward eccentric bolt lock nut and turn eccentric bolt to force forward part of control arm outward, or loosen rear eccentric bolt lock nut and turn eccentric bolt to pull rear of control arm inward. To obtain negative caster, loosen eccentric bolt lock nut and turn forward eccentric bolt to pull front part of control arm inward, or loosen rear eccentric bolt lock nut and turn bolt to force rear of control arm outward. Tighten eccentric bolt lock nut 65-75 ft. lbs.