YA4160 144173 SPRING: 21040-29 Cleaned (standard - included). Performed service. Seal heads rebuilt, or replaced as needed. Shims inspected and replaced as needed. Shaft inspected/polished, or replaced as needed. Replaced functional seals. Refilled with fresh oil. Set nitrogen pressure to spec. Customer stated that he ran over a 4X4 in the road and bent frontr/rear tire rims. Customer reqested inspect for any abnormal/excessive impact damage. Tech inspected internal/external components and found no sign of abnormal/excessive impact damage. TIWI