TM 10-3930-669-34 VISUAL INSPECTION (1) Remove differential cover and side gear (Para 10-4). (2) Inspect  differential  case  pins  for  looseness   and damage. (a) If  differential  case  pins  are  missing,  loose, or damaged, replace drive axle (Para 10-2). (b) If   differential   case   pins   are   not   missing, loose, or damaged, pins are OK 2-85