TM  10-3930-638-24&P 3-18.   AXLES   AND   DIFFERENTIAL   CARRIER   ASSEMBLIES   TROUBLESHOOTING MALFUNCTION TEST  OR  INSPECTION CORRECTIVE ACTION 1.  CONTINUOUS  AXLE  OR  WHEEL  NOISE Before raising wheel off ground, be sure that shipping lock pin is installed. Failure to do so may cause vehicle to turn and slip off jack or jack stands causing serious injury or death. If you are injured by falling equipment, obtain medical aid immediately. Check  axle  shafts  for  damage  (para  2-39f). If  axle  shafts  are  not  damaged,  replace  differential  carrier  assembly  (para  3-20c  or  3-20d) and  notify  general  support  maintenance. 2.  LUBRICANT  LEAKING  FROM  DIFFERENTIAL  CARRIER  ASSEMBLY Step 1. Check if lubricant is leaking between axle housing and differential carrier assembly. a. b. If  lubricant  is  leaking  between  axle  housing  and  differential  carrier  assembly,  remove  differential carrier  assembly,  clean  mating  surfaces,  apply  sealer,  and  reinstall  (para  3-20c  or  3-20d). If  lubricant  is  not  leaking  between  axle  housing  and  differential  carrier  assembly,  proceed  to step 2 below. Step 2. Check if lubricant is leaking from differential carrier assembly housing (indicating cracked housing) or from area near yoke. Remove and replace differential carrier assembly (para 3-20c or 3-20d) and notify general support maintenance  (housing,  oil  slinger,  or  shims  may  require  replacement). 3-125