i drove over a set of train tracks pretty hard and now im hearing a moan from the front end everytime i go slow over bumps speed bumps etc.. its very annoying and im just wondering could it be the front shocks?? i know they are old so im hoping thats all it is, or could it be something in the torsion bar...or do you think if i greased up my front end via grease nipples mabie thats what it needs? any help appreicaited thanks