...high speed? I just had the front axles replaced and tie rod also, i know that I still need to replace the ball joints on my jeep . it rides a lot better but it still make a grinding noise or should I say vibrate at speed pass 55 mph my vehicle has select a tract hook up which I I have yet to find another jeep like mine in my location. I believe it might be the transfer case.any help on this problem will greatly be appreciated