I bought a 91 4x4 Suburban and it pulls to the right, I had it aligned and it's better but still pulls to the right. The steering wheel does not want be at center it always goes a little to the right. Keep in mind this is very minor but after a 14hr drive it becomes a big deal. The alignment guy said it won't hurt the tires and some thingy is getting more fluid to it than the other side making it pull to the right and that would cost $350 to fix. Does this fluid thing exist and if so what is it's real name, is it easy to fix, and does the replacement cost sound correct?