I have a 95 4WD with 190K plus on the odometer and she's developed a dynamic squeak that is basically a high rpm at low speeds(5 to 10 mph). Since it starts immediately I am assuming that it has everything to do with the drive shaft and it is more than likely my universal joint causing it. I wanted to find out if anyone has gone through this and could tell me if this is indicative of a worn universal not that it would hurt to just change it out anyway but I'm hoping to hit the mark immediately. I am also noticing a leak from the transfer case wanted to know if overhauling the case is feasible.Last, I notice when I start her up that there is a jolt causing what seems to be the whole truck to jump backwards almost an inch. The broken motor mount has been there a while and the trans was overhauled early last year by a reputable guy so I'm at loss as to why its just now happening. If anyone can help I would greatly appreciate it.