Alright so about 2 months ago I picked up an 03 SSS AWD with 76k on it from carmax which the only reason I got it there was to replace my 5.3ecsb 2wd that got totaled. But anyways ever since I got it as soon as I go over 80mph I start to feel a bind or wabble or slipping type feeling in what feels like the front end and it gets worse the faster you go. It almost feels like somethings stickey in there, like it almost feels like the front wheels are going to fly out from under the truck. When I had my tranny guy put my shift kit and servos in I had him change all the drivetrain fluid including rear end and front diff and he said he didnt find anything out of the ordinary I didnt tell him about the feeling I was getting in the front end just because I was hoping maybe it was just low on fluid but now that I have it back its not the case. And I know its not the fact that its about to hit the speed limiter because I have a nelson tune with the limiter set at 120 or 130. Im kind of thinking the bearings in the front diff need to be replaced or maybe the wheel bearings? Im pretty sure the truck needs an alignment because the front tires are starting to round over on the outside of the tires and the backs are the same way (they were on the front right before I bought the truck) But im just looking for some help as to what it could be! I also get a slight vibration at around 57 or 58mph it feels almost like the same vibration my dads titan had when the front drive shaft went bad so Im also wondering if my front drive shaft could be an issue? And another thing ive been noticing is that sometimes when I start it the truck will jerk forward? If anyone has any ideas Id really appreciate it! P.S sorry for the long post!
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