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Lotsa new parts...still have vibration!
OK, I replaced the carrier bearing a couple of weeks ago. When I pulled it off the truck it was in bad shape, so I thought that was the problem...no dice.
Today I went out and bought 3 new U joints and when I pulled them, 2 looked fine, but the one that attaches to the yoke on the rear end was full of dirt and crap. So I thought that was DEFINITELY the problem...again no dice. The U joints definitely needed replacing, so I'm glad I did, but still have the problem.
I'm not sure what to try next. Basically when I get to just over 30 up to around 40 I get a really bad vibration. The whole truck vibrates and anything loose in the cab starts to rattle.
Seems to be something in the driveline but now I'm not sure. I guess I could pull the driveshaft and drive around only with the fronts turning and see if that cures it.
Also, not sure if it's related, but when I'm going at a decent speed and in a turn a get a humming/groaning kind of noise/feel. Kinda hard to explain so I don't know if that is related or not.
If anyone knows of something else I should look at let me know. I'm also going to rotate the tires and have them rebalanced. Again not sure if that will help but it's maintenance I need to do anyway.
2002 Arizona Beige F-250, 200+K, auto, 4X4, crew cab, 6637 intake, unknown 4" exhaust, Superchips 1705 on performance tune (yeah I know but got it for $100) and now REALLY wanting a custom tune!
1998 Trans Am vert A4, special order silver with white top and interior, 56K, SuperMaxx longtubes, Y-pipe and hi-flow cats, tuned by Frost, EGR!, and all free mods done (13.8 @ 102 stock
...new times pending)