Well I got all my rear end problems fixed also front driveshaft u joints has been changed all of the also my axle shafts . Pu new oil in the diff 80-90 n new oil in the transferase .

So my story is while I drive at regular speed I have no vibes what so ever but when I engage to all wheel drive I get a nasty whooing sound when I let go of the gas n it also vibrates. Any leads on what I could bee

 

? Anyone

 

sounds like something with the front angles, to be exact my guess would be pinion angle too low, do u have the right length control arms?

 

I got the upper ajustable control arm n the lower are fix also how do i know much angle to give it

 

What kind of fluid did you put in your t-case?

 

Atf4

 

if your uppers are adjustable they could be adjusted wrong and causing the a caster issue which would angle your front pinion too far up or too far down, not sure on an exact number as far as degrees goes other than eyeball it, not sure how to explain it but give this a read if you try to adjust it http://pirate4x4.com/tech/billavista/PR-shaft/index2.html

theres some good info in there hope it helps