drive train clunking sound under acceleration.

Brendon Kehoe

New Member
Hi
I own a 2003 3.4 4x4. I recently did a leaf spring swap.Since then I get a clunking sounds only as i accelerate. I have gone through all my u joints, torn down my t case trying to find the cause. i thought it was going to be the t case output shaft bearing but those are ok. Im lost without my yota can anyone help?
 
Taller leafs changing the pinion angle? Even a small change might stress old u-joints.
That was my first variable I checked was the whole drive shaft. Everything was replaced less then 3 years ago. They were all tight and no play I thought maybe it was the center carrier bearing. I replaced that and it's good all the U-joints an the center carrier bearing are good.
 
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Angle just a bit off can do weird things.
Also did you put the driveshaft back in it, in phase?
 
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