> -----Original Message-----
> From: Rick Suter
>
> >>but I still have a nagging groan/vibration. It seems to be around TC
> >>lockup, but I'm not convinced the two coincide. Most obvious around 60
> >>MPH on the highway with light pressure on the gas... It's sort of a
> >>groan/rumble with mild vibration. It seems to lessen as the truck warms
> >>up. Worse in colder weather. Ideas?<<
>
> >Stock ride height?
> No, has had 2" add-a-leafs in the rear since I've owned it at 16K miles.
>
Have you checked your u-joints....on both ends of the driveshaft?
Ray
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