[Diesel-RVs] Re: Vibration when coasting.

Mike; I totaly agree with you. If it were mine I would relace the u-
joints due to the no-lube issue first. Then go drive it and see if
you still have the vibration. As someone else said check the ride
height. I would not just go replacing things unless you have play in
the pinion. But defintely replace the u-joints.

Phil Carrell

--- In Diesel-RVs@yahoogroups.com, "ucdavisgsm" <mike@...> wrote:
>
> Phil, I'm w/Fred on this. Diagnosis on a tapered bearing w/out
> pulling it is tough unless the thing has seized & spun so that you
can
> see outward signs of the damage.
> And IF it is the bearing, there is a cause. Mere end play of the
> assembly doesn't mean bearing for sure and exclusively. IF bearing
is
> bad, cause could be incorrect installation initially, could be
> inadequate lube, could be overstress from some outa balance part
like
> drive shaft or u-joints. IIWM, I'd get new U-joints while in this
> process regardless, and have the driveline checked for balance while
> its out of the rig. Those won't cost a lot, and after opening the
> rear end, it would be nice to go home feeling like the problem was
> truly solved. Mike
>
> --- In Diesel-RVs@yahoogroups.com, fred hengel <fjh1@> wrote:
> > Hi Phil,
> > I have been wondering just how the pinion bearing was diagnosed
without
> > pulling it...
> > Fred Hengel
>

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