[V8] Tumbling Marbles

[dsaad@icehouse.net]

Most likely Yes...

The exact same thing happened to me.
If you remove the serpentine belt - thus eliminating any noise from the belts
idlers, alternator, PS Pump, and A/C pump, and you still hear it then this is
the likely culprit.

Dave



Quoting "Stafford, Kenneth A." <stafford at WPI.EDU>:


>
> Guys, is this the rattling sound that mine makes?  Mine's as quite as a
> mouse
> until it warms up and then it sounds like a diesel when idling--and it
> seemed
> to happen right after I changed the TB a couple of years ago.  The old pump
> bearing felt fine when hand spinning it.  I recently took both the covers
> off
> to check the belt tensioning--fixed a partially seized tensioning
> system--but
> the rattle is still there.  BTW, having done it twice now, it doesn't seem
> to
> be such a daunting task to do a TB job (of course I don't bother with
> removing the radiator, front bumper, or dizzies).
>
> Ken
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