Question about 2003 Toyota Sienna
Replaced the alternator because it checked out bad, but initial whine/whistle is still present on startup; seems to fade out somewhat after engine warms up but still can be heard
I have the same problem like yours but what i did is to replace the alternator and now its so quite no more high pitched sound. You may used belt stress fluid but its only last for few seconds then sound comes again. I replaced it with refurbish part alternator.My sienna 2005.
Posted on Feb 04, 2009
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