Oops that was supposed to have a link:
http://www.thesamba.com/vw/forum/viewtopic.php?p=4501187

Sent from my iPhones 

On Apr 8, 2013, at 1:52 PM, Stuart MacMillan <stuartmacm@GMAIL.COM> wrote:

> It's so loud and high pitched that it's painful to use the blower, even with
> my reduced hearing.  But, as I continue to, it's becoming less frequent.  Do
> these things ever fix themselves?  It's probably  dry bearing or worn
> commutator/brushes, but with only 140k on it (an '85) it doesn't seem like
> it should be worn out since my '84 worked fine for 20 years and 225k.
> 
> 
> 
> I'm tempted to shoot some WD-40 into the intake, but I'd probably regret it.
> 
> 
> 
> 
> Stuart
>