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Subject:Re: heater fan whine
From:David Beierl
Date:Tue, 26 Jan 2010 05:53:04 -0500

At 04:54 AM 1/26/2010, Robert Keezer wrote:
>Anything short of removing the dash is is good news- maybe a long
>tube threaded to the bearing? From under the dash? Above?

You can do those things with some difficulty but you have to take out
the dash and remove and open the heater box and blower assembly to do it.

Check out Karl's method.  It's easy -- he says one 3/8" hole but I
suggest you'll have an easier time with two half-inch ones, one to
light through and the other to look/shoot through.  A stepped
sheet-metal drill works beautifully.  If it doesn't cure the problem
you're not out very much.  Remember that the bearing is much higher
than the hole; you have to look pretty far up.  Also, Karl recommends
closing the hole with a plastic cap, but I think that as long as you
get paint on the bare metal actually closing the hole(s) isn't very
important since they're seeing about the same ram effect as the rest
of the input duct.  That's assuming they're behind the plastic inlet
screen, which I'm pretty sure they are.  I did this a week ago, you'd
think I'd remember.

Yours,
David