I'd think it more likely the fan is in trouble, or rather a bearing in the fan
is in trouble. My 190D had exactly the same sort of thing. I took the cover off
the fan (which also requires removing the windshield wiper and some other
covers) and dripped some ATF onto the shafts (theres a fan on each end of the
motor) and ran it for awhile. Then dripped in more ATF. Its been nearly 2 years
like that now with no reoccurance.
-Curt
Date: Tue, 1 Jul 2008 16:41:42 -0400
From: "Bill R" <[EMAIL PROTECTED]>
Subject: [MBZ] always on blower motor 1981 300SD
To: "'Mercedes Discussion List'" <mercedes@okiebenz.com>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
A couple of months ago the 'always on' blower started chirping - sounds
like a piece of paper got in there. It stopped for a few weeks, with just
occasional chirps, but has now returned pretty much full time. It sometimes
stops on turns, but the controllable fan doesn't affect it [a tiny bit
sometimes]. Is this something a rank amateur can get into to get out
whatever the fan is hitting? Any way to snake a wire claw into the vents to
get at it that way?
Thanks - BillR
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