Haven't heard this topic for awhile, but yes, if it is hot and the A/C is running, and
the fan (there is only one) kicks into high speed, it can sound like a DC-3 with bent
propellers. My '90 was doing that a lot, and on the suggestion of a listee, I took the
motor apart, lubed the bearings. Didn't help much, so bought a new motor from a list
vendor.
Guess what? Still makes a lot of noise at times. I give up.
Jerry, in AZ, where it is hot

----- Original Message -----
From: "Paul Terry" <paulterry@EARTHLINK.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, June 10, 2007 3:49 PM
Subject: Fan noise?

> On my trip from Raleigh, NC to Destin, FL (about 12 hrs) with the air conditioner
running, I was startled by a loud vibration coming from the front of the van. I pulled
over and turned the motor off and a few seconds later the noise stopped.
> I suspected it had something to do with the AC, so I turned it off and motored on.
It was really hot yesterday and I could hear the radiator fan starting up occasionally
and it sounded normal. But when I turned on the AC (traveling about 65MPH) the load
vibration stated again after 30 minutes or so. Is there a second fan for the AC or
does anyone have any idea what the problem is?
>
> Thanks,
> PAUL
>
>
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