I found that you can rebuild the actual motors, they get rusty inside.
not easy to take them apart but "do-able"

Doug

----- Original Message -----
From: "Tom DeMarcus" <papa_tom@BELLSOUTH.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, August 09, 2004 8:41 PM
Subject: Power window switches on my 91 Vanagon Weekender repeatedly fail

> First set lasted 13 years.  Replacements fail within days (toggle
> misaligns and will not "click").  I suspect one or both motors may be
> failing and causing switches to heat up.  Anyone with experience like
> this?
> papatom