Fred,
There are some fan trouble shooting instructions posted at Ken Wilfey's web
site... maybe that will help..
http://www.vanagain.com/

Bill

----- Original Message -----
From: "Fred Brittain" <vanpire@BIBBS.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, September 04, 2000 7:37 PM
Subject: radiator fan anomaly

> Greetings,
>
> I've owned my 89 Westy GL for about 2 years. The fan seems to have
> been working perfectly all this time. But, last week I ascended a VERY
> steep five mile road to a local ski resort. I was in low gear (auto
> trans) all the way at about 3k rpms. The engine got hotter than I had
> ever seen it and the fan did not cycle on. However, when I reached the
> parking lot it cycled on almost as soon as I could come to a stop. It
> did its thing and cycled off.
>
> I've been off-roading many times at low speed/ low rpms and the fan
> has worked fine. The problem seems to be only at low speed and high
> rpms.
>
> Anyone have any ideas? All advice appreciated.
>
> Fred
> 89 Westy
>