Yep, when I went through very cold WY a few weeks back, my marginal clutch
master cylinder went very soft.  Was fine again for a few days at warmer
temps, then gave completely in Denver.  Look at the return spring on your
clutch pedal for hydraulic fluid, then at the slave cylinder....
bmc  :)
"Faith will move mountains, but you'd better bring a shovel...."

> From: Dion Cooze <Dion.Cooze@METSO.COM>
> Reply-To: Dion.Cooze@METSO.COM
> Date: Wed, 30 Jan 2002 08:35:49 -0700
> To: vanagon@GERRY.VANAGON.COM
> Subject: frozen clutch or fluid?
>
> Hi all,
> I'm hoping that someone out there has run into or have heard of a frozen
> clutch or hydraulic fluid freezing probem.
> I've got an 81' Westy and this morning, at -26celsius, I depressed the
> clutch and there was zero resistance from the hydraulics.
> Any ideas?
> Thanks,
> Dion
> Calgary
>