Its probably your slave cylinders.  They should just be replaced with the
appropriate European spring-loaded cylinders as carried at Van Cafe.

They have a nice Rear Brake Kit too:
http://www.van-cafe.com/home/van/page_302_189/rear_brake_kit.html

On Mon, Jan 3, 2011 at 9:01 AM, Ken Wyatt <57skibum@gmail.com> wrote:

> Good morning vanagonauts,
>
> Driving into my driveway last night, I noticed a pool of oily
> substance (called brake fluid) emanating from my right rear wheel on
> my 82 westy in the carport.  Since its been super cold lately here in
> Salt Lake City, I don't see myself remedying this issue soon.  I'm
> wondering if anyone wants to venture a guess on the cause?  Without
> pulling the wheel for a close exam,  I'm thinking the drum piston seal
> has gone south for the winter or perhaps a corroded hydraulic line
> near the wheel. I'm pretty sure they are original since I've owned the
> van since 1995 and know they haven't been replaced during my tenure.
> This could seriously hamper my potential trip to Buses by the Bridge
> in a couple weeks.
>
> Next question is should I plan to redo all of my seals brakes front
> and back.  I'll likely start with the rears first as they are the
> loudest "squeaky wheel".  BTW, the brake/clutch reservoir is very low.
> (better fill it asap) verifying fluid loss.
>
> Cheers,
> Ken Wyatt
> 82 westy
> slc, UT
>

--
Jake

1984 Vanagon GL 1.9 WBX - 'The Grey Van'
1986 Westy Weekender/2.5 SOHC Subie - 'Dixie'

Crescent Beach, BC

www.thebassspa.com
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27