Dennis has responded a couple times in the past few years to this.  The rear
shoes are suspect.  There is some sort of adjustment or fitment technique to
solve your problem.  I believe he only uses dealer supplied shoes for
fitment reasons too.
Check the archives or wait for more informed to provide.

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Dan Barrett
Sent: Sunday, October 26, 2014 5:00 PM
To: vanagon@GERRY.VANAGON.COM
Subject: brakes, and wheel bearings

Friends:

I've replaced all of my brake lines, the front calipers and pads, and
the rear drums and shoes on my 1990 GL 2WD.  Got the bus off the
jackstands and out for a road test today, and I have two resulting
questions:

(1) the brakes are slightly softer than I remember.  I've bled
     them a couple of times, and the parking brake is dialed