If there is no sponginess in the pedal the most likely cause is a loos or failing front wheel bearing that's allowing the wheel to wobble a little. The wobble will kick back the caliper piston and you'll need to overcome that distance when you apply the brakes. It don't take much wobble.

Thanks, Tom Hargrave
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-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf Of Mike Riley
Sent: Wednesday, February 4, 2015 2:47 PM
To: vanagon@GERRY.VANAGON.COM
Subject: master cylinder problem thoughts?

I am on my second new master cylinder First was a beck-arnley and it squirted back into the reservoir on the down stroke, out it came now with my second different brand I have to pump the pedal once to get a pedal at the right height. No air in the system and the pedal is firm both at the low position and at the pummped position. Bled 3 separate times using 2 quarts fluid total and there is no air and no loss of fluid. this is my ninth van so I have done many brake jobs. New rear cylinders with the springs in them and brakes adjusted tight. I guess that I have received a bad master yet again?
thanks
   mike
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