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Date:         Fri, 2 Nov 2001 17:52:01 -0900
Reply-To:     Michael Moery <mikemoery@WORLDNET.ATT.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Michael Moery <mikemoery@WORLDNET.ATT.NET>
Subject:      Re: Frustration in Brake Land
In-Reply-To:  <14b.36de38c.29145b4c@aol.com>
Content-Type: multipart/alternative;

I had a dragging brake caliper problem several years ago on my '82. After much frustration and work, I decided to disassemble and inspect the master cylinder. I found that the piston inside consists of two halves that screw together in the middle, and that they had come partly unscrewed, causing one of the two circuits to hold an air bubble in it, since the bleed port to the reservoir never opened to that circuit when the pedal was released. I screwed the pistons back together tight, and the problem was solved. I guess it's possible that you may have a similar problem.

Mike Moery, Anchorage, AK ------------------- ||E[__] [__]|[_]\\ | =======| - || * * * =( o )--------( o )=* **'Ol Bessie '82TD Westy***

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of KENWILFY@AOL.COM Sent: Friday, November 02, 2001 11:26 AM To: vanagon@GERRY.VANAGON.COM Subject: Frustration in Brake Land

I have a '80 Vanagon Westie here that is trying to drive me insane. The guy brought it in to have some brake work done. He could see that one of his calipers was leaking and draging and the pedal was feeling soft.

He told me to replace the brake booster, the master cylinder, and the front calipers and whatever the brake system needed. I had a set of known good, used calipers that we decided to use for the front and I set my helper on this project because I was busy with two other vans. My helper replaced the booster, the master cylinder, and the two front calipers. We then bled the system. Pedal was still low and it seemed that you could pump it up, then let off of it, and after a few seconds it was low again. I then inspected the rear brakes. One wheel cylinder was bad, I replaced that and I also had a thin drum on one side. I put a new drum on and also a new set of shoes. We bled it three more times. Still low pedal, kinda smooshie. I went out and bought a power bleeder (Mity Vac). I had wanted one of these for a while any way. Bled it again, still the same. I inspected the metal lines and the rubber lines and found that all of the rubber lines had bulges in them. I thought I had finally found the problem. I replaced all of the lines with new ones. Bled the system again. Still the same!!

Any suggestions? I am starting to suspect that my helper did something wrong when he installed the brake booster, however I can't figure out how the brake booster could cause a low, smooshie pedal. The only other thing I can think of is that the one of the parts we put on is defective. Any help would be appreciated. Usually brake jobs are so simple, this one is starting to get to me.

Thanks, Ken Wilford John 3:16 www.vanagain.com Phone: (856)-765-1583 Fax: (856)-327-2242


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