GaryBudd Posted April 9, 2018 Share Posted April 9, 2018 Rebuilt MC,has been bleed.No leaks at wheel cylinders or any brake lines.Brakes adjusted.I can't seem to bleed them and I can't get back pressure on pedal.So frustrating,I have tried all kinds of bleeding but nothing seems to work.When pumped I do get fluid thru. Link to comment Share on other sites More sharing options...
keiser31 Posted April 9, 2018 Share Posted April 9, 2018 (edited) 4 minutes ago, GaryBudd said: Rebuilt MC,has been bleed.No leaks at wheel cylinders or any brake lines.Brakes adjusted.I can't seem to bleed them and I can't get back pressure on pedal.So frustrating,I have tried all kinds of bleeding but nothing seems to work.When pumped I do get fluid thru. Are the brakes adjusted so that you hear a slight rubbing of the shoes on the drum? Can you describe your bleeding process to us? Edited April 9, 2018 by keiser31 (see edit history) 1 Link to comment Share on other sites More sharing options...
GaryBudd Posted April 9, 2018 Author Share Posted April 9, 2018 Brakes are adjusted.I have done two man,single type with soda bottle and gravity. fluid moves thru the tubing but never without pockets of air.I pulled the wheels today to check for leaks but didn't find any.No leaks under car. Link to comment Share on other sites More sharing options...
auburnseeker Posted April 9, 2018 Share Posted April 9, 2018 (edited) Are you using regular Dot 3 or Silicone Fluid? I would re bleed the master, with Silicone you will need to bleed it slowly as it will develop air bubbles (foaming) if you bleed it fast. lots of pumping of the master puts air in. As Keiser, said I would double check your shoe contact to make sure it's not too far off. I put all new brakes on a 49 Chevy truck I had and bled the system but could only get a good pedal when I pumped the pedal , then would lose it. It ended up being one of the wheels didn't have a tight enough clearance for the shoe to drum contact even though it felt right the first time as the brakes hadn't been applied hard to help square the shoes back up in the drums. Edited April 9, 2018 by auburnseeker (see edit history) 1 Link to comment Share on other sites More sharing options...
GaryBudd Posted April 9, 2018 Author Share Posted April 9, 2018 Well today I pulled the MC again and tried to bleed it again.I think I found my problem,it wouldn't bleed. Took it to a friend at a machine shop,he miked it up and found it had an oval spot. Going to order a new one tonite.Thank you to all responses. 2 Link to comment Share on other sites More sharing options...
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