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Posted by Keith in Washington [24.41.55.59] on Sunday, February 24, 2013 at 22:53:51 :
In Reply to: Help needed! Brake bleeding posted by Sterling from Texas [166.147.123.164] on Saturday, February 23, 2013 at 18:51:43 :
If it is leaking out the along the rear push rod then I would suggest that the push rod is not in the correct position or that it has a bad seal. I would doubt that both have had bad seals. Check that you have adjusted the push rod incorrectly. There should be a good 1 inch of travel in the peddle before any resistance.
One thing that has helped me a couple of times is to close all brake nipples and fill and close the reservoir to the top. Then pump like crazy fast on the brake until the peddle is good and hard to push. Keep the pressure on the peddle and have someone loosen the nipple on the right rear brake then close it as soon as the peddle hits the floor (keep pushing on the peddle until the nipple is closed). Do this several times keeping the master filled. This seems to compress any stubborn air bubbles and the quick release of full pressure seems to get them moving down the brake line to be expelled through the nipple.