Reply to "master brake cylinder still bad?"

pantdinoMember

quote:
Originally posted by jb1490:
quote:
the brake pedal would just go all the way to the floor with only mild
resistance, while making a swooshing or mechanical wheezing sound.

I have found that on the Hall modified front calipers, sometimes air can get trapped under the upper hex head bolt (top bolt, as installed) that is used to plug the original brake line entry point. Loosening the bolt will bleed the air, but the copper washer may not seal. The washer on mine was quite thin and would not seal completely even after I annealed it, so I had to find a new one at the auto parts store. The new one was thicker which is OK. Your idea of moving the caliper to a different position has worked for me.

John

Interesting-- as I got my calipers from Hall originally the brake line entry point WAS at the top site. I changed it to the lower site as part of my recent "improvements." Sounds like whoever was doing Hall's work that day messed up.

4/18/108:25 PM

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