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Old 04-26-2018, 09:26 PM   #1
rockyrivermark
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Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,031
Brake issue.

1971 c10. 350/350
Front disc brakes rear drum. Power brakes
I added a rear disc conversion this evening from little shop mfg.
kit install well bit had some problems after bleeding

New master cylinder last year.
All new stainless lines last year.
So I bleed the whole system after the rear disc conversion And now pedal is low and I have air hissing sound from master/booster area when I push the pedal down. Any thoughts on that?
I don't think I went to low on fluid in master when bleeding but prob close.
Everything bled fine.
The proportioning valve was disc drum so directions said to take the rubber piece out of prop valve for disc disc
Possibly bench bleed master in case fluid go too Low when bleeding?
Any info appreciated!
Thanks Mark
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Last edited by rockyrivermark; 04-26-2018 at 09:37 PM.
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