Thread: brake line bleeding!
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06-29-2008 05:46 PM #1
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- Car Year, Make, Model: 1981 Monte Carlo BBC 396
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brake line bleeding!
Ok here is the deal i got this 1981 Monte Carlo and the guy ripped out all the brakes and started to replace all the parts to the system. The only thing he didn’t do is the Master cylinder and the hard lines. Well I got the hard lines in and started to bleed the system. I fixed all the leaks
. I bled them again. Well, this is what happens... the peddle would go half way down with no pressure and then gets firm....rock hard firm. So far the trouble seems to be in the rear brakes. The cylinder wouldn’t even move to open the shoes at all. I can get fluid out of the back brakes, but not like it should. What do you think?
PS. I moved the proportioning valve up by the master cylinder so I can add a line lock later.
Last edited by BBMonte; 06-29-2008 at 05:48 PM.
some times i do feel like i have a crayon in the brain
1981 Chevy monte carlo + Chevy 396 = crazy FUN!
like uncle ben says.... "With great power comes great responsibility" drive safe and drive FAST!
dont be a REV Mechanic damit!!!
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06-29-2008 06:03 PM #2
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Does it have the little button to reset the proportioning valve??? Maybe the proportioning valve has shifted and is applying all the fluid to the front brakes.... The valve shifts when the MC leaks and one reservoir or the other runs out of fluid. Not sure what a GM usesYesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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06-29-2008 06:23 PM #3
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yeah there is a reset button but that is oksome times i do feel like i have a crayon in the brain
1981 Chevy monte carlo + Chevy 396 = crazy FUN!
like uncle ben says.... "With great power comes great responsibility" drive safe and drive FAST!
dont be a REV Mechanic damit!!!
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06-29-2008 07:21 PM #4
CHR Member/Contributor
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I don't suppose you would have access to a brake pressure gage????Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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06-29-2008 09:50 PM #5
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I could be wrong which I am a lot but I've heard that proportioning valves are pretty touchy as far as moving them from they where set up to be.
Richard
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