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cant get rear brakes to bleed

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Old 12-01-2010 | 07:44 PM
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Default cant get rear brakes to bleed

like the title says i cant get the rear brakes to bleed this is on a 1970 camaro with disc breaks in the front drums in the rear just replaced leaking MC and now cant get the rear breaks to bleed fronts will bleed just fine i have no clue wat is wrong now i pump and pump and pump the breaks and no fluid will will come out of the bleeder plz help lol.
Old 12-01-2010 | 07:56 PM
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Process of elimination.
You already did the Master so what you should do now is check the proportioning valve, disconnect the lines going to the rear drums, pump the brakes and make sure fluid is coming out.
If fluid is coming out then disconnect the line going into the drum itself and make sure fluid is coming out.

Hope that helps and good luck man.
Old 12-01-2010 | 08:01 PM
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thnx will try that
Old 12-01-2010 | 08:04 PM
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I looked at the instructions on a new master cylinder I was replacing, it said after bench bleeding then installing the master cylinder to pump the pedal 100 times!!!
It worked but was a pain in the #$%.

Carl
Old 12-01-2010 | 08:04 PM
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I know its easy for me to tell you that but when you go to loosen the lines make sure to use a correct line wrench so you dont round off the fittings, especially if they are rusty.
Spray them with some WD-40 and let it sit for a little bit before going at it.

Old 12-01-2010 | 08:05 PM
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Originally Posted by Carl at CRP
I looked at the instructions on a new master cylinder I was replacing, it said after bench bleeding then installing the master cylinder to pump the pedal 100 times!!!
It worked but was a pain in the #$%.

Carl
Holy **** lol <---would need alot of that
Old 12-02-2010 | 04:10 PM
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Originally Posted by CO99Z28Vert
Process of elimination.
You already did the Master so what you should do now is check the proportioning valve, disconnect the lines going to the rear drums, pump the brakes and make sure fluid is coming out.
If fluid is coming out then disconnect the line going into the drum itself and make sure fluid is coming out.

Hope that helps and good luck man.
Yep, do this. When I first picked up my 67 Camaro, I had the same issue...did this and of course it was the last step in the process, there was tons of rust blocking the wheel cylinders. Changed them and the line that runs the length of the housing and she was good as new.
Old 12-02-2010 | 04:13 PM
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just wantd to say thnx to everyone for helpn found out the rubber line that feeds the metal lines to the drums was bad puttn a new one on tonight should fix it.



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