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Old 08-08-2010, 03:00 PM
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Drum brakes chevy 69

hey guys,
heres what I got, went to bleed the brakes today on my Camaro, ended up changing one of the wheel cylinders and 2 of the bleeder valves. Had my wife pump the brakes while I was bleeding them, I bleed all 4 of them, but the peddle is stilll low to the floor. Didn't really see any air coming out of the lines, but ended up adding fluild before and after I was done, didn't see a single leak. Whats up with the low peddle, can you tell me what I am forgetting to do? thanks JEff this car has been sitting 12 years.

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Old 08-08-2010, 06:16 PM
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Adjust the shoes on all 4 wheels till they drag just slightly, that will reduce the amount of fluid and pedal movement needed to get a firm high pedal. Also, when bleeding, it's much better to open the bleeder and "push" the fluid out, then to "pump up the pedal" then crack the bleeder.
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Old 08-08-2010, 07:54 PM
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thanks Rickracer,
I will do that tomorrow, kink of got a but kicking today, wasn't expecting to have to replace the wheel cylinder and then the jig saw of the drum brake reinstallation,,, lol,,, at least it was only one of the the 4. Jeff
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Old 08-08-2010, 10:42 PM
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And most important, did the pedal come up while the bleeder was open?

Brian
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Old 08-09-2010, 02:40 AM
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Quote:
Originally Posted by Jeff J
thanks Rickracer,
I will do that tomorrow, kink of got a but kicking today, wasn't expecting to have to replace the wheel cylinder and then the jig saw of the drum brake reinstallation,,, lol,,, at least it was only one of the the 4. Jeff
The problem w/replacing just one slave cylinder, is now the action of it will be different from the other old ones. This can cause the car to pull under braking.

I'd always advise to replace the slaves at least in pairs, front or rear- and in your case, how far behind are the others to the one that had to be replaced? I'd much rather see you replace them all and be done w/it.
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Old 08-22-2010, 12:50 PM
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ok, got the 2 back wheel cylinders changed, bleed the brakes, everything was looking great,, stomped hard on the breaks 2 times, second time the peddle went all the way down fast, looked under the car and seen a bunch of brake fluid draining out up around the rear end in the middle by the gas tank. Guess one of the lines broke, man, another set back! At least the engine starts. Might put this thing off another 12 years,, lol
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Old 08-22-2010, 12:53 PM
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Quote:
Originally Posted by cobalt327
The problem w/replacing just one slave cylinder, is now the action of it will be different from the other old ones. This can cause the car to pull under braking.

I'd always advise to replace the slaves at least in pairs, front or rear- and in your case, how far behind are the others to the one that had to be replaced? I'd much rather see you replace them all and be done w/it.
you lost me here? how far behind are the others to the one that had to be replaced?

the 2 back have been replaced. Do you need special brake lines for a certain car, year? I will check out the O Rieleys by me see what they say, or might end up taking the car up to a brake shop and be done! thanks for the help. Jeff
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Old 08-22-2010, 04:17 PM
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On a car of that age, you are better off biting the bullet and replacing all the lines at once. Replacing them one at a time is a real pain. I believe there are places taht sell pre-bent lines so it makes replacement a snap.
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Old 08-22-2010, 06:28 PM
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thanks T-bucket,
I didn't really look yet for brake lines, but had watched a show on tv where a shop built a brand new conv. 69 camaro, the entire car was new minus the back seat, the only part not remade yet. thanks for the advice, I will take it.
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