Master Cylinder Question - Team Camaro Tech
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post #1 of 6 (permalink) Old Oct 1st, 02, 04:36 PM Thread Starter
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Join Date: Apr 2002
Location: colton CA USA
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How can I tell if my master cylinder is going out. Or if my rear brake cylinder is out? I am having trouble with my brakes on my 76 camaro. Sometimes they work and sometimes they dont its wierd. Also is it possible for the lines to get clogged up if the fluid has been sitting for a while. Thanks
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post #2 of 6 (permalink) Old Oct 1st, 02, 04:47 PM
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Steven
 
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Peter, over time brake fluid can absorb moisture and lose it's effectiveness. You may also get some corrosion inthe system because of this ... A bad master cyl often allows the brake pedal to bottom out ... A leaking wheel cyl will be evident when you pull the wheel and inspect it ... At the very least, clean and adjust your brakes and bleed ( flush ) them to get fresh fluid in the system ... Also, check your brake booster ... If it's bad, you won't get any assist and it will seem like you have to press the brakes harder to get them to work ... Just some ideas ...
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post #3 of 6 (permalink) Old Oct 1st, 02, 04:52 PM Thread Starter
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Thanks for the help. I think I may also have a leaky rear brake cylinder but dont know exactly what to look for. I was told that there would be brake fluid present, but I didnt see any.I did have a loss of my brakes though and not even my e brake worked, I guess from what it sounds like the master cylinder is going. I did drive home though after the losing brakes incident. Im just not sure how they began to work again. And then not. Its weird.
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post #4 of 6 (permalink) Old Oct 2nd, 02, 02:13 AM
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Steven
 
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Clean and adjust your brakes. Also, make sure that the mast cyl is full ... BTW, the mast cyl will not affect the e-brake on your car ... That is adjusted by a cable running underneath the car asssuming that the rear drums are properly adjusted ... My advise is Don't let this drag on ... No system is more important from a safety perspective than your brakes ... Clean, adjust, flush, then go from there ...
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post #5 of 6 (permalink) Old Oct 2nd, 02, 03:44 AM
 
Join Date: Oct 2001
Location: St. Petersburg, Florida U.S.A.
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The most common problem with intermitent brakes is the hoses. people don't realize that they break-down from the inside out from the fluid. The rubber breaks down and a little piece of rubber is hanging off and dangling in the fluid stream which causes them to work only sometimes. I would visually check the hoses and try to remember how old they are. If you are planning on keeping the car get the stainless braided hoses with teflon instead of rubber. It's also a good idea to bleed the brakes to see how much gunk is in the calipers.

[This message has been edited by BMADD68 (edited 10-02-2002).]
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post #6 of 6 (permalink) Old Oct 2nd, 02, 04:57 AM Thread Starter
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I am going to bleed my brakes this weekend and do a further inspection on the rear wheel cylinders. I will also drain or bleed the system to see what is exactly in the brake lines also. And move from there. New brake pads are also on the agenda. The ones I have are very old. I actually didnt realize the e brake didnt work until I tried it. I looked at the rear brake pads and they are glazed and cracked. They must be very old, I didnt know that they break down over time. There is still padding on the brakes, but they are cracked and look dusty. They are definitely going to be replaced this weekend, as well as a complete flush on the brake lines. Thanks a lot guys, I appreciate it.
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