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Simple Brake Problem Fix -Cheap!

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Old Apr 30, 2008 | 11:20 AM
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Default Simple Brake Problem Fix -Cheap!

To junior mechanics like me I had a brake problem on the '75 and read thru old posts, then did a thread to get more ideas. For those, like me, that don't have the knowledge yet/ tools or space I inspected all aspects of the brake system. Then went to my good mechanic (he's a NASCAR mechanic! -- ok he watches NASCAR) - told him it was the master cylinder and I was right. Cost about $60 for a NAPA master, then bleeding. My point is if you do your homework - with the help of this forum - you will save money and have a good job done. Even though the old master was just replaced 3 years ago it rusted up inside - that is the two pistons can rust up/not work if the car is not driven much. And I know many have never had the problem and you are very lucky. Peter
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Old Apr 30, 2008 | 11:23 AM
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Not to change the subject but sounds like you need to start changing that brake fluid more often.
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Old Apr 30, 2008 | 12:03 PM
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or use DOT 5 fluid, the silicone type. It doesnt attract moisture, and a side benefit, it won't take your paint off if you get it on the paint.
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Old Apr 30, 2008 | 12:09 PM
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I would do some more research about dot5 before using it. While it doesn't absorb water, water can still get into the system. Since it doesn't get absorbed the water sits in a low spot and causes corrosion there.
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Old Apr 30, 2008 | 01:24 PM
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What about an aluminum master - would that solve the problem regarding rust? But, aren't they very expensive?
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Old Apr 30, 2008 | 04:36 PM
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buy a motive bleeder and bleed the brakes once a year and you won't need anything DOT3.
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Old Apr 30, 2008 | 05:23 PM
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I've never had the inside of the M/C go bad like that on a vehicle I was driving regularly. I wonder if the gasket under the cap is OK, or if the cap is bent and not allowing the gasket to seal right.
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Old Apr 30, 2008 | 05:30 PM
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Let's be honest here. How many of you regularly change the brake fluid as a matter of maintenance on your cars? Not just your vette, but your whole fleet. Everyone says to do it, but I have never known anyone to actually change it until some problem crops up.

I never ever changed it on any car and I keep them for 10 tears or so. The first time I ever did it was when I had issues last year and changed calipers. I have never had any other issues, except with my 33 year old vette.
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Old Apr 30, 2008 | 05:31 PM
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Nice fix!! It always pays to do your homework and know what is wrong before you tear into it. You have to be careful as many "mechanics" today are parts changers. They will keep replacing parts until it finally works. After all it is only your money and they are getting paid for the parts and their time.
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Old Apr 30, 2008 | 05:34 PM
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Originally Posted by 7t5
Let's be honest here. How many of you regularly change the brake fluid as a matter of maintenance on your cars? Not just your vette, but your whole fleet. Everyone says to do it, but I have never known anyone to actually change it until some problem crops up.

I never ever changed it on any car and I keep them for 10 tears or so. The first time I ever did it was when I had issues last year and changed calipers. I have never had any other issues, except with my 33 year old vette.
I just change the fluid in my Vette two weeks ago. You are right though short of my Vette I don't bother to change brake fluid in any of my vehicals.l
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Old Apr 30, 2008 | 06:20 PM
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Originally Posted by Fuelie74
I would do some more research about dot5 before using it. While it doesn't absorb water, water can still get into the system. Since it doesn't get absorbed the water sits in a low spot and causes corrosion there.
You have to completely purge out the old stuff before switching over to DOT5. Not worth the bother. Stick with the old stuff and look at it maybe a couple times a year and if it is getting cloudy, change it.
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Old Apr 30, 2008 | 06:23 PM
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Originally Posted by C3 4ME
or use DOT 5 fluid, the silicone type. It doesnt attract moisture, and a side benefit, it won't take your paint off if you get it on the paint.



I have used Dot 5 (Silicone) for many year with no problems. Just don't use Dot5 in ABS system. Most guys won't use it because of cost.
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