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75vetteWest
I love my Chevy Chevette!
Posts: 1
Joined: 06/11
Posted: 06/16/11 01:47 AM

Master cylinder is empty no fluid on floor any ideas where it went ,someone said it probably went into booster,if it did do I have to replace booster with the master it's a 75 vette 350 all original  

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waynep7122
I mow my lawn and find Chevys
Posts: 1114
Joined: 08/09
Posted: 06/16/11 06:56 AM

yes... if the master cylinder leaked out around the rear piston seal and it got into the power brake booster... you will probably need to change the booster also...

its not often this happens... but it does....

i would use extreme care when removing the power brake booster that you don't pour the brake fluid thats inside it onto the paint... (been there .. done that..)

you will probably want to replace the master cylinder.. if this has actually happened..    i have used silicone hose from the hardware store or silicone vacuum hose through the vacuum opening when i removed the check valve and grommet to siphon the brake fluid from the power brake booster before deciding to replace it..

there are a lot of places on that car for brake fluid to leak from...


http://www.corvettefever.com/howto/corp_0706_replace_master_cylinder/index.html


an article about some of the caliper issues...

http://www.corvettefever.com/howto/25438/index.html  

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waynep7122
I mow my lawn and find Chevys
Posts: 1114
Joined: 08/09
Posted: 06/16/11 07:00 AM

oh...   you can with care... fill the master cylinder, unbolt the master cylinder from the brake booster... leaving the lines attached..     move it forward...  and watch the back.. does it leak fluid?????  

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