1978 Chevy Nova brake pedal loses pressure

1978 CHEVROLET NOVA
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CHEVYMAN3.8REDNECK
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Brakes problem
1978 Chevy Nova V8 Two Wheel Drive Automatic

my brake pedal loses pressure but it does build back up and as soon as you dont touch the pedal for a little bit and you push it and its soft but will still stop and it basically repeats this and i cant find a leak and i put a new master cylinder on it last spring and i was told if the booster is bad the pedal would be real hard and there is plenty of fluid in the reservore and i understand that if you have a performance camshaft you can lose vaccum but it didnt always feel like this so could give some ideas and how to figure out whats wrong
Aug 30, 2009 at 10:23 PM
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RASMATAZ
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Check the master cylinder again could be leaking internally-also check the wheel cylinders
Aug 31, 2009 at 12:26 AM