97 gmc sierra 305 auto abs replaced master cyl with new one replaced rear wheel cyls(both) replaced front calipers (both) rear wheels adjusted bled entire system thoroughly checked for proper brake rod length (its correct) have tried blocking master cyl with no luck.
Replaced the entire hydralic system bled throughly adj rear brakes to specs traced all lines for leaks blocked mas cyl ports (pedal hard) began adding lines have brakes with each indvidually connected but when both are connected i lose pedal no leaks nor any air in lines when just one is connected i have brakes on that particular line ,,,when both are connected i lose the brakes unless i pump them suppose this is a weak master cyl? .i need a suggeston please?
Replaced the entire hydralic system bled throughly adj rear brakes to specs traced all lines for leaks blocked mas cyl ports (pedal hard) began adding lines have brakes with each indvidually connected but when both are connected i lose pedal no leaks nor any air in lines when just one is connected i have brakes on that particular line ,,,when both are connected i lose the brakes unless i pump them suppose this is a weak master cyl? .i need a suggeston please?
Dec 14, 2011 at 3:48 PM
