Question about Cars & Trucks
My Clutch Master Cylinder keep on giving problems. replaced several times with new one. Instead of pushing the brake fluid it starts sucking it. And then off cause no clutch. What can be the problem.
You have an air leak problem lower down
Posted on Nov 25, 2013
Check your clutch slave cylinder.
Posted on Nov 25, 2013
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Posted on Jan 02, 2017
you have to bleed the air out of it. If there is not fluid leaking from the master cylinder on the firewall.it can leak on the inside of car or the out side if the master cylinder is bad.first make sure the reservoir stays full then open the bleeder on slave cylinder. this is called gravity bleeding. once fluid comes out, tighten bleeder, pump pedal one time loosen bleeder while holding clutch pedal down and then tighten. do this repeatedly until no air comes out. you can pump pedal several times,then hold and bleed however you like but I have better luck with individual pumps. just make sure that the lines hooked to slave cylinder are tight and there are no air leaks. and that the line does not go below the slave cylinder because sometimes air gets trapped in the lowest part of system.
Posted on Jan 12, 2009
The leak is only a symtom the real problem is the pedal box! it will have broken!
put your head in the footwell, press the pedal by hand while watching the master cylinder.
If you can see ANY movement of the master cylinder then the mounting has failed!
Hope that helps
Posted on May 11, 2009
SOURCE: Abnormal clutch pedal operation
You've replaced the master, the slave, now I would check to see if the throwout fork will move by hand. If you can move the fork by hand I would say that your pressure plate and or throwout bearing are worn out. First try to just gravity bleed the system. If that doesnt work, it may be time for a clutch, pressure plate, and bearing. The pressure plate spring pushes the pedal back up and depending on how many miles and driving habit those little arms on it break off and just wear out. I hope this helps you.
Posted on Aug 19, 2009
YOU NEED TO PULL THE TRANS AND REPLACE THE SLAVE CYL IF THE FLUID IS LEAKING AT ALL ONE WAY OR THE OTHER YOU WILL END UP REPLACING THE CLUTCH MASTER CYL BUT THIS TIME YOU NEED TO GAIN ACCESS TO THE SLAVE CYL AND APPLY PRESSURE TO IT HOLDING IT BACK WHILE SOMEONE PUMPS THE PEDAL AND YOU BLEED IT WORKS
Posted on Mar 04, 2010
I too am having problems with my 2006 GV clutch master cylinder. I noticed gradually over several weeks the gears and clutch pedal were degenerating and then the cluth gave completely. My mechanic took a look around and said the cylinder is the cheapest one he has ever seen, it's just a piece of plastic apparently! Is going to hopefully get the part this week or next, though he said as it's such a cheap and nasty part its likely it will happen again in the future. Not happy!
Posted on Mar 15, 2010
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