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If the slave cylinder wont build up pressure and you've tried bleeding it and the master cylinder and the slave cylinder is good then what would make it not work?
Wiki User
∙ 14y ago
a leak in the pressure line could do it. are you sure the seals in the cylnders are good? Is the slave not holding pressure, or is the master not building pressure? How did you bleed it? it makes a difference. Also, if the master or slave cylinders weren't bench bled before installation, it can take a very long time to bleed all of the air out of the cylinders.
Wiki User
∙ 14y ago
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If you just replaced the clutch master cylinder on a Nissan 240sx then why won't it build up pressure?
The most likely case would be that air somehow got into the line. try bleeding the clutch fluid, while making sure that the level in the reservoir does not get low.
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leaking brake line or master cylinder..? It sounds like a bad master cylinder. Years ago these could be re-built, but with the newer ones, they must be replaced. By pumping the brakes, you build up pressure which prevents the piston in they master cylinder from leaking, cut after sitting, the seals leak again. A good mechanic will be able to tell if it is the master cylinder or not.
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Check the freeplay. If the linkage is too tight and there is no free travel in the pedal, the master cylinder may not be releasing, which allows pressure to build up and the brakes to apply. A good manual for this car should have the proper adjustment described.
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What is the procedure to bleed a clutch on a 1989 Chevy cavalier?
Hydraulic clutches have 3 components: Master cylinder (under hood), slave cylinder (under car near the clutch, and connecting hydraulic line. When you depress the clutch you are building pressure in the master cylinder which sends this pressure thru the connecting line to the slave cylinder which then works the actual clutch. To bleed the system you need two people, one proper size wrench (guess 10 mm), hydraulic fluid( brake fluid). One person sits in the car; one person under car with wrench. Start by filling the CLUTCH master cylinder with brake fluid( yes it is the same stuff used for the brakes). Next get under the safely lifted car with your wrench near the clutch slave cylinder. Have assistant pump the clutch to build pressure and after four pumps the person holds it to the floor. You with wrench loosen the bleeder valve on the slave cylinder. Out will come air and old fluid. Now tighten the bleeder valve and have assistant pump up the clutch pedal again and repeat this procedure while KEEPING THE FLUID FULL IN THE MASTER CYLINDER ALWAYS. You keep doing this until pure fluid comes out. Your assistant MUST HOLD THE PEDAL TO THE FLOOR WHILE THE BLEEDER IS OPEN or you will introduce air in system.The first item to fail in this system is the slave cylinder; make sure it holds pressure when you are done..1930fcoupe
