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From master cylinder no pressure to slave cylinder,no brake fluid coming out

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Bleed the system. push the clutch pedal down and hold down while the bleeder screw is opened
close the bleeder screw and pump the clutch pedal .hold down and again open the bleed screw
repeat the operation until solid fluid comes out

Posted on Dec 07, 2016

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I have a 2000 mazda 323 with a manual transmission. i have already change the clutch kit but the gear is still hard to shift


Check the hydraulic clutch operation. This is a clutch master cylinder with a reservoir on the firewall, and a clutch slave cylinder down on the bell housing of the transmission, with a steel tube running from the master to the slave cylinder. When clutch pedal is depressed, hydraulic fluid (brake fluid) is forced from the master to the slave. The slave cylinder should push out a little plunger that contacts the clutch fork lever-pushing it forward to engage the clutch.
Add brake fluid to the reservoir if needed. Watch the plunger on the slave cylinder: if it moves little, or not enough, try bleeding the slave from the bleeder valve. They are bled just like brakes. If bleeding doesn't help, your clutch master or the slave may need replacing. The master cylinder, like a brake master, has internal seals that hold hydraulic pressure, so force can be applied to the plunger on the slave cylinder.

Dec 09, 2013 | Mazda 323 Cars & Trucks

2 Answers

2000 jeep wrangler clutch has to pressure and thus wont allow me to put it in gear.


Check the clutch fluid level. If it's low, add some (takes brake fluid). There is a bleed valve down on the clutch slave cylinder on the bellhousing. Open the bleed valve and have someone push the clutch pedal slowly to floor, and hold. Close the bleed valve, and repeat until fluid comes out in a steady stream when the pedal is depressed. Your pedal should have pressure now, and the clutch should be working.
If no fluid is forced out the clutch master cylinder, into the line, and to the slave cylinder when clutch is pressed, then you may have a bad clutch master cylinder. If fluid does come out the bleed valve, but still no pressure on the pedal, it may be a bad slave cylinder.
Post back for more. Would like to know what you find out, and what the problem was, OB. Good luck.

Jul 13, 2012 | 1991 Jeep Wrangler

1 Answer

Wont go into gear


Did any fluid come out? It has to have fluid reach the slave cylinder, and when bleed valve is open and clutch is pressed, fluid should squirt out. Open the valve and pump the clutch until fluid is forced down into the slave cylinder. Keep topping up the clutch master cylinder so it won't run dry.
Post back if still having problems. There is a tool at auto parts stores for pressure bleeding brake lines and clutch lines. It forces fluid into the lines by pressure. If nothing works, your clutch master cylinder may have failed. Take the line off at the slave cylinder and see if the master cylinder is working to push fluid through the line.

May 10, 2012 | Hyundai Motor 1997 Tiburon

2 Answers

Clutch suddenly has no resistance and car won't shift gears. Fluids were low, have put fluid in the reservoir but still doesn't work. How do you bleed a clutch line?


on the transmission there is a slave cylinder that works like a brake cylinder, when you apply pressure to the clutch pedal a rod inside the vehicle under the dash pushes into a clutch master cylinder, (almost like a brake master cylinder without the reservoir, as the clutch master cylinder works off the brake master cylinders reservoir) the plunger in the clutch master cylinder applies fluid pressure to the slave cylinder,(located down on the trans near the clutch fork assembly) which projects a piston rod into the clutch fork dis-engaging the clutch. To bleed the clutch slave cylinder locate the bleeder screw on the slave cylinder,break loose so it loosens and tightens easily. Check fluid in brake master cylinder reservoir,fill if needed, while bleeder on the slave cyl is closed have a helper push clutch pedal to floor and back 7-8 times, (At first the clutch might stay at the floor, just pull it up by hand or foot and continue) after several pumps with no rest time push pedal to the floor and hold down with foot pressure, at this time loosen the bleeder on slave untill fluid leaks out, watch for air bubbles, close bleeder and repeat untill there is no sign of air bubbles, (make sure to check fluid in the brake master cylinder and keep fill as needed, do not let fluid get less than 1/2 empty as it might **** air and you will have to start over) If this does not bring clutch to operate then you need to check if slave cylinder is reachig its full extension of push rod or not. If it is not then you will have to replace the clutch master cyl or the clutch slave cyl or both as seals are bad and wont hold pressure. Or you need to inspect the clutch fork,the throw-out bearing, or the pressure plate fingers and clutch plate for failure or broken bent parts. I hope it turns out to be a easy fix on that clutching thing.

Jan 14, 2011 | 1995 Nissan Pickup

3 Answers

Mazda e2200 clutch repair: feels like I still have some kind of pedal springback, but without much force. No clutch at all. I assume it is hydraulic, but the only reservoir I see is for the brakes. That is...


Yes, hydraulic--check again--fender side of brake master. Slave is usual cause of leak that eventually causes master reservoir to go dry and start drawing air. Check slave for leak. If leaking, replace slave and bleed system. Make sure to bench-bleed slave before installation by opening bleeder and pouring fluid into line port.

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  1. Raise and support the front end on jackstands.
  2. Back off the flare nut on the fluid pipe to free the slave cylinder hose.
  3. Pull off the hose-to-bracket retaining clip and pull the hose from the bracket. Cap the pipe to prevent fluid loss.
  4. Unbolt and remove the slave cylinder.
  5. Installation is the reverse of removal. Tighten the bolt to 12-17 ft. lbs. (16-23 Nm).

Dec 04, 2010 | 1988 Mazda B2200

1 Answer

Are the brake master cylinder and the clutch slave cylinder interconnect in some way? I'm told that the slave cylinder get its fluid from the master cylinder.


The brake system and the clutch master cylinder have the same fluid tank, look at the brake master cylinder fluid tank, on the right hand side about half way up is a hose that goes over to the clutch master cylinder, if fluid level is not above this hose the clutch will stop functioning. If the clutch slave cylinder, mounted on the front side of transmission bellhousing, leaks then the clutch will stop functioning. The slave cylinder has a bleed screw, check these items and fill and bleed as neccessary. Hope this helps, let me know.

Jul 28, 2010 | 1995 Ford Escort

2 Answers

I have changed the clutch master cylinder and the slave cylinder, but still don't have pedal, we have bleed the lines and checked for leaks, no leaks were found. The new slave cylinder doesn't seem to be...


Thn the problem is the clutch master cylinder, it should build up pressure, ok try out this, remove the pipe which is going to the slave cylinder either from the clutch master cylinder or at the clutch slave cylinder and get someone to pump the pedal while you block the pipe and see if there is fluid thrown out with pressure.If there is pressure there thn fit back the pipe and refill the reserviour wth brake fluid and open the bleeding nipple at the slave cylinder let some fluid pour out and tighten it and thn pump the pedal and retry bleeding.
If there is no pressure at the pipe thn its the clutch master cylinder.
Hope this helps!

Dec 14, 2009 | 1997 Acura CL

1 Answer

Clutch pedal goes to floor


Its sounds like a bad clutch cylinder or bad slave cylinder or fluid leaking. First check brake fluid level in clutch master , and check for a leak in clutch system. If there are NO leaks, then you either have a bad clutch cylinder or a slave cylinder. Bleed clutch at bleeder screw on slave cylinder and make sure there is pressure from master cylinder. If there is pressure then slave cylinder may be bad replace slave and bleed and that should take care of you problem. If master is bad then replace bleed system ad you should be good. Contact if you need more help. Thanks for using FIX YA.

May 16, 2009 | 1988 Honda Accord 4 Door

2 Answers

No clutch pressure


have u checked the slave cylinder? should be inderneath the drivers side door

Oct 12, 2008 | 1999 BMW 323 Series

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