Question about 2005 Mazda MPV

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No clutch pedal (bleeding the slave cylinder)

Just changed the clutch in a 2004 mazda mpv and for life of me cannot seem to get it to bleed and give a clutch pedal the pedal just hits the floor with no resistance

tried gravity bleeding open bleed nipple and let fluid drip no joy

tried low pressure vacum bleed drags fluid through nicely but system still air locks

cant use an easy bleed as the kit doesnt fit on the mazda master cylinder resivour

so any suggestions on how i should bleed this are welcome

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  • psxonenewbie Jan 21, 2009

    found problem flexi hose in/by chasis rail had collapsed

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4 Suggested Answers

  • 166 Answers

SOURCE: mazda rx 7 rebuilt kit clutch master cylinder.

crack the bleeder nipple on the slave cyl and get some one to slowly push the pedal see if any fluid shoots out if not you may have killed the new seal in the master cyl.
it sounds like you did every thing right its just that old cylinders get were in them and if you don't hone them out and put a new sleeve in them quite often you will rip the new seal apart on the first pump of the pedal.
any way check for presser and let me no

Posted on Dec 21, 2008

emissionwiz
  • 63471 Answers

SOURCE: Clutch pedal stays on floor

the problem is that either the master or slave cylinder for the hydraulic clutch have failed, it is always recommended that they both replaced together, u can bleed the clutch but the problem will occur again.

Posted on May 07, 2009

arauzvictor1
  • 466 Answers

SOURCE: no brake pressure on my 1991 mazda mpv, changed

you have to remove the pipes that go out of the master cylinder and purge the air later you connect the pipes and it purges the air in every auxiliary cylinder and the pedal will begin to have pressure

Posted on Dec 13, 2009

  • 3 Answers

SOURCE: Clutch pedal loses pressure while depressing,

Either your master cylinder is going ( I had the same problem on my F350 truck) or there is still a small amount of air in the system. As long as the air bubble are dispersed like when the pedal is pumped, it will most likely work. The solution is to properly bleed the system. The easiest is to borrow a vacum pump and **** a few oz of fluid through the bleed screw. The second best requires two people. Have someone sit in the drivers seat and as you open the screw have them press the pedal to the floor holding it there till you retighten the screw. Do this 10 or twelve times making sure you always have fluid in the resevoir. This will push all air out of the system.

Posted on Feb 04, 2011

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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.
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The clutch on my car stuck to the floor. I check the reservoir was completely empty. I have a feeling the slave cylinder is filled with air. I'll need to get the schematics to see how to bleed the clutch.


Bleeding the clutch is similar to bleeding brakes. You'd pump the clutch pedal several times to get the pressure up, and then open the bleeder on the slave cylinder (mounted down on the transmission). Repeat and add fluid as needed until no air comes out.

Two things - first off, some cars have more than one bleed point (the Nissan 300ZX is one of those), so be sure there is only the slave cylinder to bleed. Second, if it went right to the floor, something failed - either the slave cylinder or the master cylinder. Changing the slave is relatively easy - usually two bolts and it comes off, you put on a new one, and bleed it as described above. Often the slave cylinder is less than $30, so it's worth it to try changing it if you can't get the pedal to come back off the floor on its own. A clutch master is significantly more expensive and more difficult to change, so start cheap and easy and replace the slave cylinder if you can't pump the pedal to get pressure built up for a bleed.

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