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Old 04-18-2013, 05:39 AM   #1
07pearlwht
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Join Date: May 2009
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Location: Reno, Nevada
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2007 impreza wrx sti
pearl white

Default No clutch pedal pressure

I put in my new clutch a couple days ago. Everything went together well.

The slave cylinder would not hold pressure causing my clutch pedal to constantly lose pressure. I took it apart and noticed one of the o-rings on the piston was broke. I replaced the slave cylinder with a brand new one and I can't get pedal pressure back. I have bled the thing multiple times (around 10-15) and there is still no pressure.

How can I tell if it's a master cylinder problem? Do I just need to jeep bleeding the slave?
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Old 04-18-2013, 02:11 PM   #2
RoadKillDMD
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Blurple

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Remove the slave from the car and hold it level during the bleeding process. I was in the same boat. I tried to bleed the system with the slave on for about an hour before trying something else. I unbolted the slave and held it level while my partner pushed the pedal. I tiny bit more air came out, and my pedal was solid after reinstalling.

Give it a try.
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Old 04-18-2013, 07:41 PM   #3
07pearlwht
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Awesome I will try that. Do you mean hold the actual slave level? Or level with the master cylinder?

Thanks a lot.
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Old 04-18-2013, 08:19 PM   #4
Concillian
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hold it so that the bleed screw / nipple is the highest point. When mounted, the bleed screw is lower than part of the cylinder, so air gets stuck inside no matter how much bleeding you do.
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Old 04-18-2013, 09:17 PM   #5
07pearlwht
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pearl white

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Ok got it.

Thanks again
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Old 07-12-2013, 05:39 PM   #6
dulahawk
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Quote:
Originally Posted by Concillian View Post
hold it so that the bleed screw / nipple is the highest point. When mounted, the bleed screw is lower than part of the cylinder, so air gets stuck inside no matter how much bleeding you do.
Awesome. this worked perfectly.

the slave cyl was easy to remove. I held it above the master cyl and a few huge bubbles came out while bleeding.

feels great now.
thanks
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