S2000 Under The Hood S2000 Technical and Mechanical discussions.

Bad Slave Cylinder?

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Old Jun 9, 2012 | 07:31 PM
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wickwirew's Avatar
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From: Satellite Beach and Ft Myers Florida
Default Bad Slave Cylinder?

The clutch pedal use to have a good amount of pressure against it and the friction zone was at the top. Drove it came back and all of the pressure on the clutch pedal is at the bottom and the friction zone has gone down as well. I was low on fluid so i filled it up and pumped the clutch and it fixed it for about 3 hours. Now the fluid is still full but the pedal has gone back to being sloppy, so i dont think i have a leak. Air just may be getting in. Ive been reading around and it seems to me to possibly be the slave cylinder. Any thoughts?
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Old Jun 9, 2012 | 11:42 PM
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Have you got down and looked? I just replaced mine today and it was just like yours. if the fluid is low it's leaking somewhere. Mine had a slow leak and it would take 4-5 days until I had to add some. Jack it up get under there, and I bet you you'll see a small amount of brake fluid coming from boot.
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Old Jun 10, 2012 | 02:58 PM
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Yea I took and look and couldn't see any fluid. I think when the fluid was extremely low some air may have gotten in if that's even possible. I'm gonna bleed it tonight and see how it holds up the next couple days.
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Old Jun 11, 2012 | 08:02 AM
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Ive had the same issues before , just kept adding fluid ...was waiting to get some money for a new master or slave when all of sudden it fixed itself .I had to add fulid about 5-6times until this fixed itself , have no clue how but thats what happened ...bleeding i'm sure would have helped me sooner , hope your car is like mine and fixes itself ... I love Hondas
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Old Jun 14, 2012 | 04:29 PM
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A lot of times they will fix themselves due to the new brake fluid being introduced.

The fluid should be changed every 2 years.
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Old Jun 14, 2012 | 04:43 PM
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Just had this happen to me and thought i fried my clutch. Opened the master and holy darkness murky slime. Did a total flush with plain old dot3 brake fluid and bleed her and clutch was back but still a lil slop. I rebleed it 2 weeks later but clutch still felt the same so i might have to adjust the clutch pedal free play to oem spec.
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