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Matt
Matt, Mechanical Engineer
Category: Car
Satisfied Customers: 20598
Experience:  BEng hons Mech engineering, in auto industry 22 years
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Recently fitted new clutch and cylinder keeps loosing

Customer Question

recently fitted new clutch and slave cylinder keeps loosing fluid no apparent leak
gear change very knotchy
Submitted: 9 months ago.
Category: Car
Expert:  Shantal-Mod replied 9 months ago.
Hello,
I'm Shantal and I'm a moderator for this topic.
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Expert:  Matt replied 9 months ago.
Hello its possible that the slave is leaking fluid into the bellhousing and not actually leaking out, so just filling up inside ?If your fluid level is going down over night then it must be going somewhereIf the pedal is good after bleeding but then gets worse after a few days / hours, then I'd try leaving the clutch pedal held down overnight by bracing the pedal against the seat base with a piece of wood or similar, this is to try and force the seals inside the slave to take a set in the right orientation as over time they can shrink and draw air back in when you take your foot off the pedal. This shrinkage isn't enough to leak any fluid but the gap is big enough to draw air in (gas being harder to seal than fluid) if this doesn't work I'm sorry to say that the slave cylinder is going to need changing. also if the fluid is dark in colour this is a sign the seals are breaking up
Expert:  Matt replied 9 months ago.
Hido you still need help?Bear in mind that the site takes a deposit from you at the beginning and this is held by the site until you rate my answer at which point the cash is split between the site and the expert. I am only paid for my work on this question if you rate my answer, using the star system at the top of the screen. Please do not forget! Thank you

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