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Problems Bleeding Clutch (Air In Line)


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#1 Zeemax_Mini

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Posted 12 October 2019 - 10:57 AM

Hey guys,

I'm trying to bleed the clutch in my pre verto mini but it keeps getting air in it just when I think it's clearing. Everything is new Inc slave and master but I can only think it's sucking air in somewhere as we've bled it for hours. We've made sure all the joints are tight so unsure what to check next...ang ideas? At the moment my best guess is a duff new slave or master but before I strip them down I thought I'd ask.

Cheers, Dom

#2 Zeemax_Mini

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Posted 13 October 2019 - 01:53 PM

Bump!

#3 panky

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Posted 13 October 2019 - 02:11 PM

What I do is to fit a piece of tightly fitting plastic tube onto the bleed nipple with the other end in a container with some brake fluid in covering the end of the tube. Then crack the bleed nipple only slightly and pump the pedal a few times, you will hear the fluid and air squishing through. top up the fluid level and repeat a couple of times then nip up the nipple and see what happens, you can smear a bit of red rubber grease around the nipple threads to stop air getting in if needed. It's always worked for me in the past. It's better if you have someone watching the fluid level as you pump the pedal but I've done it by myself. 



#4 Zeemax_Mini

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Posted 13 October 2019 - 04:40 PM

Cheers mate, bar the rubber grease that's exactly what I've been doing with my dad. It seems to totally clear after a few pumps, but then the next one it suddenly has a load of air in it. Very strange!

#5 panky

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Posted 13 October 2019 - 08:28 PM

Did you leave the nipple open and just pump away?



#6 Avtovaz

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Posted 13 October 2019 - 08:47 PM

i had a absolute mare doing the one on the mini van. I had to push the slave right in and reverse bleed it.



#7 MiniMadRacer

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Posted 14 October 2019 - 10:34 AM

Did you replace the rubber hose ?



#8 Chris1275gt

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Posted 14 October 2019 - 11:21 AM

I had a mare so undid the slave cylinder from the clutch housing and held it vertically so the bleed nipple was at the top two pumps on the pedal and the air flew out and all done.




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