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R33 Clutch Slip Problem

R31 POWER
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R31 POWER Mentor

R31 POWER

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Roughly 280rwkw and has unknown clutch. Problem started when the clutch pedal box broke, got welded and pedal would stick half way down while releasing it sometimes. Easy fix would be to flip it back up with my foot, carry on. I bled the clutch in the right sequence, had no air in it.

When i would be changing gears quickly (harsh) it would stick most the time resulting in slip. If i had it in gear, just say second, flooring it would make it wheel spin, what the?? It's like the clutch is releasing slowly but only on gear changes.

Yesterday i got a new pedal box, welded it all up so it wont crack and lubed it. Pedal releases fine now and feels great changing gears. Once again, if i drop 3rd in the wet it will slip, just flooring it in 3rd it will wheel spin. In 4th and 5th it wont slip by just flooring it so the clutch must be ok?

Driving me crazy as i have all this power and cant shift hard. Also when it slips the clutch would be getting raped, even though i back off straight away!

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Dobz Experienced

Dobz

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If it slips with quick shifting but clamps when you're shifting slowly and giving it the boot a couple of seconds after you shift then it could be the piston in your slave cylinder sticking and releasing too slow when you dump the clutch.

It's worth getting someone to look under your car at the slave cylinder to see how quick it releases when you take you foot off the clutch quickly, as you could imagine it should release as quickly as you foot comes off the pedal. Any hesitation of the slave cylinder releasing quick enough should be noticeable.

R31 POWER Mentor

R31 POWER

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Still slipped if smashing gears after i sprayed wd40.

I have noticed that sometimes it's hard to get out of first gear once fully stopped. To me thats saying the clutch is'nt fully dis engaged. So i un did the lock nut on the master cylinder pushrod and turned it about half a turn clockwise. Pedal just has some free play and no more slipping now.

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