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how to bleed a hydraulic clutch

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Old Jan 22, 2014 | 06:34 PM
  #1  
neo31ny's Avatar
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Default how to bleed a hydraulic clutch

I'm having similar issues as others I've seen. We've had -20 plus degree weather here and this is the first day my clutch has acted up. It's only got like an inch of travel at best. It seems to work alright but I couldn't get it into gear today. I had to work the clutch for awhile. Maybe there's moisture in there but how exactly do I go about replacing the fluid without draining it and having to bleed it, the same way as brakes? Bleed a little at a time until the system is flushed?
 
Old Jan 23, 2014 | 09:28 AM
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Same as brakes, you flush fluid through until it comes out clear. No need to actually DRAIN it. In fact, draining it might give you more trouble if air is hanging out in the MC. In that case it because more difficult to bleed and/or you need to bench-bleed it.
 
Old Jan 23, 2014 | 12:23 PM
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Originally Posted by JimBlake
Same as brakes, you flush fluid through until it comes out clear. No need to actually DRAIN it. In fact, draining it might give you more trouble if air is hanging out in the MC. In that case it because more difficult to bleed and/or you need to bench-bleed it.
Thanks! I'm going to wait for it to warm up a before I do it, my clutch is still froze up a bit.
 
Old Jan 24, 2014 | 12:17 AM
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The only way you're going to have a problem is if there is a leak or some sort. Check behind the boot at the slave cylinder for a leak and underneath the dash at the master cylinder pushrod for a leak there.

It can even leak at the master cylinder and reservoir hose.

If it's not leaking externally it could be the master cylinder seals internally that are bad and aren't allowing pressure buildup.
 

Last edited by holmesnmanny; Jan 24, 2014 at 12:22 AM.
Old Jan 24, 2014 | 02:28 PM
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Well it's a bit warmer today so I went to inspect the fluid. It was low, I filled it up and now the pressure is great. Just going to keep an eye out for a possible leak. It was just odd that it acted up when it got cold. It does need a fluid change though, the fluid is black. Anyway thanks for the replies guys.
 
Old Jan 24, 2014 | 04:26 PM
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It's a great idea to change all the brake fluid every 2 or 3 years, many people don't, some end up with ABS issues.....
 
Old Jan 25, 2014 | 05:50 PM
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if adding fluid fixed it then ur gonna really need to rebleed it cause u have air in the system ... at some point the air bubble will manifest itself
 
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