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C6Z Clutch Fluid Flush and Replace DIY

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Old Jul 6, 2015 | 08:00 PM
  #1  
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Default C6Z Clutch Fluid Flush and Replace DIY

Empty/fill the reservoir only does so much, this is by far the easiest way I can show people how to flush ALL of the fluid.



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Old Jul 6, 2015 | 11:00 PM
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Thanks for the video--nicely done. However, it doesn't really help those of us who don't have a remote bleeder line on the slave cylinder. I've been changing my reservoir fluid in my '13 every 2-3 months and it seems to be staying a little cleaner with less of the black floaters and gunk that was showing up early in the car's life.

Now, if you could just make a nice instructional video on how to install a remote bleed line without dropping the driveline.
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Old Jul 6, 2015 | 11:15 PM
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I read that you need to push and hold the clutch down with the remote bleeder. Is that only necessary if you do not have a Mityvac pump?

Also, I read not to pump up too much vacuum so not to damage the seals.
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Old Aug 28, 2015 | 05:15 PM
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Originally Posted by icntdrv55
Thanks for the video--nicely done. However, it doesn't really help those of us who don't have a remote bleeder line on the slave cylinder. I've been changing my reservoir fluid in my '13 every 2-3 months and it seems to be staying a little cleaner with less of the black floaters and gunk that was showing up early in the car's life.

Now, if you could just make a nice instructional video on how to install a remote bleed line without dropping the driveline.
Take the intake manifold off
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Old Aug 28, 2015 | 08:39 PM
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Originally Posted by Mike's LS3
I read that you need to push and hold the clutch down with the remote bleeder. Is that only necessary if you do not have a Mityvac pump?

Also, I read not to pump up too much vacuum so not to damage the seals.
I have a mityvac (air bleeder) it doesn't create enough vacuum to hurt any seals.

As far as holding the clutch down, that i would imagine is only necessary without the vacuum method and doing the 2 man pump and hold bleed procedure.


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Old Aug 28, 2015 | 10:49 PM
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The trick to power flushing the clutch line, is to get cavitation in the slave cylinder space to unsettle the clutch dust in the bottom of the slave cylinder, and get the clutch dust to come out with the old fluid as well.

As for air, since the slave is the lowest point, and the reserve tank the highest, it will self bleed small air bubbles out on it own.

So although the remote bleeder makes bleeding the system easy in general, with the hose now above the slave cylinder, now a place for air to collect that will not self bleed out of the system, and worse in regards to clutch dust that you may have cavitated into the fluid with the fluid flowing fast enough through the slave cylinder, now has a long distance upwards that the suspended clutch dust in the fluid has to travel in the fluid/remote hose as well.


So in the video with the clutch fluid being drawn out so slowly via the hand pump , all I'm seeing is the air trapped in the remote bleeder line really being drawn out alone.
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Old Aug 28, 2015 | 11:16 PM
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If you try to use a mityvac on a remote bleeder with the clutch pedal down you won't get far. Fluid can't flow from the reservoir through the rest of the system unless the pedal is all the way at the top. I usually stick a ratchet or something behind the pedal to hold it up when bleeding the clutch with a mityvac (this is assuming you have removed the factory pedal spring)
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