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Bleeding External Clutch Hydraulic Release Systems with Bleed Screws

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Uploaded by on May 7, 2010

Bleeding External Clutch Hydraulic Release Systems with Bleed Screws

In this video Gray Croyle demonstrates a bench bleeding technique for clutch master cylinder and external slave cylinder which has a bleed screw.

Actual bleeding time is unedited - it takes roughly 4 minutes.
Time: 1:55 - 5:55

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Uploader Comments (perfectionclutch)

  • Use a new hand pump oil can and hose that fits your bleeder, fill it with new fluid and pump the can until fluid reaches the end of the hose. Then connect that to the bleeder on your slave cylinder. Make sure your master reservoir is half full. Begin to pump the oil can and watch the air bubbles get pushed out of the system until their is no bubbles. Close bleeder

    This is such a better method as air likes to travel upward and in my case the lines would be harder to disconnect for a bench bleed.

  • @virgojeep1 This is one technique, others exist I agree. One of the biggest things sometimes is to look at the installed system and look for air traps. Then figure out what is possible to do to work around the air trap. Each system must be evaluated and a technique chosen. It's not a one technique only project sometimes. Thanks for your comments. Gary

  • Very well explained !!! Love the vids !!

    But I have a question : What to do when the slave cylinder don't have the bosses to screw the harmonic damper puller? How to bleed on the bench in that situation ?

  • @MUSTANGVERDE

    Each slave cylinder must be considered on its design, can I safely block it for this test? I have used the damper/steering wheel puller, a stout c-clamp, one time I made a block for a Nissan out of a piece of engle iron. I think the biggest question is if I was an air bubble, where would I hide? Then decide the best way to get the bubbles out, out via the reservoir, or out via a bleed screw. Gary

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  • I accidently ordered a 98 slave cylinder for my 91 4runner. Should I reorder a 91 cylinder or will the 98 one work fine?

  • works perfect every time. thanks for the great info

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