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Hi all
Ive replaced nearly every component on my clutch system, most recently I did the slave cylinder. It is really failing to bleed completely, I tried bleeding it at the bleed screw multiple times for hours on end to no avail. I bought a manual vacuum pump from harbor freight to bleed at the master cylinder, but there are two holes inside the master cylinder that are both so small I can’t get the cone head bits for the vacuum kit in them. I settled using a suction cup fitting that covers the entire bottom of the master cylinder. I pumped and got good vacuum, but when I pulled it off, all I did was suck out all the fluid in the master cylinder. I’m not sure what I am doing wrong?? Is there a bleed screw I can ad to the slave cylinder as opposed to having that weird hexagon set screw instead? It’s not even a real bleeder screw. I assume not for how shallow the hole is. What am I doing wrong reverse bleeding from the master cylinder? I even sanded down and cleaned the cone ends and they’re still too big to fit in the master cylinder holes? I have a steel braided hydraulic line so I’m not sure if that makes a difference somehow
I guess that hex screw is supposed to be a bleeder but I've never used it for that. When I get a new slave the first thing I do is tighten that hex screw to make sure it's tight and not going to leak.
I just posted some notes on the hydraulic clutch here:
I've replaced my clutch master once and my slave twice now. I still have the original OEM hydraulic line. Since you have an aftermarket line make sure the line is angled upward with no loops or downward sections going from the slave up to the master. You don't want any high spots that can trap air. The hydraulic clutch is self bleeding as long as air can travel up and out into the master. A small amount of air can keep the clutch from disengaging.
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