Many of their items are UK sourced, but some are not. When I put the original fitting into this new cylinder, it does just that - diameter is very similar, but pitch binds it up in a turn or less.Īnyway, I doubt that Moss knows exactly what they're selling. Yes, if it's the difference between 10mm and 3/8" with the exact same pitch - this seems unlikely though, because if it's a 20 thread / inch pitch, I'd expect a similar metric-pitched thread to not exactly match that and bind up at some point. While I wait for that bleeder, I'll see what else can get done. On one side, it seems strange to me that a master cylinder whose job is to pump fluid can't pump it upwards a little, but it may really be the weight of the fluid in the upward-routed tube that falls back down into the cylinder even with the bleed closed on the outlet end, so the fluid never makes it up and over to where an equal amount of downward-running fluid would be present to counterweight the upward-running fluid.
More widely available (and universal) vacuum bleeders seemed to not be as reliable for this system. (Gunson Eezibleed, ships from UK) The "hump" is the fact that both lines exit the top of the master cylinder, go up the firewall a couple of inches, before routing across the firewall and back down on the right side. Checking the AH forum, this seems to be very common, so I ordered the pressure bleeder recommended there. I tried to bleed the system yesterday, but the fluid couldn't make it "over the hump". The fitting that came off the car - I'll try to clean that up for possible future use, but it was pretty corroded. Thanks - I'll see what happens with the tube I installed, because the thread on this replacement slave cylinder is not the same as what was on the car (and I got this cylinder from Moss). Keep a new fitting on hand as a guide for reference as to the re usability of your old fittings and a guide to how it should look after you repair old distorted fittings. But these days you probably have to order from Moss. New ones, both the fittings themselves and pre made lines ,were at one time readily available. If they are badly opened up it is best to replace them. If the distortion is minor you can file them back to the correct shape. The part of the fitting closest to the flare can itself become flared out and becomes very hard to start back into a new component. Also note the fittings themselves can become distorted if they are tightened too hard. They are usually called " bubble flares ".
But note the flares are different from regular U.S. I have lots of spares off parts cars if the fitting is damaged. I almost always make my own lines, re use the fittings. But the tube itself is standard imperial tube.
British tube fittings are unique to British cars.
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