Reply With QuoteWhats the outcome Brackie, any good!! seems you are having some bad luck here..
Ultimate Dubber
Put a thick bead of instant gasket over the o ring seal and try it.
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Whats the outcome Brackie, any good!! seems you are having some bad luck here..
Nah... No outcome. I sent the seals from the old MC to ABS in Hobart but they don't have any replacements. I intended to rebuild the old MC and see if the problem was specific to the new MC. Absolutely NOBODY I have spoken to knows why I am having this problem! At the moment I'm doing building things to the house (as well as routine farm work) so it's on the backburner. I'll get back to it next week with a bit of luck. It's a good thing my trusty old diesel is still chugging away!
simple just replace the one way valve which comes off the manifold ..better still use a clamp seal it off and start the engine....brakes hard? then check if the valve hasn't been fitted arse about...sounds like the hydraulic part of the brakes are fine...the valve the valve..as it was taken to the crushes cheers steve
Didn't know there was one! I'll check it out when I get the MC back together.
its a small cicular valve which is in line from manifold to booster...if it's missing ...thats the problem...if there try sucking thru it one way..then blow back it should seal ...sounds like the prob cheers steve
Finally got a few minutes to look at the brakes. Checked the one-way vacuum valve but it's OK (thanks, Steve!). Carefully compared the fit of the primary pistons from both MCs onto the pushrod in the booster. Exactly the same. Can't find anything (spacer maybe??) that may have dropped into the booseter body when I took the MC off. Reassembled the "new" master cylinder so it's ready to go in. Now have to bench-bleed it. Hopefully by the end of the week????
Bench bled the MC. Reassembled everything and bled the system. Gasket sealed the "o" ring. Brakes came up high and hard (just like me when I was a young bloke!) Then I started the motor..... To the floor. I'm now convinced it's the booster (you appear to have been right Looney) so I'll have to find another. I can't understand why it should suddenly fail as it was working fine before initial disassembly, but it's the only thing left. So who's got a booster? I reckon it'll be almost impossible to get one here in Tassie. By the way, I drove the car with the booster disconnected and the brakes worked fine except I had to push real hard. No sponginess or fade.
are you sure about the valve?????cheers steve
Absolutely... But I'll re-check anyway!
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