Levin brake caliper

[Andymcm]

The bleed valve is leaking on my caliper, anyone bleed valve was tried and no joy, does this mean a new caliper required ? Would prob be hard to source an replacement.

[Gainzy]

http://www.ukstarletowners.com/user/9327-russ78/

Drop him a message he might be able to help.

[morgey]

Maybe theres some crap at the bottom of the hole? They rely on a clean face to shut against to seal off, would only need a small amount of grit to stop it sealing.

[Andymcm]

It's been completely cleaned out and blown out with an air line and still won't seal, seems the thread ain't great on it I think

[Ep82gi]

Personal I'd got to my local motor factors and see if you can get one just a little longer on the calliper (threaded) side plus being new you know it's not damaged slightly. They seal just like the AN fittings so any damage to the tapered end will give you a leek. That's said I have also had older motorcycles where under the Nipple has been a spring and a small ball and again any damage to these cause a leak. Especially if they have been lost.

[Andymcm]

Another bleed valve off a working caliper and been tried on it and still no joy, even tried Ptfe tape on the threads as a temporary fix and still no joy

[Ep82gi]

Well then I'd be inclined to drill and

re-tap the hole then replace with a thicker nipple. If that don't work then replace and it could have a hairline crack in it. Have you have it pressure tested? For cracks?

[Andymcm]

It hasn't been pressure tested, what's the best way to do that ? Drilling out may be a good idea if it ain't cracked.

[Ep82gi]

We'll most good engineer places can pressure test as they use it for heads and stuff but you can make one at home I suppose with the correct fittings and with it mounted up so your not just pushing the piston out.

[Andymcm]

Might see if I can get it left off at an engineer place then so least then it can be assessed or redrilled before I go out and get a new one