Club 80-90 Forums

I have ordered a new membrane.. However it seems to be a little different from the original, since with the original the piston can go completely inside without effort, while with the new one I have to push it inside. Is this normal?? Or did I buy the wrong membrane?? https://i.imgur.com/2P62Y20.jpe...

Thanks all for your replies!
I've ordered the new rubber and will go on with the rebuild of the valve!!

Didn't try since I read it works on positive pressure coming from the turbo..
And since there's a spring inside with vacuum it can't move "back" any further!

Hello! First post here..! Hope not a stupid question.. I have an '89 Caravelle with JX engine. Today I was checking the LDA valve and it seems to not work properly.. It's not the one with the membrane.. It's all metal with some kind of "piston " inside. If I connect a bike pump instead of ...