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tj698851@yahoo.com Rookie

I have removed the oil/air separator how do I tell if this valve is working

thank you, tom

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It's not really a valve, it's just a chamber where the oil mist can separate for the air and the oil drains back into the pan, there shouldn't be that much air travelling through it unless you have serious blow by from worn out rings.
That caused by poor air filters letting very fine dust to pass and that wipes out the rings. OR so it was for me.

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  • 2 weeks later...

do a compression check and see what you get, another more difficult is the blow down test which is build and adapter and blow air into you cylinder, I ran with a bad filter and wiped out my rings and I drool all over my separator, I later made my own and I think it's better and cheaper.

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