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Valve/breather on camshaft cover

Chat about your 9n Polo (inc GT and Fun)
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littlepolo
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Joined: Thu Jul 21, 2011 9:47 pm

Valve/breather on camshaft cover

Post by littlepolo » Fri Jan 12, 2018 12:50 pm

What is the purpose of this thing that sits atop the camshaft carrier?

Does the oil separator at the rear of the block not provide breathing for the crankcase?

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alexperkins
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Re: Valve/breather on camshaft cover

Post by alexperkins » Fri Jan 12, 2018 3:41 pm

Its a one way valve to allow air in but not oil vapour out. Without it, youll get backflow and oil will come out.

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