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Astra J 1.6 Rocker Cover Issue??

28K views 12 replies 12 participants last post by  J W  
I would say it's definitely the cover - the breather valve in it breaks up and doesn't work properly hence the pressurisation you hear with the whistling and the suck at the filler cap.

It's a common cover for all the 1.6 and 1.8 VVT engines whatever car they're fitted in.

They're fairly pricey though, ~ÂŁ250 from memory.