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oil separator
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  1. 1.8L / 2.0L Duratec Petrol Engines (Mondeo Mk3)
    And the last video from my intake manifold series... A split PCV hose seems to be a common cause of vacuum leaks. In my case the hose was soft and collapsing. If you're doing the job, replace the valve too as they're cheap enough. Finally inspect the oil separator and crankcase innards for...
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