Interesting - Maybe I should have added a flame trap to the 5 cylinder breather system. My experience was positive crankcase pressure is less of an issue with those engines. If you use synthetic oil you should be fine. Strongly recommend that. Those engines (lumping together the 5 and 6 cylinders) don’t like conventional oil.
Yes, the breather box is pretty well buried on the 5 cylinders too. Can replace the breather box without removing the intake manifold but understand it is easier to remove the intake manifold first. Lucky me, never did that job. Avoided it like the plague… :)
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Will I buy another Volvo??? We'll see....
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