What is the purpose of the ventilation holes in the oil filler cap?
What would happen if the cap were completely sealed?
The reason I ask is that I notice most of my excess engine smoke seems to come out of the filler cap gap and holes, and not much is going out the PCV tube.
Any thoughts?
-Rick
What would happen if the cap were completely sealed?
The reason I ask is that I notice most of my excess engine smoke seems to come out of the filler cap gap and holes, and not much is going out the PCV tube.
Any thoughts?
-Rick
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