If you’re seeing vapor coming from the breather or crankcase vent, you’re probably asking:
Is this normal or is my engine going bad?
That’s where a lot of confusion comes in.
Some blow-by is completely normal. But excessive blow-by can point to internal wear, poor sealing, or a bigger issue building over time.
The key is knowing the difference.
Continue reading Diesel Engine Blow-By: How Much Is Normal and When Should You Be Concerned?
