PCV Systems: Deep Breathing Exercises
The positive crankcase ventilation (PCV) valve is a little component that can cause big problems if it isn’t working. Neither your customer’s engine nor your job profitability will flourish if you don’t properly diagnose PCV leaks.
VIDEO: Checking Crankcase Gasket For Oil Leak
Andrew Markel explains how a gasket that comes in contact with crankcase vapors can cause an oil leak, and how you can test pressure and vacuum with the right tools.
