Crankcase Ventilation Heater

The crankcase ventilation heater is used to heat the crankcase ventilation system vapor to keep any oil that may be present from sludging in the charge air cooler, turbocharger and intake manifold. The crankcase ventilation heater is located on the crankcase ventilation hose. For additional information on the crankcase ventilation system, refer to CRANKCASE VENTILATION SYSTEM .