RAM 2500 Truck 2WD V10-8.0L VIN W (2003)
Positive Crankcase Ventilation Valve: Locations
PCV FILTER
The crankcase breather/filter is no longer used with the 3.9L, 5.2L or 5.9L engine.
PCV VALVE
All 3.9L V-6 and 5.2L/5.9L V-8 gas powered engines are equipped with a closed crankcase ventilation system and a positive crankcase ventilation
(PCV) valve. The 8.0L V-10 engine is not equipped with a PCV valve. Refer to Crankcase Ventilation System-8.0L V-10 Engine for information.
Fig. 4 Typical PCV Valve/Hose (Non-California Shown)
This system consists of a PCV valve mounted on the cylinder head (valve) cover with a hose extending from the valve to the intake manifold.
Another hose connects the opposite cylinder head (valve) cover to the air cleaner housing to provide a source of clean air for the system. A
separate crankcase breather/filter is not used.
Fig. 5 Typical Closed Crankcase Ventilation System
The PCV system operates by engine intake manifold vacuum. Filtered air is routed into the crankcase through the air cleaner hose. The metered
air, along with crankcase vapors, are drawn through the PCV valve and into a passage in the intake manifold. The PCV system manages crankcase
