Fuel Delivery: VOLVO: VOLVO: Description

The 4 cylinder crankcase ventilation system consists of a flame guard and PCV valve, located in valve cover, vacuum hose to intake manifold and a hose to air cleaner. The 6 cylinder crankcase ventilation system consists of a oil filter cap with one hose to air cleaner and a vacuum hose that divides and goes to right and left bank of intake manifold. There is a PCV valve on each bank of intake manifold (where vacuum hose attaches).