PCV System: Description

The 4-cylinder Non-Turbo crankcase ventilation system consists of an oil trap, flame guard, and PCV valve which are located in valve cover, vacuum hose to intake manifold, nipple and a hose to the air cleaner. The 4-cylinder Turbo system consists of an oil trap, PCV valve, and a vacuum hose to turbo-compressor intake.

The 6-cylinder crankcase ventilation system consists of an oil filter cap with one hose to air cleaner and a vacuum hose that divides and goes to right and left banks of the intake manifold. There is a PCV valve on each bank of the intake manifold where the vacuum hose attaches.

Crankcase ventilation system on diesel models consists of a hose from the valve cover to the hose connecting the air filter to the intake manifold. Turbo-Diesel models have a spring loaded oil separator valve in the valve cover.