Dodge RAM 1500 1998 Owner's Manual page 2579

25 - 18 EVAPORATIVE EMISSIONS
PCV VALVE (Continued)
Fig. 11 CRANKCASE BREATHERS (2) - 3.7L V-6 /
1 - CRANKCASE BREATHERS (2)
2 - REAR OF ENGINE
5.7L V-8
The 5.7L V-8 engine is equipped with a closed
crankcase ventilation system and a Positive Crank-
case Ventilation (PCV) valve.
This system consists of:
• a PCV valve mounted into the top of the intake
manifold, located to the right / rear of the throttle
body (Fig. 12). The PCV valve is sealed to the intake
manifold with 2 o-rings (Fig. 13).
• passages in the intake manifold.
• tubes and hoses to connect the system compo-
nents.
5.9L V-8
The 5.9L V-8 engine is equipped with a closed
crankcase ventilation system and a positive crank-
case ventilation (PCV) valve.
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 (Fig. 14).
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 crank-
case breather/filter is not used.
4.7L V-8
Fig. 12 LOCATION 5.7L PCV VALVE
1 - TOP OF INTAKE MANIFOLD
2 - THROTTLE BODY
3 - AIR RESONATOR
4 - PCV VALVE
Fig. 13 5.7L PCV VALVE
1 - PCV VALVE
2 - O-RINGS
3 - ALIGNMENT TABS
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