Dodge RAM 1500 1998 Owner's Manual page 1373

9 - 150 ENGINE - 4.7L
LUBRICATION
DESCRIPTION
The lubrication system (Fig. 92) is a full flow fil-
tration pressure feed type.
1 - LEFT CYLINDER HEAD OIL GALLERY
2 - OIL PRESSURE SENSOR LOCATION
3 - TO LEFT CYLINDER HEAD
4 - OIL FEED TO IDLER SHAFT
5 - OIL PUMP OUTLET TO BLOCK
6 - OIL PUMP
OPERATION
pump directly mounted to the crankshaft nose. Oil
pressure is controlled by a relief valve mounted
inside the oil pump housing. For lubrication flow
refer to (Fig. 92).
Fig. 92 Engine Oil Lubrication System
7 - TO CRANKSHAFT MAIN JOURNALS
8 - RIGHT CYLINDER HEAD OIL GALLERY
9 - TO RIGHT CYLINDER HEAD
10 - CYLINDER BLOCK MAIN GALLERY
11 - OIL FEED TO BOTH SECONDARY TENSIONERS
Oil from the oil pan is pumped by a gerotor type oil
DR