Fig. 11 Cylinder Block Oil Lubrication System
1 – TO RIGHT CYLINDER HEAD
2 – TO LEFT CYLINDER HEAD
3 – OIL PUMP
4 – OIL PICKUP TUBE
5 – OIL FILTER
6 – TO CRANKSHAFT MAIN JOURNALS
7 – MAIN OIL GALLERY
FROM: TO: FROM: TO:
Oil Pump Oil Filter Mounting (inlet) Main Oil Gallery – Center
of Block
1. Crankshaft Main
Bearings
Oil Filter Mounting (inlet) Oil Filter 2. Left Cylinder Head*
Oil Filter Oil Filter Mounting (outlet) 3. Right Cylinder Head*
Oil Filter Mounting (outlet) Oil Gallery – Right side of
Block
Crankshaft Main Bearings Connecting Rod Bearings
Oil Gallery – Right side of
Block
Oil Gallery – Rear of
Block and to Oil Cooler
(some models)
Left Cylinder Head Refer to (Fig. 12)
Oil Gallery – Rear of
Block
Main Oil Gallery – Center
of Block
Right Cylinder Head Refer to (Fig. 13)
* The cylinder head gaskets have an oil restrictor to control oil flow to the cylinder heads.
9 - 10 2.7L ENGINE LH
DESCRIPTION AND OPERATION (Continued)