6G–2
ENGINE LUBRICATION (X22SE 2.2L)
General Description
A gear-type oil pump is directly driven by the crankshaft
and draws oil from the oil pan, via the suction pipe. If
then passes the pressured oil through a full-flow
disposable oil filter, to the main oil gallery in the cylinder
Block. An oil pump pressure relief valve and oil filter
bypass valve are incorporated in the system.
From the main oil gallery in the cylinder block, the
cylinder head and crankshaft main bearings are
supplied with oil. The camshaft bearings and hydraulic
tappets are supplied through the main feed galleries in
the cylinder head. Vent valves allow air to be expelled
from the oil galleries in the cylinder head. The balance
shaft journals are directly fed from the crankshaft main
bearings. The connecting rod bearings are fed via
passages in the crankshaft. the oil returns to the oil pan
via passages in the cylinder block.
C06RW004
Legend
EndOFCallout
(1) Oil Strainer
(2) Oil Pump
(3) Relief Valve
(4) Oil Filter
(5) Safety Valve
(6) Oil Gallery
(7) Crankshaft Bearing
(8) Crankshaft
(9) Connecting Rod Bearing
(10) Connecting Rod
(11) Piston
(12) Oil Gallery; Cylinder Head
(13) Camshaft
(14) Camshaft Journal
(15) HLV
(16) Vent Valve
(17) Oil Pan