Lubricating Oil Flow; General Description - Isuzu A-4JA1 Workshop Manual

LUBRICATING OIL FLOW

Battery
Oil filter and cooler assembly.
Filter cartridge
Partial flow
oil filter
(If so equipped)
Oil cooler
Oil pump
(Orifice)
Oil strainer
The A-4J Series engine lubricating system is a full flow type.
Lubricating oil is pumped from the oil pump to the cylinder body oil gallery through the oil cooler and the
oil filter. It is then delivered to the vital parts of the engine from the cylinder body oil gallery.

GENERAL DESCRIPTION

Warning
Light
Oil pressure switch
Main flow
oil filter
Relief valve
Regulating
valve
Cylinder block oil gallery
Idle gear
shaft
Crank shaft
bearing
Oil pipe
Connecting
rod bearing
Timing
gears
Oil pan
LUBRICATING SYSTEM
Vacuum
Camshaft
pump
bearing
Rocker arm
shaft
Rocker arm
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