Isuzu L Series User Manual

II. Engine Component Description
U L-Series Diesel 18
Lubrication (continued)
Below is the oil full flow diagram. Note the valve opening pressure for the oil filter bypass valve
(14 PSI is where the valve begins to open. The same is true for the oil pump relief valve, which
begins to open at 64 PSI.).

Isuzu L Series Specifications

General

Brand	Isuzu
Model	L Series
Category	Engine
Language	English