Isuzu NPR 4J Series User Manual

00 – 28 SERVICE INFORMATION
5) EXCESSIVE ROTATING PART WEAR
Checkpoint Trouble Cause Countermeasure
Engine oil Contaminated Change
Wrong grade or type Change
Turbocharger oil feed pipe Restricted Clean or replace
Turbocharger oil seal Defective Replace
Center housing oil
drain passage
Restricted Clean or replace
Turbine shaft Oil sludge and coking Replace
Engine lubrication system Inadequate oil supply Correct
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG

Isuzu NPR 4J Series Specifications

General

Brand	Isuzu
Model	NPR 4J Series
Category	Engine
Language	English