Excessive Rotating Part Wear - Isuzu 4JB1 Service Information

00 – 28 SERVICE INFORMATION
Checkpoint
Engine oil
OK
Turbocharger oil feed pipe
OK
Turbocharger oil seal
OK
Center housing oil
drain passage
OK
Turbine shaft
OK
Engine lubrication system

5) EXCESSIVE ROTATING PART WEAR

Trouble Cause
NG
Contaminated
NG
Wrong grade or type
NG
Restricted
NG
Defective
NG
Restricted
NG
Oil sludge and coking
NG
Inadequate oil supply
Countermeasure
Change
Change
Clean or replace
Replace
Clean or replace
Replace
Correct