Isuzu NHR 4J Series Workshop Manual page 28

00 – 24 SERVICE INFORMATION
Checkpoint
Air breather
OK OK
Boost compensator
(Injection pump)
OK
Turbocharger oil seal
OK
Turbocharger oil drain pipe
OK
Turbine wheel
OK
Compressor wheel
OK
Oil pressure
Continued on the next page
3) EXCESSIVE OIL CONSUMPTION
Trouble Cause
NG
Restricted
NG
Defective
NG
Leakage
NG
Restricted
NG
Impact damage
NG
Impact damage
NG
Excessive
Countermeasure
Clean
Repair or replace
Replace
Clean or replace
Replace
Replace
Repair