00 – 26 SERVICE INFORMATION
4) EXCESSIVE TURBOCHARGER NOISE
Checkpoint Trouble Cause Countermeasure
Intake and exhaust
system joints
Restricted Repair
Intake and exhaust system
gaskets
Damaged Replace
Turbocharger rotating parts Rough rotation Replace
Rubbing against housing Repair or replace
Damaged Replace
Rubbing against housing Repair or replace
Damaged Replace
Continued on the next page
OKOK
OK
OK
NG
NG
NG
NG
NG
NG
NG
Compressor wheel
Turbine wheel
Carbon deposits Clean or replace
NG
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