Condition
Causes
Remedies
1. Exhaust gas
excessive
2. White smoke
excessive
3. Output lowered
4. Abnormal
noises
or vibrations
10.4.7. Trouble Cause Diagnosis and Remedy
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1) Air cleaner elements clogged
2) Air Inlet port clogged
3) Air leaks from air intake system
4) Turbocharger impossible to rotate
due to stuck
5) Turbine wing’s contact
6) Piping deformation or clogging of
exhaust system
1)
Oil leaks into turbine and
compressor.
2) Seal ring’s abnormal wear or
damage
1)
Gas leak from various parts of
exhaust system
2) Air cleaner’s elements clogged
3) Turbocharger’s pollution or
damage
4) Air leaks from discharge part of
compressor side
1) Revolving parts’ contact
2) Revolving imbalance of rotor
3) Stuck
4) Various connections loose
Replace or clean
Inspect or repair
Inspect or repair
Overhaul and repair or replace
Overhaul and repair or replace
Inspect and repair
Overhaul and repair or replace
Overhaul and repair or replace
Inspect and repair
Replace or clean
Overhaul and repair or replace
Inspect and repair
Overhaul and repair or replace
Overhaul and repair or replace
Overhaul and repair or replace
Inspect and repair