Engine noise – Crankshaft noise
Precautions: General safety (00)
Perform troubleshooting referring to the following points when ECM has detected no DTC and no abnormality has been found in Visual Inspection:K14C and Engine Basic Inspection:K14C.
| Condition | Possible Cause | Action |
|---|---|---|
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Engine noise – Crankshaft noise
NOTE:
Before checking mechanical noise, check that:
•Specified spark plug is used.
•Specified fuel is used. |
Low oil pressure
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Condition “Low oil pressure”
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Worn main bearing
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Worn crankshaft journal
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Loose bearing cap bolts
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Excessive crankshaft thrust play
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