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Symptom Tree t027
| Cause | Correction |
|---|
|
Crankcase ventilation system is plugged |
Check and clean the crankcase breather and vent tube. Refer to Procedure 003-001 in Section 3. |
 |
|
Turbocharger oil seal is leaking |
Check the turbocharger compressor and turbine seals. Refer to Procedure 010-040 and Procedure 010-049 in Section 10. |
|
|
Air compressor is malfunctioning |
Isolate the air compressor by disconnecting the air inlet and outlet lines. Refer to Procedure 012-014 in Section 12. Check blowby. If blowby is within specifications, rebuild or replace the air compressor. |
|
|
Cylinder head valve guides are excessively worn |
Check the valve guides for wear. Replace the cylinder head, if necessary. Refer to Procedure 002-004 in Section 2. |
|
|
Piston, piston rings, or cylinder liner is worn or damaged |
Inspect the air intake system for leaks. Refer to Procedure 001-043, Procedure 001-047, and Procedure 001-028 in Section 1. |
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