Symptom Tree t027
| Cause | Correction |
|---|
|
Crankcase ventilation system is plugged |
Check and clean the crankcase breather and vent tube. Refer to Procedure 003-021. |
 |
|
Turbocharger oil seal is leaking |
Check the turbocharger compressor and turbine seals. Refer to Procedures 010-040 and 010-049. |
|
|
Air compressor is malfunctioning |
Isolate the air compressor by disconnecting the air inlet and outlet lines. Refer to Procedure 012-018. 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. |
|
|
Piston, cylinder liner, or piston rings are worn or damaged |
Check for air intake system leaks. Refer to Procedure 010-024. Check the pistons, piston rings, and liners for wear or damage. Refer to Procedures 001-043 and 001-047. |
