Symptom Tree t092
| Cause | Correction |
|---|
|
Bulk oil supply is contaminated |
Check the bulk oil supply. Drain the oil and replace with noncontaminated oil. Clean the Eliminator oil filter centrifuge. Refer to Procedures 007-013 and 007-025. |
 |
|
Engine idle time is excessive |
Low oil and coolant temperatures can be caused by long idle time (greater than 10 minutes). Shut off the engine rather than idle for long periods. If idle time is necessary, raise the idle speed. Procedures 007-013 and 007-025 |
|
|
Fuel drain line restriction |
Check or replace the fuel lines, check valves, or tank vents as needed. Refer to Procedure 006-012. |
|
|
Top injector o-ring or injector timing plunger is damaged |
Perform the fluorescent dye tracer test to find the bad injector. Replace the injector or o-ring. Refer to Procedure 006-026. |
|
|
Injector adapter wall is damaged behind the balance orifice |
Check the injectors for damage. Refer to 006-026. |
|
|
Injector cup is damaged or is not correct |
Check the injector cups for damage and for correct part numbers. Refer to 006-026. |
|
|
Fuel pump gear pump main shaft seals are leaking |
Check the gear pump main shaft and seals. Refer to the M11 Series, Shop Manual, Bulletin 3666075. |
|
|
Cylinder head is cracked or porous |
Pressure-test the cylinder head. Refer to Procedure 002-004. |
|
|
STC oil control valve is damaged |
Remove and inspect the STC valve. Refer to Procedure 006-037. |
