Electronic fault codes active or high counts of inactive fault codes
View and troubleshoot the fault codes with INSITE • Refer to the Troubleshooting and Repair Manual, CM21 00 and CM2150 Electronic Control System, Bulletin 4021570.
Engine is operating for extended periods under light- or no-load conditions (slobbering)
Review the engine operating instructions in Section 1 of the Operation and Maintenance Manual, or the corresponding Owners Manual. Low oil and coolant temperatures can be caused by long idle time (greater than ten minutes). Shut off the engine rather than idle for long periods. If idle time is necessary, raise the engine /idle speed. Review the operating instructions in the relevant manuals.
White smoke is present
Refer to the Engine Performance symptom tree.
Lubricating oil lines leak oil
Check all oil lines and fittings for leaks. Tighten loose fittings and replace leaking oil lines if
necessary.
Turbocharger oil drain line is restricted
Remove the turbocharger oil drain line and check for restriction. Clean or replace the oil drain line.
Refer to Procedure 010-045.
Crankcase ventilation system is malfunctioning
Verify crankcase vent system operation. Refer to Procedure 003-001 or 003-002.
Crankcase pressure is excessive
Check for excessive blowby. Refer to Procedure 014-010. If the crankcase gases (Biowby) is above
specifications, go to the Crankcase Gases (Biowby) Excessive symptom tree.
Lubricating oil or fuel is entering the turbocharger
Remove the intake and exhaust piping, and check for oil or fuel.
Air intake system restriction is above specification
Check the air intake system for restriction. Clean or replace the air filter and inlet piping as necessary. Refer to Procedure 010-031.
Exhaust system restriction is not within specification
Check the exhaust system for restrictions. Refer to Procedure 011-009.
Turbocharger oil seal is leaking
Check the turbocharger compressor and turbine seals. Refer to Procedures 010-033.
Turbocharger wheel clearance is out of specification
Check the radial bearing clearance and axial clearance. Inspect the turbocharger. Repair or
replace the turbocharger if necessary. Refer to Procedure 010-033.
Valve stem clearance is excessive or the valve stem seals are damaged
Check the valve stems and seals. Refer to Procedures 002-004.
