Symptom Tree  t049   Printable Version This is symptom tree t049 Cause Correction Refer to Engine Noise Diagnostic Procedures – General Information at the end of Section…

Symptom Tree  t048   Printable Version This is symptom tree t048 Cause Correction When troubleshooting engine noise complaints, make sure the engine accessories (air compressor, fan clutch,…

Symptom Tree  t047   Printable Version This is symptom tree t047 Cause Correction When troubleshooting engine noise complaints, make sure the engine accessories (air compressor, fan clutch,…

Symptom Tree  t045   Printable Version This is symptom tree t045 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

Symptom Tree  t042   Printable Version This is symptom tree t042 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

Symptom Tree  t041   Printable Version This is symptom tree t041 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

Symptom Tree  t033   Printable Version This is symptom tree t033 Cause Correction Verify the complaint Test the engine operation while under load. Perform an engine acceleration…

Symptom Tree  t027   Printable Version This is symptom tree t027 Cause Correction Crankcase ventilation system is plugged Check and clean the crankcase breather and vent tube.…

Symptom Tree  t025   Printable Version This is symptom tree t025 Cause Correction Lubricating oil cooler is leaking Check the lubricating oil cooler for coolant leaks and…

Symptom Tree  t024   Printable Version This is symptom tree t024 Cause Correction Coolant temperature gauge is malfunctioning Test the temperature gauge. Repair or replace the gauge,…