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

View Related Topic Symptom Tree  t048   Printable Version This is symptom tree t048 Cause Correction Engine is operating at low ambient temperature Check the winterfront, shutters,…

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

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  t038   Printable Version This is symptom tree t038 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

Symptom Tree  t037   Printable Version This is symptom tree t037 Cause Correction Interview the operator to verify the complaint Refer to Driveability-General Information, the Driveability/Low-Power Customer…

View Related Topic Symptom Tree  t036   Printable Version This is symptom tree t036 Cause Correction Engine brake on/off switch is off Turn on the switch.  …

Symptom Tree  t028   Printable Version This is symptom tree t028 Cause Correction Filter miles or hours is at expected maintenance interval for replacement Review the engine’s…

Symptom Tree  t027   Printable Version This is symptom tree t027 Cause Correction Turbocharger oil seal is leaking Isolate the turbocharger to determine if the turbocharger seals…

Symptom Tree  t025   Printable Version This is symptom tree t025 Cause Correction EGR cooler leaking coolant Check the EGR cooler for leaks. Refer to Procedure 011-019…