TM10-3950-672-24-2
Troubleshooting Logic
List of Symptoms ....................................................................................................................................................... Page
Alternator Not Charging Or Insufficient Charging ........................................................................................................ 5-48
Coolant Loss .............................................................................................................................................................. 5-32
Coolant Temperature Above Normal .......................................................................................................................... 5-28
Coolant Temperature Below Normal ........................................................................................................................... 5-31
Compression Knocks .................................................................................................................................................. 5-42
Contaminated Coolant ................................................................................................................................................ 5-39
Contaminated Lube Oil .............................................................................................................................................. 5-40
Engine Cranks But Will Not Start - No Smoke From Exhaust ..................................................................................... 5-11
Engine Hard To Start Or Will Not Start Smoke From Exhaust .................................................................................... 5-13
Engine RPM Will Not Reach Rated Speed ................................................................................................................. 5-21
Engine Runs Rough Or Misfiring ................................................................................................................................ 5-19
Engine Starts But Will Not Keep Running ................................................................................................................... 5-15
Engine Will Not Crank Or Cranks Slowly .................................................................................................................... 5-10
Engine Will Not Shut Off ............................................................................................................................................ 5-44
Excessive Engine Noises ........................................................................................................................................... 5-47
Excessive Exhaust Smoke ......................................................................................................................................... 5-27
Excessive Fuel Consumption ..................................................................................................................................... 5-43
Excessive Vibration .................................................................................................................................................... 5-45
Fuel Or Oil Leaking From Exhaust Manifold ............................................................................................................... 5-41
Low Power ................................................................................................................................................................. 5-23
Lube Oil Loss ............................................................................................................................................................. 5-37
Lubricating Oil Pressure Low ...................................................................................................................................... 5-34
Lubricating Oil Pressure Too High .............................................................................................................................. 5-36
Rough Idle (Irregularly Firing Or Engine Shaking) ...................................................................................................... 5-17
Surging (Speed Change) ............................................................................................................................................ 5-16
5-9