TM 5-3805-281-24-1
Diagnostic Information
Symptom
Problem
Solution
Engine Overheats
Coolant level low
Fill cooling system and check for
leaks.
Thermostat stuck closed or missing
Test. Install thermostat. See Group
0400 and Engine Repair chapter.
Radiator screen plugged
Remove and clean screen.
Radiator, oil cooler cores plugged
Check air flow. See Group 9010-25.
9010
15
with dirt or fins bent
Clean radiator. Straighten fins.
5
Air filter plugged
Clean or replace elements.
Gauge or sender
Check gauge and sender. See
Group 9015-15.
Fan belt soaked with oil. Belt or
Inspect, replace. See Operator's
pulleys worn excessively
Manual or Group 0510.
Shroud or baffles (foam rubber)
Inspect. Repair or replace.
missing
Fan blade on backward
Install correctly. See Group 0510.
Fan belt tension adjuster
Replace.
Radiator cap
Test, replace cap.
Water used in radiator
Replace with correct coolant mixture.
Hydraulic system overheating
Verify, repair. See Group 9025-25.
Cooling system passages dirty
Flush cooling system.
Water pump
Repair. See Engine Repair chapter.
Fuel injection pump timing
Check injection pump static timing.
See Engine Repair chapter.
Fuel delivery excessive
Remove and adjust fuel injection
pump. See your Local Fuel Injection
Pump Service Center.
Engine Stalls Easily Under Load
Water separator filter plugged
Change water separator filter.
Continued on next page
CED,TX14795,4357
1917APR985/12
3-33
