TM 5-3805-280-24-1
Diagnostic Information
Symptom
Problem
Solution
Turbocharger
Do turbocharger inspection. See
Engine Repair chapter.
Valves burned, warped
Repair valves. See Engine Repair
chapter.
Cam shaft worn
Do Valve Lift Test. See Engine
Repair chapter.
9010
15
Engine Overheats
Coolant level low
Fill cooling system and check for
5
leaks.
Thermostat stuck closed or missing
Test and/or reinstall. 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).
with dirt or fins bent
Clean radiator. Straighten fins.
Air filter plugged
Clean or replace elements.
Gauge or sender
Check gauge and sender. See
Group 9015-10.
Fan belt soaked with oil or pulleys
Inspect, replace. See Operator's
worn excessively
Manual or Repair Manual.
Shroud or baffles (foam rubber)
Inspect. Repair or replace.
missing
Fan blade on backward
Reinstall. See Engine Repair
chapter.
Fan belt tension adjuster
Replace.
Radiator cap or water in radiator
Test, replace cap.
Hydraulic system overheating
Verify, repair. See Group 9025-25.
Cooling system passages dirty
Flush cooling system.
Water pump
Repair. See Engine Repair chapter.
Continued on next page
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