TROUBLESHOOTING - Continued
TEST OR INSPECTION
ENGINE - Continued
If improper fuel is suspected, notify Organizational Mainte-
5. ENGINE OVERHEATS (COOLANT WARNING LAMP IS LIT)
NEVER remove radiator cap on overheated engine.
Check to see if engine coolant is low and if any leaks are visible.
Fill (p 3-21).
If leaks are visible, notify Organizational Maintenance.
Check to see if engine oil is low.
Fill (LO 9-2350-267-12).
Check radiator cap for tight fit.
Check to see if cooling fan is operating properly.
Notify Organizational Maintenance.
Check to see if radiator/grille is clogged.
Excessive engine idling at low rpm.
Increase idle speed to 1000-1200 rpm.