TM 9-6115-729-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
CORRECTIVE ACTION - Continued
STEP 3.
If coolant has been replaced recently, ensure that air has been purged from the
cooling system by running the engine for a few minutes.
STEP 4.
Verify the problem has been resolved.
MALFUNCTION
Thermostat Malfunction.
CORRECTIVE ACTION
STEP 1.
On EMCP set Engine Control Switch to OFF/RESET. Set Battery Disconnect
Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
Remove and inspect thermostat. Replace as required (WP 0082).
STEP 3.
Verify the problem has been resolved.
MALFUNCTION
Water Pump Malfunction.
CORRECTIVE ACTION
STEP 1.
On EMCP set Engine Control Switch to OFF/RESET. Set Battery Disconnect
Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
Inspect water pump belt. Replace or tighten as required (WP 0073).
STEP 3.
Inspect water pump impeller. Replace water pump if impeller is damaged
STEP 4.
Verify the problem has been resolved.
MALFUNCTION
Engine Coolant Flow Restrictions.
CORRECTIVE ACTION
STEP 1.
On EMCP set Engine Control Switch to OFF/RESET. Set Battery Disconnect
Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
If a buildup of deposits in the cooling system is suspected, clean the cooling
STEP 3.
If the flow of coolant through the engine is not sufficient, determine the cause of
obstruction and repair as required.
STEP 4.
Verify the problem has been resolved.
0011-46
