TROUBLESHOOTING PROCEDURES - CONTINUED
Table 1. Troubleshooting Procedures - Continued.
TEST OR INSPECTION
DO NOT service cooling system unless engine has been allowed to cool down. This is a pressurized cooling
system and escaping steam or hot coolant will cause serious burns.
DO NOT remove cooling system radiator cap when engine is hot. Allow engine to cool down. Failure to follow
this warning may cause serious burns.
Wear effective eye, glove, and skin protection when handling coolants. Failure to do so may cause injury.
Coolant Temperature Alert Indicator is
1. Check coolant temperature
1. Reduce load and continue to
On and Action Light Flashes,
gage for an indication above
Indicating Engine is Overheating.
indication is still above 225F
(107C), go to test step 2.
2. Allow engine to idle at 825
2. If problem still exists, go to test
RPM to cool down.
3. Check system for leaks.
3. If leaks are found, notify Unit
Maintenance. If no leaks are
found, go to test step 4.
4. Check coolant level.
If coolant level
to test step 5.
5. Check water pump and fan
5. If water pump and fan drive
drive belts for looseness and/or
belts are loose and/or
Maintenance. If belts are okay,
go to test step 6.
6. Check engine oil level.
6. If engine oil is low, fill to
problem still exists, go to test
7. Check transmission oil level.
7. If transmission oil level is low,
problem still exists, notify