TM 5-3825-270-23&P
0015
CONDITION/INDICATION
Is engine oil at appropriate level and free of contamination?
DECISION
No - Replace engine cylinder head gasket. (WP 0145) Verify problem is solved. (Step 8 - Does engine
overheat?)
Yes - Go to step 4. (Step 4 - Are radiator and radiator cap free of leaks and damage?)
STEP 4
Are radiator and radiator cap free of leaks and damage?
Perform cooling system pressure test on radiator and radiator cap. (WP 0074)
CONDITION/INDICATION
Are radiator and radiator cap free of leaks and damage?
DECISION
No - Replace leaking radiator and/or radiator cap. (WP 0076) Verify problem is solved. (Step 8 - Does engine
overheat?)
Yes - Go to step 5. (Step 5 - Is engine free from coolant leaks?)
STEP 5
Is engine free from coolant leaks?
1.
Remove engine compartment cover. (WP 0142)
2.
Visually inspect engine for coolant leaks. (WP 0069)
CONDITION/INDICATION
Is engine free from coolant leaks?
DECISION
No - Replace leaking cooling system hose (WP 0073) or water pump. (WP 0071) Verify problem is solved. (Step
8 - Does engine overheat?)
Yes - Go to step 6. (Step 6 - Is exhaust white or have abnormal odor?)
STEP 6
Is exhaust white or have abnormal odor?
1.
Install engine compartment cover. (WP 0142)
2.
Start engine and visually check for white exhaust. (TM 5-3825-270-10)
3.
Smell engine exhaust for abnormal odor.
4.
Shutdown engine. (TM 5-3825-270-10)
CONDITION/INDICATION
Is exhaust white or have abnormal odor?
DECISION
No - Go to step 7. (Step 7 - Is problem solved after flushing coolant system?)
Yes - Replace engine cylinder head gasket. (WP 0145) Verify problem is solved. (Step 8 - Does engine
overheat?)
STEP 7
0015-3
