TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
21. COOLANT LOSS
Step 1.
Expansion plugs leaking.
a. Inspect expansion plugs for leaks. If OK, do Step 2.
b. Replace expansion plugs.
Step 2.
Leak in cylinder block coolant passages.
a. Disassemble engine and check cylinder block coolant
passages.
b. Replace cylinder block.
22. CONTAMINATED COOLANT
Step 1.
Oil leaks from engine oil cooler, head gasket, head and
cylinder block.
a. Disassemble engine and check engine oil cooler,
cylinder head and cylinder block for damage.
b. Repair or replace components as required.
23. ALTERNATOR NOT CHARGING OR INSUFFICIENT CHARGING
Step 1.
Defective/malfunctioning alternator.
a. Remove and test alternator. (Refer to page 6-2.)
b. Repair alternator as required.
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