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TM5-4210-229-14&P
Table 4-4. Organizational Troubleshooting Chart
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE COOLING SYSTEM
17. ENGINE COOLANT OVERHEATING.
Step 1. Check pressure cap for proper seal.
Replace pressure cap (paragraph 4-58).
Step 2. Check coolant level.
Fill cooling system to proper level (paragraph 4-58).
Step 3. Check for loose or worn fan belt.
Replace worn fan belt (paragraph 4-62). Tighten fan belt.
Step 4. Check for damaged coolant hoses.
Replace coolant hoses (paragraph 4-63).
Step 5. Check for damaged or inoperative thermostat.
Replace thermostat (paragraph 4-65).
Step 6. Check for scale or deposits in cooling system.
Clean and flush cooling system (paragraph 4-58).
Step 7. Check for damaged radiator.
Replace radiator (paragraph 4-66).
18. ENGINE COOLANT LOSS.
Visually inspect hoses, radiator, clamps, water pump, thermostat housing, radiator drain, engine soft plugs
for leakage.
Tighten connections as necessary.
ENGINE EXHAUST SYSTEM
19. VIBRATING OR RATTLING FROM EXHAUST SYSTEM.
Visually inspect for loose or misaligned components.
Align and tighten connections. Replace damaged hanger brackets or clamps (paragraph 4-79).
20. RESTRICTED EXHAUST SYSTEM.
Step 1. Inspect for damaged or kinked tubing exhaust.
Replace the damaged condition (paragraph 4-79).
Step 2. Inspect tail pipe end for obstructions.
Remove obstruction, or if end is crimped, straighten outlet.
21. EXHAUST LEAKAGE AND/OR NOISE.
Step 1. Inspect all exhaust system component joints, couplings and connections for exhaust leaks.
Tighten clamps, couplings, or connectors.
Step 2. Inspect for misaligned components.
Align and tighten connections.
Step 3. Inspect exhaust manifold for damage.
Replace manifold (paragraph 4-89).
Step 4. Inspect for burned or rusted out exhaust pipe.
Replace exhaust pipe (paragraph 4-79).
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