International D414 Troubleshooting
| Engine Model: International Harvester D414 |
| Engine Type: 4-cycle inline 6-cylinder naturally aspirated liquid-cooled diesel |
| Total Displacement: 414 cu.in (6.8 L) |
| Rated Engine Power: 113 Hp (84 kW) at 2400 rpm |
| Fuel System Type: Direct fuel injection |
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| Engine starts up hard or won't start |
Fuel filter plugging - Filter maintenance required.
Air in the fuel pipes - Bleed the fuel pipes.
Defective injection nozzle - Check and replace nozzles if required.
Damaged fuel injection pump - Replace or rebuild injection pump.
Valve timing is incorrect - Use correct valve timing adjustment.
Restricted fuel pipes - Service fuel pipes.
Wrong injection timing - Set up as recommended.
Piston rings and cylinder are worn - Replace faulty components.
| Engine starts but then stalls |
Fuel filter element is clogged - Service the filter.
Fuel injection pump malfunctioning - Rebuild or replace pump.
Restricted intake air - Change air filter element.
Nozzle opening pressure is improper - Set it correctly.
| Engine shuts off suddenly while running |
Fuel injection timing is wrong - Set it up as required.
Fuel filter element is dirty - Change the filter element.
Low coolant temperature - Normalize the temperature by warming up the engine.
Defective or stuck injection nozzles - Repair or replace injection nozzles.
Low idle speed setting is not correct - Adjust the low idle speed.
Improper valve clearance - Adjustment procedure required.
Fuel injection pump is broken - Rebuild or change fuel pump.
Fuel injection nozzles are faulty or clogged - Change fuel injection nozzles.
Dirty fuel hoses or lines - Service fuel hoses and lines.
Dirty air filter element - Change air filter element.
Cylinder head gasket is defective - Install new cylinder head gasket.
Unadjusted injection timing - Check injection timing adjustment.
Fuel injection pump failure - Install a new fuel pump or repair.
Any of moving engine parts is worn - Replace or repair damaged components.
Dirty radiator fins or faulty radiator cap - Clean radiator or change cap.
Insufficient coolant fluid - Refill to the correct level and inspect system for leaks.
Fan belt slipping or worn - Replace as required.
Engine oil level low - Fill up the oil to required level.
Cylinder-head gasket is broken - Install new cylinder head gasket.
Wrong injection timing - Check injection timing adjustment.
Low oil level - Fill crankcase to proper oil level.
Oil pump is worn or damaged - Repair or replace.
Dirty oil filter element - Change or service engine oil filter.
Worn or dirty relief valve - Replace or clean relief valve.
Excessive crankshaft bearing clearance - Test and repair or replace worn parts.
Excessive crankpin bearing clearance - Test and repair or replace worn parts.
| Engine consuming too much oil |
Oil leaking: Gaskets or seals may be damaged - Worn parts need to be replaced.
Crankcase oil too light - Use correct viscosity oil.
Stuck or worn piston rings - Change piston rings.
Worn valve stems and valve guides - Valves replacement required.
Cylinder liners or pistons are worn - Check pistons and liners, install new parts as required.
Engine is cold - Engine is not warmed up to the required temperature.
Insufficient engine oil - Add oil to the engine crankcase.
Fuel injection pump timing is not adjusted - Adjust fuel injection pump as required.
Piston wear or scoring - Replace the pistons as required.
Misaligned or defective connecting rod - Replace or align connecting rod.
| Starter motor cranks slow |
Battery voltage is low - Battery is drained, recharge it.
Battery runs out quickly - Service battery or replace it.
Terminals are faulty or battery cables are disconnected - Check wiring and clean or replace terminals.
Battery is low or faulty - Recharge or replace battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Battery capacity is low - Charge the battery.
Damaged starter motor - Change or repair starter.
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