International D310 Troubleshooting
| Engine Model: International Harvester D310 |
| Engine Type: 4-cycle inline 6-cylinder naturally aspirated liquid-cooled diesel |
| Total Displacement: 310 cu.in (5.08 L) |
| Rated Engine Power: 85-100 Hp (63-75 kW) at 2400 rpm |
| Fuel System Type: Direct fuel injection |
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| Diesel engine hard to start or doesn't start |
Dirty fuel filter - Change filter element.
Air trapped in fuel system - Bleed air.
Faulty fuel injection nozzles - Service or change injection nozzles.
Fuel injection pump damage - Replace or rebuild injection pump.
Valve timing is incorrect - Adjust or change timing gear.
Dirt in the fuel lines or hoses - Clean fuel pipes.
Improper injection timing - Adjust injection timing as required.
Piston rings and cylinder are worn - Replace defective parts.
| Engine starts but stalls immediately |
Fuel filter plugging - Clean the filter or install new filter element.
Fuel injection pump damage - Install a new fuel pump or repair.
Air cleaner is dirty - Air filter maintenance required.
Nozzle opening pressure is improper - Adjust as required.
| Diesel shuts off while driving |
Timing of fuel injection pump is incorrect - Adjust fuel injection pump as required.
Clogged fuel filter - Change filter element.
Engine is not warmed up to the required temperature - Warm up the engine.
Injection nozzles are stuck or clogged - Service or change injection nozzles.
Improperly adjusted low idle speed - Adjust as required.
Excessive valve clearance - Have it adjusted.
Defective fuel injection pump - Rebuild or change fuel pump.
Defective or clogged injection nozzle - Install a new kit of correctly balanced nozzles.
Fuel hoses or lines are clogged - Service fuel hoses and lines.
Air filter is dirty - Service or replace the air filter.
Worn cylinder head gasket - Install a new gasket.
Unadjusted injection timing - Adjust injection timing as required.
Fuel injection pump malfunctioning - Repair or install new pump.
Any of moving engine parts is worn - Change or repair damaged parts.
Radiator fins are clogged or radiator cap is faulty - Replace cap or clean radiator.
Lack of coolant in cooling system - Fill radiator to proper level and check components for faults.
Damaged or worn fan belt - Replace as required.
Engine oil insufficient - Fill up the oil to required level.
Worn cylinder head gasket - Gasket should be replaced.
Incorrect injection timing - Set up as recommended.
| Oil pressure is insufficient |
Engine oil level low - Need to add oil.
Oil pump malfunction - Replace as required.
Oil filter element clogged - Clean or replace engine oil filter element.
Stuck or worn relief valve - Change or service relief valve.
Crankshaft bearing clearance is excessive - Inspect and replace or repair faulty components.
Clearance of crankpin bearing is excessive - Inspect and replace or repair faulty components.
| Excessive engine oil consumption |
Oil leaking: Seals or gaskets are defective - Worn parts need to be replaced.
Oil viscosity is wrong - Use oil of proper viscosity.
Piston rings are seized or worn - Piston rings need to be replaced.
Worn valve stems and valve guides - Change the valves.
Pistons or cylinder liners are scored - Inspect pistons and liners, change as required.
Engine has not warmed up to the recommended temperature - Normalize the temperature by warming up the engine.
Insufficient engine oil - Check oil level and add oil as required.
Timing of fuel injection pump is incorrect - Set up as recommended.
Broken or worn pistons - Install new pistons.
Connecting rod misalignment or failure - Replace or align connecting rod.
Low battery voltage - Charge the battery.
Battery will not hold charge - Service charging system or replace battery.
Terminals are faulty or battery cables are disconnected - Check wiring and clean or replace terminals.
Battery is discharged or worn - Charge or replace the battery.
Wiring is improperly connected or disconnected - Check wiring and connect properly.
Low battery voltage - Recharge the battery.
Starter motor failure - Starter needs to be replaced.
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