International DT360 Troubleshooting
| Engine Model: Navistar International DT360 |
| Engine Type: 4-cycle inline 6-cylinder direct injection liquid-cooled diesel |
| Total Displacement: 360 cu.in (5.9 L) |
| Rated Engine Power: 160-210 Hp (119-157 kW) at 2700 rpm |
| Aspiration Type: Naturally aspirated or Turbocharged |
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| Diesel hard to start or doesn't start |
Fuel filter element is clogged - Replace filter element.
Air in the fuel system - Air bleeding.
Damaged or dirty injection nozzles - Check and replace nozzles if required.
Fuel injection pump is damaged - Repair or install new pump.
Improper valve timing - Adjust or change timing gear.
Fuel pipes are clogged - Clean fuel pipes.
Injection timing is incorrect - Adjust as recommended.
Excessive wear of piston rings and cylinder - Replace faulty components.
| Engine starts and stops suddenly |
Dirty fuel filter - Install new filter element.
Fuel injection pump malfunctioning - Replacement or repair required.
Plugged air filter - Clean or replace element.
Incorrect nozzle opening pressure - Set up as recommended.
| Engine stops running suddenly |
Fuel injection timing is wrong - Adjust as recommended.
Clogged fuel filter - Service or replace the filter.
Coolant temperature is low - Engine is not warmed up to the required temperature.
Injection nozzles sticking or clogged - Check injection nozzles and replace if required.
Wrong adjustment of low idle speed - Test and adjust.
Excessive valve clearance - Check and adjust as required.
Fuel injection pump damage - Install a new fuel pump or repair.
| Engine is not running at maximum power |
Fuel injection nozzles are faulty or clogged - Install a new kit of correctly balanced nozzles.
Fuel lines or hoses are clogged - Service fuel lines and hoses.
Air filter clogged - Service or replace the air filter.
Worn cylinder head gasket - Cylinder-head gasket replacement required.
Injection timing is out of adjustment - Adjust according to specifications.
Fuel injection pump is faulty - Install a new fuel pump or repair.
One of moving engine parts is faulty - Repair or replace defective parts.
Radiator fins are dirty or radiator cap is defective - Install new cap or clean radiator.
Lack of engine coolant - Add coolant fluid to cooling system and also check it for leaks.
Fan belt is broken or worn - Install new fan belt.
Engine oil level is insufficient - Need to add engine oil.
Cylinder-head gasket is broken - Install a new gasket.
Injection timing is incorrect - Check injection timing adjustment.
Low crankcase oil level - Need to add oil.
Oil pump failure - Remove and inspect oil pump.
Oil filter element is dirty - Replace or clean engine oil filter element.
Relief valve is seized or worn - Replace or clean relief valve.
Crankshaft bearing clearance is excessive - Check and change or repair defective parts.
Excessive crankpin bearing clearance - Test and repair or replace worn parts.
Oil leaking: Gaskets or seals may be damaged - Replace to repair leaks.
Oil viscosity is incorrect - Use proper viscosity oil.
Worn or broken piston rings - Have piston rings replaced.
Valve stems and guides are worn - Change the valves.
Worn pistons or cylinder liners - Inspect liners and pistons, change as necessary.
Engine is not warmed up to the required temperature - Engine is not warmed up to the required temperature.
Lack of engine oil - Fill up the engine oil.
Fuel injection pump timing is wrong - Adjust according to specifications.
Piston wear or scoring - Replace the pistons as required.
Connecting rod is defective or misaligned - Replace or align connecting rod.
Battery power is low - Charge the battery.
Battery runs out quickly - Service charging system or replace battery.
Bad terminals or disconnected battery cables - Connect wires properly or change terminals.
Battery is discharged or worn - Change or recharge battery.
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly.
Battery power is low - Charge the battery.
Starter motor failure - Repair or replace starter.
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