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Home / Wheel Loaders / John Deere Wheel Loaders / John Deere 524K

John Deere 524K Troubleshooting

The John Deere 524K wheel loader is powered by John Deere PowerTech E 6068H 6-cylinder direct injection turbocharged liquid-cooled diesel engine with a rated power of 160 hp (116 kW) at 2000 rpm. The John Deere 524K is equipped with a four-speed powershift transmission, power steering system, hydraulic wet disc brakes, and 20.5R25 standard tires. The closed center hydraulic system has a piston pump with fluid flow rate of 43.5 gpm (165 lpm). The wheel loader has a rated operating capacity of 9365 lbs (4250 kg) and tipping load of 18730 lbs (8500 kg). The max lift height is 148.4 inches (3770 mm) to hinge pin, and boom breakout force is 19975 lbs (9060 kg).

Engine Troubleshooting

Engine starts hard or doesn't start
Air in the fuel system - Air bleeding.
Fuel filter plugging - Replace the filter element.
Defective or clogged injection nozzle - Clean or replace injection nozzles.
Dirt or water in fuel system - Drain water or flush dirt from the system.
The valve clearance is incorrect - Check and adjust.
Damaged fuel injection pump - Replace injection pump or repair it.

Engine starts but stalls immediately
Air cleaner is clogged - Clean or change.
Dirty fuel filter - Replace the filter element.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Damaged or clogged injectors - Change or clean fuel injectors.
Fuel injection pump is not working correctly - Replace or rebuild injection pump.

Engine stops unexpectedly during operation
Engine is not fully warmed up - Warm up engine as required.
Fuel filter plugging - Service or replace the filter.
Air trapped in fuel system - Bleed air.
Faulty fuel injection nozzles - Check and replace nozzles if required.
Fuel injection pump timing is wrong - Check the fuel injection pump timing adjustment.

Engine stalls at low idle speed
Too low idle RPM - Need to adjust idle speed.
Fuel injection pump malfunction - Repair or install new pump.
Defective fuel injectors - Inspect fuel injectors and change as required.
Valve clearance is out of adjustment - Adjust valve clearance.

Engine lacks power
Clogged air cleaner - Clean or change cleaner.
Defective or clogged injection nozzle - Check and replace nozzles if required.
Insufficient fuel injection pressure - Adjust to proper pressure.
Valve clearance is wrong - Correct valve clearance needs to be set.
Too low idle RPM - Adjust as required.
Dirt in the fuel hoses or lines - Clean fuel lines and hoses.
Cylinder-head gasket is broken - Replace cylinder head gasket.
Damaged or leaking piston rings - Replace piston rings.

Engine is overheated
Lack of engine coolant - Fill radiator to proper level and check components for faults.
Engine oil level low - Add oil to the engine crankcase.
Dirty radiator fins or defective radiator cap - Clean radiator or replace cap.
Fan belt slipping or worn - If necessary, replace the belt.
Engine overloaded - Load reducing required.

Low oil pressure
Insufficient engine oil - Add oil as required.
Oil filter element is dirty - Replace or service engine oil filter.
Different type of engine oil - Use oil of correct viscosity.
Main bearing oil clearance is excessive - Bearings need to be reinstalled.
Oil pump malfunction - Check and replace if necessary.

Abnormal engine knocking or noise
Low engine oil level - Check and refill engine oil.
Low coolant temperature - Warm up to required temperature.
Timing of fuel injection pump is incorrect - Use the correct fuel injection pump timing adjustment.
Incorrectly set low idle speed - Correct low idle settings.
Clogged or defective injectors - Change or clean fuel injectors.
Misaligned or faulty connecting rod - Align or replace connecting rod.
Pistons are broken or worn - Replace the pistons as required.

Transmission Troubleshooting

Low transmission oil pressure
Lack of transmission oil supply - Need to add transmission oil.
Clogged transmission fluid filter (if equipped) - Clean or change transmission fluid filter.
Defective relief valve - Replace relief valve.

Excessive transmission noise
Low fluid level - Need to add transmission fluid.
Transmission fluid contamination - Transmission fluid change required.
Backlash is incorrect or gears are damaged - Replace defective gears or set backlash properly.
Worn or cracked bearings - Bearings replacement required.
Worn or bent shift forks - Shift forks need to be replaced.
Worn or damaged shaft splines - Install a new shaft.

Gear shift is hard
Corroded or worn gear shift linkage - Install a new gear shift linkage.
Damaged or worn gear shift forks - Change the shift forks.
Defective parts in the gearshift mechanism - Replace defective parts.
Unadjusted or worn clutch - Replace or adjust clutch.

Transmission oil leaks
Transmission oil level is high - Correct the oil volume.
Seals or gaskets are broken - Gaskets or seal need to be replaced.

Hydraulics Troubleshooting

Hydraulic system overheating
Hydraulic pressure is not adjusted correctly - Set pressure correctly.
Faulty or improperly adjusted main relief valve - Adjust the valve or replace if necessary.
Contaminated hydraulic fluid - Change hydraulic fluid.
Not enough hydraulic fluid in the system - Add fluid to the hydraulic system.
Hydraulic pump is defective - Repair or replace pump if necessary.

Boom won't lower or raise
Damaged lift controls - Repair or change.
Hydraulic pump is broken - Replace or repair pump if necessary.
Hydraulic control valve failure - Change or repair hydraulic valve.
Hydraulic cylinder is defective - Install a new boom cylinder or repair it.
Hydraulic oil is insufficient - Need to add oil.

Bucket can't tilt
Defective bucket controls - Change or repair.
Hydraulic pump malfunction - Change or repair hydraulic pump if required.
Hydraulic control valve malfunction - Repair or replace the valve.
Defective bucket cylinder - Repair or install a new cylinder.
Low hydraulic fluid level - Checking hydraulic fluid level and add if necessary.

Boom or bucket functions slowly
Defective hydraulic pump - Check pump capacity and change if necessary.
Leaking hydraulic cylinder - Install new cylinder seals.
Hydraulic fluid level low - Add fluid as required.
Hydraulic control valve is faulty or out of adjustment - Adjust correctly or repair.
Hydraulic system loosing pressure - Adjust it correctly.

Lift arm or bucket is jerky
Air leaks in hydraulic system - Bleed air from system.
Hydraulic oil filter is clogged - Service or change the hydraulic filter.
Hydraulic oil is contaminated - Hydraulic oil change required.
Scratched cylinder rod or tube - Replace defective component.

Hydraulic pump is excessively noisy
Hydraulic leakage or low oil level - Correct hydraulic leaks or top up oil as needed.
Hydraulic filter is clogged - Clean or install new filter.
Suction line is clogged - Suction line must be serviced.
Air enters the pump - Bleed air from hydraulics.
Pump components are worn out - Install new hydraulic pump or rebuild it.

Electrical Troubleshooting

Battery cannot be charged
Corroded or loose cable connections - Service or tighten cable connections.
Defective electrical terminal connectors - Install new terminal connectors.
Defective battery - Battery change required.
Loose or worn belt - Need to adjust belt tension or replace belt.

Starter turning slow
Low battery output voltage - Recharge the battery.
Battery won’t hold charge - Service or replace the battery.
Wires are disconnected or battery terminals are corroded - Check cables and service or change terminals.

Starter is not cranking
Battery is drained or defective - Charge or replace the battery.
Battery wires are disconnected or incorrectly connected - Check wires and connect correctly.
Low battery voltage - Battery is drained, charge it.
Starter motor is damaged - Starter needs to be changed.

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WHEEL LOADERS SPECIFICATIONS

Wheel Loaders, Skid Steers, and Compact Track Loaders