________________________________________________________________________________

John Deere 3520 - Problem solving tips

Two days ago I discovered some problem with my John Deere 3520. Motor does not turn over. Tell me please what could be the trouble?

Fuel grade is incorrect. The fuel pump drive is faulty. Check and repair. Incorrect fuel injection pump timing. Adjust if necessary.

Somebody help me why steering wheel turns around not resisting? How do I act to solve the problem?

Low hydraulic oil level in tank - It is required to add oil. The steering cylinder is heavily worn - Repair it. Steering pump have worn - Install a new pump.

I purchased a JD 3520 in november. Now there is problem. Engine not starting. Could someone help me find a source of failure?

Starter rotates slowly - Need a replacement or overhaul. Fuel line is clogged up - Flush and clean the fuel pipe. There is dirt in the fuel filter - Change it. Piston rings worn out - Change piston rings.

I have the same model. Recently I noticed steering wheel turns very badly. Help me find out what's malfunction?

Low hydraulic oil level in the tank. Pour completely. hydraulic connection leaking. It is necessary to fix a fault. Power steering pump defect. Repair the pump. Power steering is worn out. Install the new power steering.

3520 tractor problem. Motor starts hard. Help me please define the cause of issue. What do I need to check?

Restriction in air filter/cleaner or induction system. Incorrect functions of the cold start system. Piston rings are wear or deformed. Gasket Blow-By or Leakage. Water in fuel. Crankcase oil too heavy. Use oil of proper viscosity.

JD 3520 diesel damages. Diesel motor is difficult to start permanently. How can i resolve an issue?

Restriction in fuel tank vent. Air leakage to the fuel inlet. Exhaust pipe is clogged. Slow starter speed. Diesel injection nozzles faulty or sticking. Clogged fuel filter. Clean or replace fuel filter. Long Idle periods.

There was a breakdown of the steering on my tractor. Why did this happen?

Hydraulic system has a large amount of air. You should remove air. The minimum oil level in the tank. Pour completely. Steering cylinder has problems Change the seal.

I have the same model. Why engine has not been started? How do i fix a failure?

Improper valve timing - Adjust valve timing. Bad cylinder compression. Wear cylinder bores - Repair it. Leaks between valves and seats - Eliminate leakage.

John Deere 3520 damages. Diesel knocks. what kind of damage?

Oil of small quantity. Fill with oil. Cooling temperature is minimum.

I can't figure it out why front axle is cracking regularly when tractor run?

Teeth of gears collapsed. You must change the gears. Bearings are firmly erased. Swap the replacement.

I own this model some years. Recently, diesel starting is difficult. What you need to fix?

Nozzle has clog. It is required to diagnose injector. High-pressure fuel pump is damaged. Do overhaul of fuel pump.

I get the exact same model. Can someone explain to me what's problem if differential lock assembly can break swiftly? How can I fix it? What should I do?

The diaphragm torn or replace friction clutch discs. Change worn components.

I have 3520 tractor. Motor does not start. Help me what is the fault?

Probably fuel filter clogged. Or injection pump to lost adjustments.

Need help. Motor overheating occurs. What is the fault?

Lack of coolant in cooling system - Fill cooling system to proper level. Radiator screen or fins clogged - Clean radiator screen or fins. Engine overloaded. Shift to lower gear or reduce load. Loose or problem fan belt. Adjust belt tension.

My brother has JD 3520. Yesterday he heard a loud knocking in the rear axle housing. What is the malfunction?

These sounds talk about destruction of bearings.

Help with the question what damage if engine excessive white smoke at idle?

When white gas visible from exhaust pipe you required to change piston rings urgently.