Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 4320 Issues - Owners questions

Lately I got a breakdown with my JD 4320. Diesel can not crank. Tell me please what kind of malfunction?

Fuel type is wrong. Fuel pump drive problems. Inspect and replace. Incorrect fuel injection pump timing. Adjust if necessary.

Here is my question - why steering wheel turns not resisting? How do I act to troubleshoot?

Minimum Oil Rating - Pour completely. Steering cylinder has a defect - Change the seal. Pump steering broke - Repair pump.

I got a John Deere 4320 in september. Presently there is issue. Diesel will not start. Could somebody help me diagnose a source of issue?

Starter faulty - Check starter and replace if necessary. Dirt in the fuel system - Wash and clean the fuel line. Filter element is dirty - Replace it. Piston rings are broken - Change piston rings.

I use the same model. Yesterday I saw steering wheel operate hard. Tell me what is a breakdown?

Minimum Oil Rating. Pour completely. Hydraulic connections are not sealed. It is necessary to fix the problem. Power steering pump defect. Repair the pump. Hydraulic power steering is defective. Requires repair.

4320 tractor trouble. Engine hard starting. Help me define main cause of trouble. What should I check?

Clogging in air filter/cleaner. Cold start system used incorrectly. Damage or wear of piston rings. Defective fuel pump drive shaft. Water in fuel. Fuel too heavy at low temperature.

JD 4320 diesel engine troubles. Diesel hard starting permanently. How can i fix malfunction?

Restriction in fuel tank vent. Air Leaks in Suction Lines. Exhaust pipe is clogged. Slow starter speed. Diesel injection nozzles faulty or sticking. Filter clogged. Fuel shut-off valve closed. Open fuel shut-off valve.

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

The air was formed in hydraulic system. You should remove air. The minimum oil indicator in the tank. It is required to add oil. Steering cylinder has a defect Repair it.

I own the same tractor. Why diesel engine has not been started? How can i fix damage?

Valve timing is incorrect - Set a valve timing. High or Low compression. Cylinder bores are worn - You must fix it. Leakage between seats and valves - Remove leaks.

John Deere 4320 issue. This is the engine knock. what could be the failure?

Oil of small quantity. Fill up. Cooling temperature is minimum.

I have a problem why front axle to rattle chronically at the moment of motion?

Gears teeth crumbling. Replace gears. Bearings crumbled. Replace it.

I'm the owner this model more than 3 years. Regularly engine start is very difficult. What you need to fix?

Injector is clogged. It is required checking injector. The fuel pump has a breakdown. Replace fuel pump.

I have the same tractor. Explain to me what's problem if differential lock does not work immediately? What's solution to the problem?

The diaphragm torn or discs friction clutch worn out. Requires repair.

We have JD 4320. Diesel engine does not start. Help me How can I eliminate a breakdown?

Most likely Dirt in the fuel system. Or high-pressure fuel pump adjustment is not correct.

I have trouble. Engine constantly overheats. How can I fix it?

Lack of coolant in cooling system - Fill cooling system to proper level. Radiator screen or fins clogged - Clean radiator screen or fins. Excessive load - Reduce load or speed. Broken or misadjusted fan belt - Adjust or replace.

My father has 4320 tractor. Yesterday he got a strange noise in the crankcase of the drive axle. What is the malfunction?

These signs point to destruction of bearings.

Can someone say me what fault if diesel excessive white smoke at idle?

When white smoke visible from exhaust pipe you necessary to change piston rings immediately.

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