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John Deere 4240 - Troubleshooting methods

Recently I recognized trouble on my John Deere 4240. Diesel motor will not rotate. Tell me what could be the trouble?

You must use the recommended fuel grade. Malfunction of the fuel pump. Check and repair. Incorrect fuel injection pump timing. Perform adjustment.

Please give me information why my steering wheel spinning not resisting? What do I need to do to troubleshoot?

Minimum Oil Rating - Top up the oil. The steering cylinder is heavily worn - Repair it. Defect in the power steering pump - Replace pump.

I purchased a JD 4240 in february. Nowadays there is trouble. Diesel engine will not start. Could anyone help me determine the cause of breakdown?

Starter motor turns engine too slowly - Diagnose starter and reinstall if necessary. Restriction in a fuel pipe - Clean and flush. Filter element is dirty - Replace fuel filter. Wear piston rings - Need replacement of piston rings.

I have the same tractor. Recently I noticed steering wheel turns bad. Somebody tell me what is problem?

Low Oil Rating. Top up the oil. hydraulic connection leaking. It is necessary to fix a damage. Steering pump is defective. Check the steering pump. Power steering defect. Replace it.

4240 tractor problem. Diesel very hard starting. Please help me diagnose prime cause of issue. What can I do?

Restriction in air filter/cleaner or induction system. Cold start system worked incorrectly. Broken or Worn Piston Rings. High pressure fuel pump drive shaft is broken. Water mixed in the fuel. Fuel too heavy at low temperature.

JD 4240 diesel motor malfunctions. Diesel engine hard starting sometimes. How can i fix it?

Restricted Fuel Lines. Air leak on the suction side of the system. Clogging in exhaust pipe. Slow starter speed. Dirty or faulty injectors. Clogged fuel filter. Clean or replace fuel filter. Incorrect timing.

Steering stopped working on my tractor. What's a breakdown?

The air is in hydraulic system. You need draw out air. The minimum oil level in the tank. Pour completely. Steering hydraulic cylinder worn out Check and repair.

I have the exact same tractor. Why diesel engine doesn't start? How do i resolve the question?

Valve timing is wrong - Adjust valve timing. Bad compression. Cylinder bores wear - Repair it. Leaks between seats and valves - Need Removal of leakage.

John Deere 4240 problems. This is a diesel knock. what is the probable malfunction?

Oil of small quantity. Add oil. Coolant temperature dropped.

Please help to understand why front axle is cracking chronically at work?

Teeth of gears collapsed. You need to install new gears. ball bearings have damage. You need to change it.

I own this tractor about four years. Often diesel start is difficult. What a breakdown?

Injector has dirt. Need to inspect a nozzle. Injection pump is not working. Install a new injection pump.

I bought the exact same model. Can anybody tell me what's problem if differential lock broke down suddenly? What's solution to the problem?

Diaphragm worn out or disks of the friction clutch are worn out. You have to make repairs.

I'm using 4240 tractor. Motor not starting. Help me how can I fix this?

Possibly fuel filter element has dirt. Otherwise high-pressure fuel pump is improperly adjuste.

I have the problem. Diesel constantly overheats. How to fix it?

Low coolant level. Fill radiator to proper level, check radiator, coolant recovery tank, and hoses for loose connection or leaks. Clogged radiator - Clean the core. Motor overloaded - Reduce motor load. Loose or problem fan belt. Adjust belt tension.

My brother has JD 4240. Three days ago he got a loud knocking in the crankcase of the drive axle. What problem tell me?

These sounds denote defect in the axle reducer.

Tell me what is the reason that diesel engine exhaust white gas?

When white gas comes from exhaust pipe you required to carry out replacement of piston rings urgently.