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JD 7700 Trouble - Owners questions

The other day I noticed trouble with my John Deere 7700. Diesel can not crank. Explain me what is the probable damage?

You must use the recommended fuel grade. Defective high pressure fuel pump. Inspect and refit. Timing of fuel injection pump is incorrect. Adjust if necessary.

Please give me information why my steering wheel turns too easy? What are my actions for troubleshooting?

The minimum oil level - It is required to top up the oil. The steering cylinder is heavily worn - Repair it. Steering pump have worn - Replace pump.

I purchased a John Deere 7700 in february. Currently there is damage. Diesel will not start. Could anybody help me diagnose the source of trouble?

Starter failure - Check starter and replace if necessary. Restriction in a fuel pipe - Clean and wash. Filter element is dirty - Change the filter. Piston rings are damaged - You need repair.

I bought the same model. Recently I noticed steering wheel works tight. Explain to me what's issue?

Low oil index. Pour completely. hydraulic connection leaking. Eliminate a defect. Steering pump is worn out. Check the steering pump. Power steering is worn out. Install the new power steering.

7700 model trouble. Diesel engine hard starting. Help me specify the cause of malfunction. What should I check?

Clogging in air filter/cleaner. Cold start system used incorrectly. Piston rings are wear or deformed. Gasket Blow-By or Leakage. Water mixed in the fuel. Crankcase oil too heavy. Use oil of proper viscosity.

JD 7700 diesel engine problems. Diesel starts hard sometimes. How could i fix this defect?

Restriction in fuel tank vent. Air leakage to the fuel inlet. Restriction in exhaust pipe. Slow starter speed. Injection fuel is little or the spray is not excellent. Filter clogged. Fuel shut-off valve closed. Open fuel shut-off valve.

Steering does not work on my tractor. How can I fix it?

Hydraulic system has a large amount of air. You need draw out air. The minimum hydraulic oil indicator in the tank. Fill the tank. Wear of the hydraulic steering cylinder Repair it.

I use the same tractor. Why motor has not been started? How can i fix it?

Valve timing is wrong - Make adjustment. Bad cylinder compression. Cylinder bores wear - Repair it. Leaks between seats and valves - Remove leaks.

John Deere 7700 damages. Diesel knocks. what could be the damage?

This is a small residue of engine oil. Add oil. Coolant temperature is low.

Please help to understand why tractor front axle to rattle continuously when driving?

Teeth of gears collapsed. Replace gears. Roller bearings crumbled. Fit new bearings.

I own this model less than five years. Sometimes engine start is intermittent. What you need to fix?

Nozzle has clog. You must checking a nozzle. High-pressure fuel pump is not working. Repair high-pressure fuel pump.

I bought the same tractor. Tell me why locking differential is defective swiftly? How to solve the problem?

Diaphragm damaged or disks of the friction clutch are worn out. Change worn components.

We have a JD 7700. Diesel engine does not start. I need to know How can I eliminate a breakdown?

Most likely this is a clogged fuel filter. Otherwise injection pump adjustment is not correct.

I have trouble. Motor overheats regularly. How to fix it?

Little coolant in the cooling system. You need to fill the system. Radiator screen or fins clogged - Clean radiator screen or fins. Diesel Overload - Reduce diesel load. Loose or defective fan belt - Replace fan belt as required. Check belt tensioner.

My father has 7700 model. Day before yesterday he heard a loud knocking in the rear axle. What is the malfunction?

These symptoms talk about damaged bearings.

Tell me what problem if motor excessive white smoke at idle?

If white gas comes from the exhaust pipe you necessary to change piston rings urgently.