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John Deere 7505 Troubleshooting

Two days ago I noticed some issue with my John Deere 7505. Diesel engine will not turn over. Tell me what could be the issue?

You must use the recommended fuel grade. Fault in fuel injection pump. Inspect and replace. Incorrect fuel pump timing. Adjust if necessary.

7505 tractor issue. Poor engine output. How should I troubleshoot it?

Incorrect valve timing. Check and adjust, or replace cam shaft if necessary. Travel speed is too fast for conditions.

Help with the question why engine does not run smoothly?

Defective fuel injectors. Fuel injection pump timing. Defective fuel pump. Defective injectors.

JD 7505 tractor issue. Transmission rough shifting. What could it be?

Wrong transmission lubricant - Drain and fill with recommended lubricant.

Here is my question - why my steering wheel spinning without opposition? What are my actions to get rid of problem?

Minimum Oil Rating - It is required to add oil. Steering cylinder has problems - Replace the defective part. The steering pump is defective - Install a new pump.

I got a John Deere 7505 in february. Now there is damage. Engine won't start. Could somebody help me find the cause of issue?

Starter failure - Change or refit. Fuel line is clogged up - You need to perform cleaning and washing. Dirty fuel filter element - Replace fuel filter. Piston ring failure - Must be repaired.

I have the same tractor. Recently I noticed steering wheel operate very badly. Explain to me what's issue?

Low oil index. Air bubbles in hydraulic system. Bleed air out of the system. Check the suction pipe and rectify any leakage. hydraulic connection leaking. It is necessary to fix a defect. Steering pump is worn out. Replace the pump. Power steering defect. Requires repair.

JD 7505 issue. Motor is hard to start. Need help to determine main cause of problem. What should I do?

Engine valves out of adjustment. Contact an authorized service center. Incorrect functions of the cold start system. Broken or Worn Piston Rings. Defective fuel pump drive shaft. Water in fuel. Crankcase oil too heavy. Use oil of proper viscosity.

John Deere 7505 engine malfunctions. Diesel long starting permanently. How can i fix this defect?

Clogging in fuel tank vent. Air leaks on intake hoses. Exhaust pipe is clogged. Low voltage - Charge battery. Dirty or faulty injectors. Filter clogged. Incorrect timing.

There was a malfunction of steering on our tractor. What is problem?

Hydraulic system has a large amount of air. You must draw out air. Low oil rate in system. Top up the oil. Possible malfunction of hydraulic steering cylinder Check and repair.

I have the same model. Why diesel has not been started? How could i fix it?

Valve timing is improper - Make adjustment. Bad cylinder compression. Cylinder bores are worn - Need overhaul. Leakage between valves and seats - Eliminate leak.

7505 tractor malfunctions. Diesel engine knocks. what is the failure?

Lack of oil. Fill with oil. This is the low temperature of the coolant.

I can not understand why driving front axle to howls constantly while driving?

Teeth of gears collapsed. You must change the gears. Bearings are very worn out. You need to change it.

I own this model more than 3 years. Recently, engine start is intermittent. How to eliminate?

Injector has clog. Need to check a nozzle. High-pressure fuel pump has a breakdown. Replace fuel pump.

I get the same model. Can someone explain to me why differential lock is damaged abruptly? What's solution to the problem?

The diaphragm torn or replace friction clutch discs. You have to make repairs.

We have JD 7505. Motor does not start. Tell me How can I eliminate a breakdown?

Probably fuel filter clogged. Otherwise high-pressure fuel pump to lost adjustments.

I have the problem. Motor overheats regularly. How to fix it?

Lack of coolant in cooling system - Fill cooling system to proper level. Bearings are fitted too tight - Check and adjust. Loose or defective fan belt. Low coolant level. Lack of cooling water - Add cooling water. Too much load - you must reduce the load or speed. Loose or defective fan belt - Replace fan belt as required. Check belt tensioner.

My brother has John Deere 7505. Today he heard a noise in the rear axle housing. What's wrong?

All sounds evidence of defect in the axle reducer.

Please explain me why diesel excessive white smoke at idle?

If white gas comes out of exhaust pipe you need to change piston rings urgently. Worn cylinder liner and piston rings. Replace them with new ones.

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R