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JD 6400 - Problems and repair
The other day I found out some problem on my John Deere 6400. Motor can
not rotate. Tell me what kind of damage?
Fuel grade is wrong. The fuel pump drive is faulty. Diagnose and change.
Timing of fuel injection pump is incorrect. Need to set up.
Please give me information why my steering wheel spinning without
resistance? What are my actions to fix an issue?
Minimum Oil Rating - Pour full. Steering cylinder has a defect - Repair
it. Steering pump have worn - Repair pump.
I acquired a JD 6400 in march. Currently there is damage. Diesel motor
not starting. Can somebody help me determine the cause of problem?
Starter speed is slow - Diagnose starter and reinstall if necessary.
Fuel pipes are contaminated - Flush and clean the fuel pipe. Filter
element is dirty - Change the filter. Piston rings worn out - You need
repair.
I have the same tractor. Recently I noticed steering wheel operate
tight. Help me find out what are possible malfunctions?
Minimum Oil Rating. Pour completely. Breakage of hydraulic hoses. It is
necessary to fix a defect. Power steering pump defect. Repair the pump.
Wear of power steering. Install the new power steering.
6400 model trouble. Motor starts hard. Help me please specify occasion
of damage. What should I check?
Clogging in air filter/cleaner. Cold start system worked incorrectly.
Piston rings are worn or broken. Cracked injector Body or Cup. Water in
fuel. Fuel too heavy at low temperature.
JD 6400 diesel motor troubles. Diesel hard starting permanently. How
could i resolve an issue?
Restricted Fuel Lines. Air leakage to the fuel inlet. Exhaust pipe is
clogged. Slow starter speed. Dirty or faulty injectors. Clogged fuel
filter. Clean or replace fuel filter. Incorrect timing.
Steering not working on my tractor. What repairs should I do?
Hydraulic system has a large amount of air. You must release air from
system. Small level of oil in the tank. Top up the oil. Steering
hydraulic cylinder worn out Change the seal.
I have the same tractor. Why diesel failure to start? How do i fix this
defect?
Valve timing is wrong - Make adjustment. Bad compression. Worn cylinder
bores - Need overhaul. Leaks between seats and valves - Eliminate leak.
John Deere 6400 problems. I hear the engine knocking. what could be the
malfunction?
Lack of oil. You should pour this. Cooling temperature is minimum.
I can not understand why tractor front axle is cracking incessantly when
tractor run?
This is the failure of any gear. Replace gears. ball bearings are very
worn out. Swap the replacement.
I own this tractor three years. Often diesel engine start is very hard.
What a breakdown?
Injector is dirty. You should to diagnose injector. Injection pump
problems. Repair fuel pump.
I bought the exact same model. Can anybody tell me why differential lock
assembly breaks down immediately? How to solve the problem?
Diaphragm worn out or replace friction clutch discs. Requires repair.
We have 6400 model. Diesel engine will not start. I need to know how can
I fix this?
Probably this is a clogged fuel filter. Otherwise high-pressure fuel
pump to lost adjustments.
Please help me. Motor constantly overheats. What is the fault?
Lack of coolant in cooling system - Fill cooling system to proper level.
Radiator core or side screens dirty - Clean radiator as required.
Excessive load - Reduce load or speed. Loose or defective fan belt -
Replace fan belt as required. Check belt tensioner.
My dad uses a John Deere 6400. Two days ago he diagnosed knocking in the
crankcase of the drive axle. What's wrong?
All symptoms evidence of damaged bearings.
Tell me what problem if motor exhaust with white smoke?
When white gas comes from the exhaust pipe you required to replace
piston rings urgently.
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- ALL MODELS
- JD 2955 - How to troubleshoot possible problems
- JD 3032E - Troubleshooting Issues
- JD 3036E - Troubleshooting Tips
- JD 3040 - How to eliminate malfunctions
- JD 3050 - How to solve problems
- JD 3130 - Problems and Solutions
- JD 3320 - Problem solving questions
- JD 3520 - Problem solving tips
- JD 3650 - Problem solving assistance
- JD 3720 - Repair assistance
- JD 4020 - Problems and repair
- JD 4050 - Breakdowns during operation
- JD 4200 - Operation problems
- JD 4250 - Repair methods
- JD 4320 Issues - Owners questions
- JD 4455 Trouble - User questions
- JD 4520 Issues - Repair assistance
- JD 4650 Trouble - Repair tips
- JD 4755 Problem - Troubleshooting assistance
- JD 4955 Issues - Repair tips
- JD 5050D Problem - Repair assistance
- JD 5055E Problem - Repair tips
- JD 5075E Trouble - Repair assistance
- JD 5090R Issues - User questions
- JD 5100M Problem - Owners questions
- JD 5115M Troubleshooting Tips
- JD 5410 Troubleshooting Issues
- JD 5525 - How to troubleshoot possible malfunctions
- JD 5720 - How to troubleshoot possible problems
- JD 6105R - Major failure and repairs
- JD 6115M - How to fix the problems
- JD 6125R - How to repair breakdowns
- JD 6140R - Problem solving
- JD 6150M - Problems and Solutions
- JD 6155R - Common problems and repairs
- JD 6190R - Repair issues
- JD 6210R - Repair tips
- JD 6220 - Problem solving assistance
- JD 6320 - Troubleshooting assistance
- JD 6420 - Operating problems
- JD 6520 - Operating faults
- JD 6630 - Repair methods
- JD 6820 Problem - Troubleshooting Tips
- JD 6910 Problem - Repair methods
- JD 6930 Problem - Troubleshooting assistance
- JD 7200R Issues - Repair methods
- JD 7230R Problem - Repair assistance
- JD 7310R Problem - Repair tips
- JD 7430 Trouble - Repair assistance
- JD 7530 Issues - User questions
- JD 7610 Problem - User questions
- JD 7720 Troubleshooting methods
- JD 7810 Troubleshooting assistance
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