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Engine hard to start or will not start
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Incorrect starting procedure
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Review starting procedure
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No fuel
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Fill fuel tank, bleed fuel system
|
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Air in fuel line
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Bleed fuel system
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Cold weather
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Use cold weather starting aids
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Slow starter speed
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See Starter Cranks Slowly
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Crankcase oil too heavy
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Use correct oil viscosity
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Incorrect type of fuel
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Consult fuel supplier; use correct fuel type for operating conditions
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Water, dirt, or air in fuel system
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Drain, flush, fill and bleed system
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Clogged fuel filter
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Replace filter and bleed system
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Clogged sump screen
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Drain tank, clean or replace screen
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Dirty or faulty injectors
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Have Your John Deere Dealer check injectors
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Engine knocks
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Insufficient oil
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Add oil
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Low coolant temperature
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Replace thermostats
|
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Engine overheating
|
See Engine Overheats
|
|
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Valve Lash
|
See your John Deere Dealer
|
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OU1092A,0000041 -19-29SEP03-1/5
|
| Symptom |
Problem |
Solution |
|
Engine runs irregularly or stalls frequently
|
Low coolant temperature
|
Replace thermostats
|
|
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Clogged pre-filter or fuel filter
|
Replace filter and flush pre-filter
|
|
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Clogged sump screen
|
Drain tank, clean or replace screen
|
|
|
Water, dirt, or air in fuel system
|
Drain, flush, fill and bleed system
|
|
|
Restricted fuel line
|
Clean or replace fuel line
|
|
|
Dirty or faulty injectors
|
Have Your John Deere Dealer check injectors
|
|
Below normal engine temperature
|
Defective thermostat or thermostat incorrectly installed
|
Replace thermostats
|
|
|
Defective temperature gauge or sender
|
Check gauge, sender and connections
|
|
|
Viscous fan locked up
|
See your John Deere Dealer
|
|
|
OU1092A,0000041 -19-29SEP03-2/5
|
| Symptom |
Problem |
Solution |
|
Lack of power
|
Engine overloaded
|
Reduce load or shift to lower gear
|
|
|
Low fast idle speed
|
See your John Deere Dealer
|
|
|
Intake air restriction
|
Service air cleaner
|
|
|
Clogged pre-filter or fuel filter
|
Replace filters and bleed system
Remove fitting at fuel filter. Clean and install
|
|
|
Clogged sump screen
|
Drain tank, clean or replace screen
|
|
|
Incorrect type of fuel
|
Use correct fuel
|
|
|
Overheated engine
|
See Engine Overheats
|
|
|
Below normal engine temperature
|
Remove and check thermostats
|
|
|
Incorrect valve clearance
|
See your John Deere Dealer
|
|
|
Dirty or faulty injectors
|
Have John Deere Dealer check injectors
|
|
|
Turbocharger not functioning
|
See your John Deere Dealer
|
|
|
Leaking exhaust manifold gasket
|
See your John Deere Dealer
|
|
|
Implement incorrectly adjusted
|
See implement operator's manual
|
|
|
Restricted fuel line
|
Clean or replace fuel line
|
|
|
Incorrect ballast
|
Adjust ballast to load
|
|
Low oil pressure
|
Low oil level
|
Add oil
|
|
|
Incorrect type of oil
|
Drain, fill crankcase with correct quality and viscosity of oil
|
|
|
OU1092A,0000041 -19-29SEP03-3/5
|
| Symptom |
Problem |
Solution |
|
High oil consumption
|
Crankcase oil too light
|
Use correct viscosity oil
|
|
|
Incorrect oil refill
|
See Checking Engine Oil Level in the Lubrication Section
|
|
|
Oil leaks
|
Check for leaks in lines, around gaskets and drain plug
|
|
|
Defective turbocharger
|
See your John Deere Dealer
|
|
Engine emits white smoke
|
Incorrect type of fuel
|
Use correct fuel
|
|
|
Clogged or dirty air cleaner
|
Service air cleaner
|
|
|
Engine overloaded
|
Reduce load or shift to a low gear
|
|
|
Incorrect starting procedure
|
See Starting the Engine in Operating the Engine Section
|
|
|
Injection nozzles dirty
|
See your John Deere Dealer
|
|
|
Turbocharger not functioning
|
See your John Deere Dealer
|
|
Engine overheats
|
Dirty radiator core, oil cooler, or grille screens
|
Remove all trash
|
|
|
Engine overloaded
|
Shift to lower gear or reduce load
|
|
|
Low engine oil level
|
Check oil level. Add oil as required
|
|
|
Low coolant level
|
Fill radiator to correct level, check radiator and hoses for loose connections or leaks
|
|
|
Faulty radiator cap
|
See your John Deere Dealer
|
|
|
Loose or defective fan belt
|
Check belt tensioner. Replace as needed
|
|
|
Cooling system needs flushing
|
Flush cooling system
|
|
|
Defective thermostat
|
Replace thermostats
|
|
|
Defective temperature gauge or sender
|
See your John Deere Dealer
|
|
|
OU1092A,0000041 -19-29SEP03-4/5
|
| Symptom |
Problem |
Solution |
|
High fuel consumption
|
Incorrect type of fuel
|
Use correct fuel
|
|
|
Clogged or dirty air cleaner
|
Service air cleaner
|
|
|
Engine overloaded
|
Reduce load or shift to lower gear
|
|
|
Incorrect valve clearance
|
See your John Deere Dealer
|
|
|
Injection nozzles dirty
|
See your John Deere Dealer
|
|
|
Implement incorrectly adjusted
|
See implement operator's manual
|
|
|
Low engine temperature
|
Replace thermostats
|
|
|
Excessive ballast
|
Adjust ballast to load
|
|
|
Defective turbocharger
|
See your John Deere Dealer
|
|
Engine power reduced (9420T, 9520T and 9620T)
|
Operating with heavy ballast and full power
|
See Drive Train Protection-9420T, 9520T and 9620T in Operating the Tractor Section
|
|
|
Using PTO with tractor stationary
|
See Drive Train Protection-9420T, 9520T and 9620T in Operating the Tractor Section
|
|
|
OU1092A,0000041 -19-29SEP03-5/5
|
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