Go BottomENGINE OVER HEATING AND FAN NOT COMING ON
 | JOEY3SPRINGS
Join Date: Oct 2007 Posts: 3 NEW YORK 
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2007-10-28 147475
I HAVE A 6 X 4 GATOR AND I AM HAVING A PROBLEM WITH THE ENGINE OVERHEATING, THE FAN IS NOT COMING ON?? NOT QUITE SURE WHERE TO START?? DOES ANYONE HAVE A SUGGUSTIONS?? THE FAN COMES ON SOMETIMES BUT NOT ALL THE TIME?? THANKS
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 | candoarms
Join Date: Mar 2007 Posts: 1932 North Dakota 
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2007-10-28 147480
Joey3Springs,
How long has it been since you took an air hose to the radiator?
Blow out the radiator very thoroughly, using care not to damage the radiator fins in the process.
Once you've done that, check the electrical connections on your temperature sensor, fan motor, etc. It sounds to me as though there may be slightly loose electrical connection somewhere in the engine cooling circuit, since your cooling fan works intermittently.
Aside from these things, you could have a thermostat that's sticking shut, or not opening fully. It's also possible that you may be a bit low on coolant, though I suspect you've already checked that.
Also check to make sure that you don't have a collapsed radiator hose, which would severely restrict coolant flow.
Lastly, your water pump could be going bad.......but let's not jump to conclusions here. Let's address the easiest and most common problems first.
Get back to us as soon as you investigate a few of these things.
Joel ....
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| candoarms
Join Date: Mar 2007 Posts: 1932 North Dakota
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2007-10-28 147481
Joey3Springs,
I forgot to mention that you should also check your radiator cap. In fact, it might be a good idea to simply replace it.
Believe it or not, a faulty radiator cap can cause all kinds of problems with the engine's cooling system.
Joel ....
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 | Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada 
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2007-10-29 147500
Joey didn't say if his Gator is a gas or diesel, if it's a gas engine it's got an air cooled engine in it, unlikely it would have a problem with the water pump, radiator or rad cap.
Sensor or something is more likely the culprit in that case.
Best of luck. ....
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 | jbjpam
Join Date: Jun 2007 Posts: 39 Mid Michigan
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2007-10-29 147507
If it is a 6x4 it is liquid cooled. The most common reason
for overheating on these is the engine block is not full of
coolant even though the radiator and bottle is full. This is preventing water from getting to the pump to circulate.
Not sure about the diesel but the gas has a small screw just
behind the carburetor on the top of the engine block.
With the engine running, slowly fill this hole with coolant.
Fill it right to the top and check it often at first.
This solved my problem and was never an issue after that.
As far as the radiator fan not turning on. It is most likely
the hot water is not getting there to sense it needs to be on. Or the switch is bad. Good luck. ....
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| JOEY3SPRINGS
Join Date: Oct 2007 Posts: 3 NEW YORK
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2007-10-30 147539
THE GATOR IS GAS NOT DIESEL.
....
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| JOEY3SPRINGS
Join Date: Oct 2007 Posts: 3 NEW YORK
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2007-10-30 147540
THANK YOU FOR ALL THE RESPONSES. WE WILL TRY SOME OF YOUR SUGGESTIONS AND GET BACK TO YOU... JOEY ....
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| Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada
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2007-10-30 147543
Maybe they don't know what they're talking about, but the JD website says the gas-powered Gator has a 19hp air-cooled Kawasaki engine in it.
Best of luck. ....
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| jbjpam
Join Date: Jun 2007 Posts: 39 Mid Michigan
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2007-10-30 147546
My 6x4 has a radiator, hoses, water pump and a cab heater
that uses water running through it to keep me warm so I
am assuming it is a liquid cooled engine.
My brother has a 2x4 that is air cooled.
Maybe the old AMT model is air cooled??
Let us know what the problem was.
....
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| kleinchris
Join Date: Jun 2007 Posts: 269 Westminster, Texas
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2007-10-30 147550
Could this be a belt problem? I have an HPX which was overheating, as well as experiencing some other problems. Anyways, I discovered that the belt cover was cutting into the belt which didnt break it, but caused enough problems between the alternator and water pump to cause overheating. It might be worth removing this cover to give everything a look. ....
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