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 10-28-2007, 20:25 Post: 147480
candoarms



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 ENGINE OVER HEATING AND FAN NOT COMING ON

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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 10-28-2007, 20:28 Post: 147481
candoarms



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 ENGINE OVER HEATING AND FAN NOT COMING ON

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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Discussion Boards > Active Subjects > Messages as Posted > John Deere Gator Forum

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