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Tim-ANC

2009 Polaris RZR 800 radiator steaming

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Been wrenching on a 2009 RZR 800. Took it out a couple times and the overheat indication came on. Found the coolant low. Filled and same thing happen the next day. When I run it at idle, steam pours off the radiator and it smells like glycol. No visible coolant leakage when it sits overnight. I suspect the radiator has several pin holes that retain liquid but leak when the coolant is vaporized. Can anyone else have experience with this?

 

 

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Hey @Tim-ANC , with no leaks I would be concerned that the coolant is going into the combustion chamber. Is it smoking, white smoke? Check the water pump and make sure nothing is leaking.

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Thanks AJM. Last week it overheated, steamed up and bypassed blowing coolant everywhere. Filled it up again today and did the air purge per the manual. No white smoke. I think it was low before. Will monitor. Still get steam off the radiator after it idles for awhile.

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Radiator fan was not turning on. I did the test per the manual. While running, disconnect wire connector from the temp sensor near the thermostat. Fan is supposed to default to on. Mine didn't. Found the fan relay lose in the fuse box. Works great now.

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