I'd guess air in system. Burp it really good, wherever the bleed is in the cooling system. Should be at a high point in the cooling system near the engine.

Galaxy gadget!

 

that is a very good suggestion

 

Thanks ! Looks like it's a seal in the water pump.

 

So it was low on coolant??

 

Nope wasn't even low. Was losing a couple drops. I could see it circulating. It's under warranty thank god.

 

I don't understand how such a small leak would lead to overheating if system was full of coolant??

Since it is under warranty let them figure it out and fix it. Let us know if replacing the water pump seal fixed it.

 

I'll report back for sure !!

 

it was a seal

 

If it's circulating within the pump it never makes it to the radiator.

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still seems to run somewhat hot though. 215-218 . hoping it doesnt have to go back to dealer.

 

Oh yeah that sounds hot. I think my fan shuts off at 193.

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Mine was doing the same thing when I went to little Saharah last summer. Right before I went i took the rzr to polaris to have it serviced, told them to give her the works and everything. Got to LS and started having over heating issues turns out there was hardly any coolant in it. I figure they would of toped off the coolant when they charge an arm and a leg for a "full service" ill know to check next time forsure


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I'm gonna check mine now

 

When is the last time you really washed the radiator. It doesn't take much dirt to block the fins. If the fan is running wide open, it doesn't matter if it can't pull air through.

 

right before the last ride. Cleaned it very well w out the pressure washer.

 

Burp it.

 

Air in system. There is a valve in the system near the engine to vent air out of the cooling system.

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I have a 2011 RZR4 and it has no valve so you need to get the front end as high as you can to get the air to track to the front. I used a funnel that attaches to the radiator and was able to let it idle and that got all the air out.

 

Thtas exactly How I am doing it, with a funnel. That sounds like a good idea ! Thanks !

 

There should be a small screw on top of the heads to bleed it out. Kind of a pain to get to. But that is how I bleed mine out after i put a top end kit on it.

 

I just bleeded my system on my rge 10, it was overheating, I put coolant in it after I removed a hose, and didn't bleed it got home and looked for the bleed screw and found one on the thermostat housing, is this the right one, I think I did it right but haven't tried it out