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post #1 of 11 (permalink) Old 06-09-2010, 10:21 PM Thread Starter
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Rhino over heats

Welcome me, I'm a newbie
I have a 08 700 its over heating. I have replaced the radiator cap and the thermostat. the cap was stuck wide open and replaced the coolant. Its still over heating.
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post #2 of 11 (permalink) Old 06-09-2010, 10:56 PM
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head gasket maybe,

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post #3 of 11 (permalink) Old 06-10-2010, 02:30 AM
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did you bleed the system?

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post #4 of 11 (permalink) Old 06-10-2010, 08:59 AM Thread Starter
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Yes I did. I parked up hill with the motor at the highist point and opened the bleeder valve on the thermostat housing. With the motor running, in till violent came out. I was told that was the right way to do it.
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post #5 of 11 (permalink) Old 06-10-2010, 09:33 AM
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Quote:
Originally Posted by Aureliusracing View Post
Yes I did. I parked up hill with the motor at the highist point and opened the bleeder valve on the thermostat housing. With the motor running, in till violent came out. I was told that was the right way to do it.
with it cold, remove the radiator cap and start it up, after it warms up and the thermostat opens up, the water should move thru the radiator.
if it doesn't, you have a bad waterpump or thermostat didn't open.
if it does move, you might have a bad rad cap.

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post #6 of 11 (permalink) Old 06-10-2010, 11:37 AM Thread Starter
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It has a new cap and stat. The old cap was stuck wide open and I replaced it. When it first over heated I did that. But I will check again the flow in the radiator for the water pump. Thxs
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post #7 of 11 (permalink) Old 06-10-2010, 11:49 AM
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How bad did it overheat? If it got real hot, while trying to make it back to camp or something? Is there any water in the exhaust, like white smoke or actual moister coming out the exhaust? thats how I found my bad head gasket. Hope its not the head gasket but they are not that hard to fix.

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post #8 of 11 (permalink) Old 06-11-2010, 09:43 PM
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You want the rad at the highest point not the motor if that's not what you meant

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post #9 of 11 (permalink) Old 06-13-2010, 01:52 PM Thread Starter
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Cool

I have a steep drive way and I tried that. It has a new cap and stat. I'm thinking weak water pump or head gasket. Sometime I can run it all day with no prob and some it over heats all day long. There's no water in oil or exhaust. Plug seems a little rich. The only thing I noticed was there was a very little bubbles in the radiator when I was running it with the cap off. I'm thinking it's the head gasket. I just want to moe sure I'm not over looking anything else before I take the head off.
The water pump seal is leaking out the weep hole. It not making a puddle it's just sitting in the hose. It mite be pulling air in the seal when it running. That would explain the air in the radiator.
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post #10 of 11 (permalink) Old 06-13-2010, 03:36 PM
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If the water pump seal is out you have a problem and the system wont maintain pressure either. Pumps probably out.

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