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post #1 of (permalink) Old 01-26-2001, 11:54 AM
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AIR LOCK!

What is the best way bleed the system? I have heard conflicting views. Raise the rear end or raise the front end? The sled had the heat exchanger repaired on the left side foot rail on 97 XLT by the way. It over heats must be air in there? Temp light comes on. Dealer said to raise front end and run with cap off a manual said to rasie rear? Anybody know?

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post #2 of (permalink) Old 01-26-2001, 01:43 PM
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Re: AIR LOCK!

I've always raised the front up. It only makes sence that the air would rise up right? I just take it out and park it on a snow bank and let it run with the cap off. I'm not sure you even need to take the cap off because of the over flow tube, but do it anyway. If the book says to raise the back, do that too. Let it sit at both positions for about 5 min. The air could be in a funny spot, and might need a little bit of movement to get it out. Are you able to drive it? take it around a bumpy trail a few times.... (don't over heat your engine) but hit a few jumps and it might free it up. If that doesn't work, then it might be something other then an air lock.

Hope this helps, [img]/wwwthreads_images/icons/smile.gif[/img]

post #3 of (permalink) Old 01-29-2001, 11:04 AM
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Re: AIR LOCK!

I've had liquid cooled Polaris sleds for several years. I've tried several methods. I found tipping them up on their sides also helps. The coolers are designed so the water flows in the cooler then back it's length and up to the front again. Because of this the best bet is to work it back and forth, left and right, up and down on rpm. They don't move much water at an idle. Keep going until you can pinch a hose and feel the water flowing or feel the coolers getting warm.

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