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High Flow Fan Kit!! Polaris has a fix (I hope)

22K views 50 replies 21 participants last post by  longtravel05  
#1 ·
Just got a note from my dealer that Polaris has put out a service advisory for a High Flow Fan Kit for XPT's that are overheating

:clap:
 

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#14 ·
I don't think a high flow fan is the answer, more of a patch. Inner cooler stacked in front of the radiator is the main issue.


So every factory turbo semi, truck, and car on the road is doing it wrong?


No, they're all doing it right! ...Clearly!

Think about it. You're over heating and the best solution is to pull more air, faster past the inner cooler? Sounds like the cooling system is not large enough and heat soaking.

You obliviously have no idea what you are talking about. If properly sized but not enough air flow, it will overheat, especially at low speeds. If by having them stacked they possibly didn't account for the much higher esp across (2) heat ex-changers causing lower actual fan cfm being delivered then what is required to get the appropriate Delta-T across the coils (radiators) making it overheat. This issue is much worse in high load, low speed riding like sand dunes

Adding a bigger fan (or possibly a bigger fan motor or both) will overcome this and increase the actual airflow especially at lower speeds instantly and therefore lower the coolant and engine temps.

Yes, you could increase radiator size but you still need the correct size fan as we are not always driving 60 miles per hour.

If this higher cfm fan works, I am all for it.
 
#4 ·
Did you notice they said this service advisory will cover all vehicles UNTIL 12-31-16? Sounds like 2017 models will already have this installed.

But....wait for it...."Not all customers/vehicles need this fan kit as the stock fan will provide adequate cooling capability for the majority of users"

Another load of bullshit from Polaris...
 
#10 ·
Just got a note from my dealer that Polaris has put out a service advisory for a High Flow Fan Kit for XPT's that are overheating

:clap:
I don't think a high flow fan is the answer, more of a patch. Inner cooler stacked in front of the radiator is the main issue.
So every factory turbo semi, truck, and car on the road is doing it wrong?
 
#13 ·
Just got a note from my dealer that Polaris has put out a service advisory for a High Flow Fan Kit for XPT's that are overheating



:clap:


I don't think a high flow fan is the answer, more of a patch. Inner cooler stacked in front of the radiator is the main issue.


So every factory turbo semi, truck, and car on the road is doing it wrong?


No, they're all doing it right! ...Clearly!

Think about it. You're over heating and the best solution is to pull more air, faster past the inner cooler? Sounds like the cooling system is not large enough and heat soaking.
 
#16 ·
I too felt mine was running too hot. I'd almost always be over 200 and hit 235 at most when new, never hit limp mode. But after buying the EVO stage 1 ECM tune I've never seen 200 again, it runs at 185-190 all the time now. I know they lowered the fan starting temp but if the fuel mix is richened with this tune it could provide some cooling benefits also, correct.
 
#19 ·
Thinking of a generic cooling system...Typically, when coolant overheats the problem is with the cooling system, not the air/fuel mixture. If you think the A/F is off, check the plugs, but my guess is air in the system (as not all rigs are experiencing the same problem), too small a radiator, improper CFM fan, a fan set temp for on set too high, a malfunctioning thermostat or a combo of all of the above. I'm thinking mixture would be the least of of the problems.

Might also be wise to check the coolant mixture for the proper ratio of coolant/water of 50/50 to 60/40...and add the Polaris kit. Can't hurt.
 
#32 ·
Just like Harley Davidson had issues with over heating when they added cat converters into the exhaust, and leaned out the A/F ratio even further to meet yet again more stringent CARB standards, so too the XPT suffers in a like way. IMO getting rid of the restrictive stock muffler which contains a cat converter, richening up the A/F ratio some, and lowering the fan turn on temp will be the answers to this problem. Especially true with turbo motors, any exhaust restriction will greatly increase the exhaust gas temps (EGT)....even more so when that restriction is a cat converter because they are both restrictive as hell, and run SO hot! Once those blazing hot gases (1500Âş+) back up into the motor, they cause all kinds of problems.
 
#35 ·
If anyone is wondering the new fan is $299.00. I was at my dealer on Saturday, the parts guy is a friend of mine. We sat and found the fan kit in the bulletin and I ordered one. I haven't overheated, but figured what the hell. Got it anyway. Also ordered the plastic hood scoop air diverter that seems to also be different over the aluminum one I have. Was cheep. Prob won't notice a difference. Anyhow he said it looked like a month befor I would see the fan. Either that's when it's released or when it's available.
 
#39 ·
Ordered my new fan kit from Bikebandit.com...If you type in the part number and search it will show up as $299 but when you add to cart it changes to $248. On top of that it ships for free, no sales tax, and you will earn just over $6 in "bandit bucks" to use on next purchase. Only hiccup in my purchase was after I placed my order online I got an email saying the part was on backorder and they will ship it as soon as it comes in but then the very next day I got another email saying "your item has shipped" with shipping confirmation and tracking. Not bad. Mine has never come close to overheating but I also never want it to so I figured a fan upgrade wouldn't hurt.

 
#40 ·
Don't you need the busbar harness also? Or do you have a nice thick gauge wire going to the tie in panel under the hood?