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Coolant problems
started by xltrider74
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December 7th 2008 at 6:46 PM
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xltrider74
Starting Member
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3 Posts
Group: Members
Member Since: November 23rd 2008
Location: New Hamburg, Ontario, Canada
Current Sled: 95 Polaris 600 xlt
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Hey all...I just bought my first sled this year and know absolutely nothing about whats going on.Fist of all the sled i bought is a 95 Polaris 600 xlt...the first problem that i am having is i have coolant spraying out the overflow bottle....it doesnt do it when running at low speeds...only at high speed. The second problem i have is i pulled out a yellow handled dip stick (witch i am not sure what it is for)and it was a milky white color,when i checked my buddys sled the fluid was black....so i am assuming it is not supposed to be the milky white color...lol. I am not sure if these 2 problems are linked in any way but any info at all would be great...thnx
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Site Supporter
Group: Site Supporters
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December 7th 2008 at 6:53 PM
[ Modified December 7th 2008 at 6:56 PM
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snowolf
Average Member
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514 Posts 
Group: Members
Member Since: January 23rd 2006
Location: buchanan, mi, USA
Current Sled: 04 f6 red 97 ultra spx se
2008-2009 Miles: 840
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chain case fluid is what your milky white fluid is. sounds like it needs changed and possibly a chain case seal over the shaft bearing.....at least change it and change it when it gets nasty again. Use some kind of chain case fluid(synthetic) or ATF or something with not too high off viscosity.
The bubbling coolant doesn't sound good. Try putting a new pressurized cap on. Not sure if there is a thermostat. Take the cap off when its cool and start. see if the water is flowing. could be a bad waterpump. is the belt there?
i had a 94 xlt sks w/ aftermarket pipes. RAn pipes from day 1 and never rebuilt. sold it with over 8000 miles. that was one good running sled in its day.
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December 7th 2008 at 9:55 PM
[ Modified December 7th 2008 at 9:57 PM
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xltrider74
Starting Member
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3 Posts
Group: Members
Member Since: November 23rd 2008
Location: New Hamburg, Ontario, Canada
Current Sled: 95 Polaris 600 xlt
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There is flow under the cap and the cap is new...the top end was done just before i bought it...could it just be air in the system?Not sure if the belt is there or not....i will check when i go back out.
Any idea whats is causing the chain case fluid ta turn white?
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December 7th 2008 at 11:17 PM
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toomany
Starting Member
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45 Posts
Group: Members
Member Since: November 11th 2008
Location: Auburn, Mi, USA
Current Sled: '05 700 XcSp
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Quote originally posted by xltrider74
There is flow under the cap and the cap is new...the top end was done just before i bought it...could it just be air in the system?Not sure if the belt is there or not....i will check when i go back out.
Any idea whats is causing the chain case fluid ta turn white?
It could be air in the system. Do you know if the heat exchangers were drained? If so, the front of the sled might need to be tipped up while running to bleed the air out. Some sled have a bleeder screw too. I don't know if yours does or not, I'm sure someone will chime in with the answer.
When water mixes with oil it turns to the nice milkshake stuff you found. Could be comming in from the seal in the chain case bearing. Not that hard to change the bearing.
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December 7th 2008 at 11:32 PM
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99zl
Junior Member
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203 Posts 
Group: Members
Member Since: October 9th 2008
Location: Albert Lea, MN
Current Sled: 99' ZL 440
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i had a indy 400, had to drain the coolant to get the hoses out the way to get the chaincase out.(this was during fall, not too cold yet) i washed the system out with our hose, forgot to drain the water out the heat exchangers before it got cold, so i left it, got it up and running and the first night out, it was doing wat ur problem is. so check the heat exchangers, mine finally unfroze when i had it pinned all the way down the street.
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December 8th 2008 at 5:00 AM
[ Modified December 8th 2008 at 5:01 AM
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xltrider74
Starting Member
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3 Posts
Group: Members
Member Since: November 23rd 2008
Location: New Hamburg, Ontario, Canada
Current Sled: 95 Polaris 600 xlt
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Thnx for the help and great info,I will try these things asap and keep ya's posted.Keep'n my fingers crossed it's nothing major.....start'n ta get some good snow here
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December 8th 2008 at 5:27 AM
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yamarx1
Average Member
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512 Posts
Group: Members
Member Since: March 6th 2004
Location: toronto, ont, Canada
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You need tp pressure test the system overnight. If it holds pressure then you have to bleed the system of air. If the pressure drops open up the drain screws below exhaust pipe 1 or more cyclinders will have some green stuff ( antifreeze ) Now you know which cylinder has the problem. If you have to take the heads off take a close look at where the steel liner was pressed into the cylinder. I think you may find the liner has dropped down.
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December 8th 2008 at 6:03 AM
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2002ZR800
Arctic Cat "Ride the Pride!"
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172 Posts
Group: Members
Member Since: December 3rd 2008
Location: Essex Jct, Vermont, USA
Current Sled: 2002 ZR 800
2008-2009 Miles: 1288
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Quote originally posted by yamarx1
You need tp pressure test the system overnight. If it holds pressure then you have to bleed the system of air. If the pressure drops open up the drain screws below exhaust pipe 1 or more cyclinders will have some green stuff ( antifreeze ) Now you know which cylinder has the problem. If you have to take the heads off take a close look at where the steel liner was pressed into the cylinder. I think you may find the liner has dropped down.
Could it just be a blown head gasket or o-ring?
1988 El Tigre' 6000
1993 Prowler
2002 ZR 800 Cross Country Edition
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December 8th 2008 at 6:25 AM
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polaris1man
Average Member
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738 Posts
Group: Members
Member Since: December 22nd 2007
Location: Nashwauk, Minnesota, USA
Current Sled: Polaris SKS700
2008-2009 Miles: not many
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High speeds and not flowing leads back to the pump. Prop the back end up, pop the cap off, see if you have any flow motion with the antifreeze in tank, if not, then most likely the propeller froze up on the shaft. As for the year, I thought the pump was mechanical driven like the Ultra's,no???
Three-1999 Polaris SKS700's
2000 Polaris SKS700
2000 Polaris Ranger 6x6
2007 Polaris Sportsman 800 EFI X2
2000 Yamaha YZ 250
1996 Yamaha WR250
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