Anti-freeze overflow

[muskrat]

My sled, 03 RX1, runs 180-195 degrees but it is blowing anti-freeze out the overflow tube. Any ideas why this is happening. I bled the system twice so according to Yamaha's procedure so I don't think I have an airpocket. I added two quick connects in September to hook up cool down cart and recently I added a temp gauge so I have been in the system twice but this problem requires I add coolant all the time to keep the system to the full cold line. Could it be the pressure cap is bad. Thanks for any suggestions.

Muskrat

 

[muskrat]

sorry

Sorry about the double post, didn't see my first post . I guess you have to exit out and back to see what you just posted, I feel like a Rookie again.

Muskrat

 

[MrSled]

If you blow a head gasket, it will push the air and anit-freeze back in the system and out the bottle....does it do it all the time...or just in low snow.

 

[192 Woodys]

How much are you adding? I found myself adding coolant to my sled after every ride about 1/4 to 1/2 inch at the cold line. Stopped adding 1 time and found out that was just the level that my sled wanted to run at. Never lost another bit. Don't know if you are losing a little or alot, this might help though.

 

[muskrat]

anti freeze

Hi Mr Sled

I was worried this could be a head gasket, this is what it does.......it blows some anti-freeze out until the level drops and then it seems to stop, so it doesn't do it continuously. However, I let it sit and without adding more anti-freeze, (the level was between empty and "full when cold" line,) I ran it for a few minutes, 100 mph runs , until the temp came up to 180+ and when I shut it off some more came out...not much, the tank was almost full when I shut it down but when the sled cooled the level dropped to the bottom. One more thing, when I started it between runs the temp went up to 200+ then down to 150 within 2 seconds, almost like an air bubble was there or something. I hope it is not a head gasket, how do I check for that?

Muskrat

 

[grader]

the 03s seemed to spit out coolant if you tried to keep it at the full line when cold. if it showes 1 in. or so in the bottle when cold, then its ok.

 

[MrSled]

could be an air bubble...but like grader said only keep 1" of coolant in the bottle and then keep a close eye on it. If you had a bad headgasket, I would think it would keep overheating and it would pump more air into the cooling system.