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Hey im having some problems with my sled right now, it is overheating. Im not to sure what might be causing the problem, but someone told me to check the engine seals. any information on how hard it would be to replace the seals or any other problem it could be woulld be appriciated. thanks
 

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Bad engine seals? They normally will make the sled run lean and crappy.
You can check them by simply squirting some starting fluid around them while running. If the sled picks up rpms they need to be replaced. However the seal on the mag side is pretty hard to get at. Generally the PTO side is the one that goes bad.
Regardless, before you assume the engine seals are bad you need to do the simple checks first.
1- snow conditions? Are they low or icy?
Your heat exchangers may not be getting enough snow to properly cool the sled.
2-Antifreez? Is the tank full?
3-Thermostate? You can check that by simply placing it in some hot water and see if it opens.
4- Bad dummy light and/or gauge?
5- do you have a leak within the system? You may have a cracked or leaking heat exchanger or a leak elsewhere within the system.
6- Water pump impeller (unlikely but is has happened)
 
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