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I have a 1994 Polaris 500 4x4. When I started it last, there was oil spraying out a small round hole in the crankcase housing behind the water pump. It might be a pressure plug. Does anyone know what this is and why it happened and how to repair it. Thanks for any advice
 

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Welcome to the board!:med:
 

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Need to replace the oil seal on the water pump shaft. Also going to have to do the water pump seal with it and possible more once you get in there and look. Do not run it till you fix it as the coolant can get in the oil and do major engine damage if run that way.
 
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