yea thanks,sled ran great on my one ride season this year but i noticed the coolant resevoir went up till it cooled off,snow was frozen and none of it made it to the coolers so that didnt help either,temp light never came on,dont think i would make it far without the oil pump working so ill start with the impeller and see whats up,maybe nothing,any easier way to test that gear then tearing it apart?