I have a 99 ski doo summit 600, and after rebuilding the top end after melting down a piston realize the water pump no longer works. Has anyone else had a pump failure?? These things arent cheap $180.00 at my dealership. But it needs to be fixed. So i guess what i need to know is do i need to split the case, or is there another way. So if any of you can give me a starting point it would be great, or even a cheaper way to fix the thing would be better. thanks.