Hi to all hope someone can help i removed gearcase from 1976 55hp evinrude for waterpump replacement disconnected gear shift rod to replace houseing grommet i noticed that drive shaft could still be turned but has now went solid have i brocken somthing or has somthing happened inside i don,t want to start putting new pump or gearshift houseing back together untill im satisfied that iv not brocken anything many thank,s