Basically my pulley (crank)was making a slight rattling noise inspected closer and turns out crank pulley nut was loose and needed tightened ,anyways tightened and without tension on it , it was fine but fired belts back on and is the same ? so anyone had or know of this problem ? , do i need to change pulley ? whats the score guys ? helpp lol car runs fine but dont wanna drive just now incsae something comes off