Have you had the idler pulleys replaced? If not, I would not run that engine until you do. When those go it’s a bad day.

The tensioner is damped. Even though it has the lock on it you will have to move it to get the lock off. The dampening is pretty strong so you put a 6 point socket on the hex nub and push on it and wait for it to s l o w l y move. A lot of these tensioners get that 19mm hex nub broken off due to exp...