not trying to remove, just turn so the pulley turns
I have never replaced the belt or tensioner on this truck, but in the past I have on other vehicles - and I never needed to put much force on the wrench to turn the pulley assembly and remove the belt. I have cranked on this one pretty good with no luck. A friend suggested it is the tensioner, but as far as I know (again, from experience on other vehicles) the tensioner is mechanical; if anything were to go wrong with it (only a few parts), it would be the spring busting, which would cause the belt/tension pulley to be loose. I have never heard of a tensioner being stuck in the LOAD position. Any other thoughts?