belt

I replaced my serpentine belt on my 2006 Ridgeline this past weekend because it had begun to make noise. When I took the belt off and looked at the tensioner pulley, it looked like it had a tread-like surface. It had many raised black spots on it. I assumed it was going to be completely smooth...

Pardon if this topic's been covered to death, but I've read through a number of the threads and came away less-than-clear. Purchased our 2006 RL pre-owned with 24,000 miles on it. Today it has about 63k. Probably 70% of the miles we've added have included towing a small travel trailer. No MM-4...