So, my thermostat is junk. I have to wait until next week to do the replacement (none of my local parts stores had one and I wasn't feeling a 55 mile drive to get one, so Amazon Prime to the rescue) I changed out my belt tensioner last night and noticed there was some considerable play in the water pump. Unfortunately, I'm rather uneducated with this and my mechanic took today off. I can't see any seepage, but it doesn't mean there isn't any. It sounds like it's doing what another user called the "dance of death" quite similar to a rod knock condition but more or less closer to the valve cover but I'm really unsure. Listen closely to the audio.
See attached youtube video with my vulgarities intact.
See attached youtube video with my vulgarities intact.