Just giving an update. I removed the loose piece from the broken grey band in the pulley. I also replaced the READ drive pulley and water pump since I already spent time taking everything apart. The pulley wasn't able to free-wheel. I thought that's how it's supposed to be until I put on the new one...

@Neil Thanks! Sorry I couldn't figure out how to remove or link the previous post. I took the drive belt off, started the car, and tried to reproduce the noise. Car runs smooth and I can't reproduce the noise with the belt off. The coolant pump, idler pulley, tensioner, coolant & power steering ...

There is a rattling noise when I spin the AC compressor pulley. Seems like I need to replace the pulley or bearing? There's also a tapping noise from the engine bay when I apply throttle and hold the brakes in drive or reverse (but not in park). It's shown in second half of the the video. This noise...

Tapping/contact noise occurs when I apply throttle and hold the brakes in drive or reverse. Also occurs when accelerating from stand still. Its a 2010 XC70 with 140K miles. Engine and transmission mounts have just been replaced this week. Idler pulley and tensioner replaced 20K miles and 4 years ago...