Thanks for the tips. It's not the same noise as the Camry water pump. I'll take the belt off and inspect all he pulleys and clean them. Hopefully that'll help. Thanks.

Hi all, been lurking for a long time. I have an '04 Vibe with about 95K miles. The engine had a sound like a bird chirping for a couple of years and recently it had a rather loud belt squeal on first startup on cold mornings. So, thanks to this forum, I figured the notorious belt tensioner was the c...