Squeal has come on with cold weather. It doesn't start when engine is started, but begins (if it does at all) when accelerating from a stop at the end of our block onto the main street. The squeal doesn't start as a chirp-chirp and escalate; it goes from nothing to full on squeal. This has only happened from a cold start. Squeal is alarming enough that R circled back and parked when it didn't immediately go away yesterday. She reported no dash lights or other symptoms.

Reading the archives, seems it could be:
1) a drive belt (caused by accessory bushings or belt/tension)
2) alternator bearing
3) water pump bearing
4) timing chain tensioner
5) power steering pump
6) exhaust (but surely doesn't sound like it to me)

I plan to drive the car sometime this week in hopes of getting the squeal and diagnosing further. Any tips? I'm not keen on replacing parts for 1-5 above until it quiets down (or doesn't!), especially since 1-4 have been done recently according to PO's records. Any advice for isolating the cause would be greatly appreciated. Let's assume I can get it to keep squealing parked at idle so I can monkey under the hood.

Thanks,
joe
portland, or