Well, as the subject states....my left front wheel makes a squealing noise while accelerating past 45 mph, much like the noise dirty brakes make when braking. Nothing major (i hope), just annoying. Any ideas?

 

Yup, I also have the same problem, only mines at the left rear.

I drove by five TOYOTAS today, all 2ND GEN, and they had the same annoying squeal. I guess it's a YOTA thing.......

 

I don't know if this is what you are talking about, but my brother had this same problem, only its when he was doing about 50+. whenever he would hit a small bump or dip in the road it would squeal. I found out it was the brake shield (the thin metal on the outside of the brakes that helps protect it) that was rubbing his brake rotor. All we had to do was tap it out a little with a hammer. Just a thought.

 

Mine does it at all speeds, but I don't think you're too far off.