Can you help me troubleshoot a Ford Escort ac compressor that is making noise?

Do wild hawks make noise?

Should I be concerned that my neck makes noise when I turn it?

What could be causing a grating noise in my upper back?

What could be wrong if my starter makes a clicking noise?

What could be wrong if my surge protector is making a chirping noise?

What could cause a squealing noise from a carburetor at full throttle on a chainsaw?

 bicycles