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the only "high pitched noises" that I can think of are the belt and the power steering pump. Both very different and distinctive noises. Have a "car guy" give it a listen and he should be able to tell you what it is.
Check your PS fluid just in case. I would not call either noise "normal" in any car; but it could be a characteristic of this mustang; I don't know yet as mine has never been below freezing yet. I've had serpentine belted cars for over 20 years (including four of my six mustangs having serpentine belts) and never had a peep out of any of them, including 5 winters in the Boston area.
It is, however, most likely not a "problem" worthy of concern, but is probably something that can be corrected if the source is found (something like a weak tensioner, oil got on the belt, or perhaps a component with too much resistance...)
I have that problem when I park outside. On sub-zero mornings I get a whine that goes away after a minute or so. It happens on both my Stang and my Ford 5.4 litre truck. In my case it is the power steering pumps. I put some BG trans additive in the truck pwr steer system and it helps but still some noise. I don't think the pumps like cold weather............
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2007 GT, Kenne Bell stage II 2.6 14 PSI pulley, Pushing the limits of the stock block!
Too many mods to list.......
Have power will travel....Roads striped while you wait.
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RE: Cold Weather Starts
