That high pitched squeak? It could be your serpentine belt.
Squeaking Noise from Engine Bay
When a drive belt is worn out or needs to be repaired, you might hear a high pitched squeaking noise coming from the engine. That's the sound of the belt ‘slipping’ on the pulleys and other components that it helps operate, like the power steering, alternator, water pump, and air conditioning system.
If you're not sure what that noise sounds like, this video can help you diagnose it: [embed]https://youtu.be/AEUe6uKxTv8[/embed]If ever you hear this sound, it's important to get your car checked out right away.