High pitch screech from Octavia scout 2015

High pitch screech at high revs on my Octavia scout 90k miles.

Car has been parked for a couple months with me turning it on here and there and driving around never had this issue. Changed the radiator pack recently and new coolant, sometimes I hear sloshing around when I turn it off. The other day I started it and on driving it a little at high revs it makes a horrible screech sound! Don’t know where it came from but very m random. Haven’t been using much as looking for a bumper for it as it’s damaged