Clio 200 strange noise

[mrclio203]

Hi

Have strange noise from engine area.
After trip in mountain the noise detected when i stop the car.
After one hour i start the car again and the noise dissappeared BUT the idle issue is still there.
The car idles at 5500 rpm with some vibration.
Any help will be appreciated.
Video attached.
https://m.youtube.com/watch?v=biSr-bEbnAw&feature=youtu.be

 

[mrclio203]

Forgot to mention that yesterday the coolant and oil maintenance was done with castrol oil and renault coolent.