Van anyone identify this squeaky pulley???

[kjb1]

Hi, anyone tell me what pulley this noise is coming from? Van is a 102bp euro 6 T6 on a 2017 plate. Really testing my patience, only had van a week, today, sliding door failed to close, had to have door card off and play with cables to get it to work again, then yesterday I replaced oil switch and oil pressure regulating valve to clear a flashing coil light on dash. Now today, I've developed a highly annoying squeak!! on pulley in engine bay. Anyone advise what it is and whether its easy to change?

thanks in advance

tried attaching mp4 vid, will not take it on forum driving me mad.

 

[Wills]

Cam & Aux Belt Tensioner Noise, Recorded.

Changed the belt and tensioner this afternoon. I took the wheel arch liner off, but it was a waste of time and didn’t help with access, so used the camping levellers to get a bit of height and removed the under tray and did it mostly from underneath. I spent a fair bit of time trying to get...

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