If I heard the sound from the video correctly it sounded more like almost a squeal. Stupid question maybe but did you check the rotor shields to make sure that they aren't rubbing against the rotor? I have had that happen before if they get bent during repairs just enough to almost touch the rotors....

Update I finally got the motor a disassembled. The black plastic cover is simply held on by friction with an o-ring. It is a very tight fit, but it does come off. I applied some heat to the cover, and then used a small plastic rivet puller and hammered it around the edge. Prying some and it popped o...

It's not hard to remove them. A bit harder to put them in place at the correct angles, but still doable.

Not sure where you are in Canada, but: https://www.kijiji.ca/v-other-auto-parts-and-accessories/st-albert/volvo-v70-xc70-dog-guard-barrier/1610781333 Make sure if you are buying one of these that you get the mounts for the ceiling in the Volvo. The pictures on the listing does not show them, and not...

Mine was similar, you might have to drop rad and intercooler out the bottom together, you should be able to get to the sensor.

Another place worth a try is LKQ. They have a large yard in Quebec as well as linked yards that may still carry older cars.

I got a transmission from them for a 2012 XC60 off the shelf. Appreciate it is a newer model.

Neil.

Maybe worth PM'ing Blacklab467 on this. I know he replaced doors on his 03 XC70 and had some issues.

Neil.