attached video of a porsche colonocopy. We start with the heating tubes! I have found a washer or what I think is one. I was able to verify that it was loose but I could not remove it. That washer comes from outside and got into the hole or at some point inside could it have come loose? the video is not very interesting but you can see a little like this place.


I do not know if I'm explaining myself well.
The place where I introduced the camera:
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