Use can use the search facility here to find a post of mine a couple months ago describing the vacuum system in pretty good detail. Yes, I could find it for you, but it's better if you learn how to use the search for yourself.

__________________
Rick Miley
2014 Tesla Model S
2018 Tesla Model 3
2017 Nissan LEAF
Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro
Chain Elongation References