Help identifying

[fixkick]

that is the 4door, rear waster hose (for wiper rear). comes on 4door car,even though it is mISSING that option ,even day 1.
the spring prevents collapse.

there are 2 ways to find A/C Freon leaks.
the dye test( sold with refill can kits..

and the sniffer. (lots more expensive)