Thanks for the insight, I forgot to say there was a capped off hose linked to the brass pipe, one meter / ~3 ft long, but there was no clamp, or it broke while I was working on it. I'll look at the elbow tomorrow.

Hello, So, I bought an 850 T5 last year with a lot of previous owners, and apparently some shady ones, it broke down the day I bought it, repaired it, it's been running since February (without tracs and abs because apparently it's malfunctioning). Anyways, while trying to fix the abs with a friend, ...