Plugs for lines

So maybe the modern silicone fluids or antilock components are different. I don't know.
Odds are some component will fail thus some percentage of the fluid will be lost/replaced regardless.
In the case of DOT3, I wouldn't suggest attempting to completely clear the fluid from a system with compressed air. Any moisture will generate rust in a open system. But anyway... I'm off to change the air in my tires. Cheers