She started 'making noises''about' running for office. [=she started saying things that showed she was thinking about running for office]
Politicians are 'making (all) the right noises' about improving the schools, but they don't want to spend any money to do it.
Congress has been 'making' (a lot of) 'noise' about lowering taxes, but no one expects it to happen.
(..) ARRESTING Police! Freeze! Don't move, motherfucker! I will blow your brains out! Shut the car off slowly! I thought I was dead, but when I heard all the noise I knew they were cops. Only cops talk that way. Don't fucking move. If they had been wiseguys, I wouldn't have heard a thing. (..)1990 Goodfellas