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.
(..) on? - l think he says we've stopped. - Of course we've stopped. Stop trying to speak whale. You'll make things worse. What is that noise? Oh, no. Look what you did. The water's going down. - You sure about that? - Look. Already it's half-empty. - l'd say it's half-full. (..)2003 Finding Nemo