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.
(..) I understand. But you're doing all right. I haven't received any complaints. I put a cloth over the strings to lessen the noise. That's very smart. - Not everyone loves music. - I know. What does your father do? - He's a composer. (..)1994 Léon: The Professional