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.
(..) You know, at a time like this, the idea is to keep cool, not look cool, so why don't you lose the glasses? About a month ago, middle of the night, I thought I heard noises in my house. Was that you? What? Come on. No way. Don't lie to me, kid. You see that guy with the gun out there? (..)2014 Transformers: Age of Extinction