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.
(..) Not "just", Clarice. What set you off? - You started at what time? - Early. Still dark. Then something woke you, didn't it? Was it a dream? What was it? I heard a strange noise. What was it? It was screaming. Some kind of screaming. Like a child's voice. What did you do? (..)1991 The Silence of the Lambs