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.
(..) them graciously to our home. -Good. And, Dudley, you will be. . .? -l'll be waiting to open the door. Excellent. And you? l'll be in my bedroom, making no noise and pretending that l don't exist. Too right, you will. With any luck, this could be the day l make the biggest deal of my career. . . (..)2002 Harry Potter and the Chamber of Secrets