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.
(..) Okay. Here we go. BOFUR: Stone-Giants! And they had these huge big wind machines that blew the rain into our faces. And the noise. The noise was unbelievable. There were times when I literally didn't have to act. I thought that we were in the worst storm on the mountainside from hell. (..)2012 The Hobbit: An Unexpected Journey