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.
(..) At the first sign of trouble, I'll give you a signal. - You mean like Crane does? - Yeah. Excuse me, when have I ever made that noise? Master Ox! Master! The ferocious Master Croc! And Master Storming Ox. I can't believe we're rescuing actual legends of kung fu. (..)2011 Kung Fu Panda 2