The bleeder is notorious for leaking. From the dealer, it comes as the entire hose, which connects at the t-stat housing, and under the manifold. Manifold itself doesn't need to be removed, just throttle body, and piece behind the throttle body.
Most people just replace the bleeder, or even install a brass fitting into the hose in place of the bleeder.
Take your engine cover off, you'll see it right away, front and center above the throttle body. Only thing to be concerned with if just replacing the fitting, is that they tend to break apart inside the hose, and you need to be careful to not allow any plastic to remain in there.