Brake Booster: Introduction
WARNING: This page is about a different car, the 2011 Jaguar XKR, 2011 Jaguar XK, 2010 Jaguar XKR, and 2010 Jaguar XK. However, it is still accessible from the selected car via links, so may be relevant.
Power assistance for the braking system is provided by a vacuum operated non-active brake booster. The vacuum is provided by a vacuum pump and the intake manifold, which are connected to the brake booster by plastic pipes.