How do you replace the vacuum hose that runs the front vents?

To replace the vacuum hose that runs to the front vents, first, locate the hose connected to the intake manifold or vacuum source. Carefully disconnect it by loosening any clamps or clips. Next, measure and cut the new vacuum hose to the appropriate length, ensuring it fits snugly over the connection points. Finally, reattach the new hose and secure it in place, checking for any leaks by testing the vacuum system.