How do you replace PCV valve in 2005 Chevy Malibu?

To replace the PCV valve in a 2005 Chevy Malibu, first, locate the valve, which is typically found on the valve cover or intake manifold. Disconnect any hoses attached to the PCV valve and remove it by twisting or pulling it out, depending on the design. Install the new PCV valve by pushing it into place and reattaching the hoses securely. Finally, start the engine to ensure proper operation and check for any leaks.