Turn the ignition switch OFF and disconnect the battery (-) cable.
Remvoe the air cleaner assembly.
<a href="content.asp?vehicletype=Passenger&mfrcode=KM&area=KME&langcode=ENG&modelid=JD12&modelyr=2013&mmctype=en&mmcid=349&group=SHOP&pdftype=&cat1=2013+%3E+D+1%2E4+TCI%2DU2&ec=&firstnodedesc=Engine+Mechanical+System&sitinfolist=12%5E1235%5E12350100%5Enone%5E801%5E1%5EENG%5EKM%5EJD12%5E2013%5Een%5E348%5Enone%5Enone%5Enone%5ESHOP%5E%24" target="_blank">(Refer to Engine Mechanical System - "Air Cleaner")</a>
Disconnect the air control valve connector (A).
Disconnect the air intake hose (B) after removing the clamp from the air control valve.
Remove the installation bolts, and then remove the air control valve (C).