Detach the cable from the negative terminal of the battery. Detach the flexible ambient air duct from the air filter box snorkel. Remove the wing nut from the cover and remove the cover and filter element. Inspect the element for contamination by dirt and moisture. Replace it if necessary. Clearly label, then detach, all hoses from the air filter box. Remove the air filter box assembly. Installation is the reverse of removal. Detach the cable from the negative battery terminal. Loosen the hose clamp at one end and remove the three attaching screws at the other end of the flexible air duct between the air filter box and the 
Throttle Body. Remove the duct. Clearly label, then detach, all vacuum hoses from the air filter box. Detach the heat riser tube from the air filter box. Remove the upper half of the air filter box lid, then remove the air filter element. Remove the two bolts and one nut from the floor of the air filter box. Remove the box. Installation is the reverse of removal.