Removal and Installation: Notes

Remove the engine cover.
(Refer to Engine and Transmission Assembly - "ENGINE COVER ")
Disconnect the battery negative terminal.
Remove the air duct (A).
Tightening torque :

7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb.ft)

Fig 1: Locating Air Duct With Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the air cleaner assembly.
1. Disconnect the brake booster vacuum hose (A).
  
  Fig 2: Locating Brake Booster Vacuum Hose
  Courtesy of KIA MOTORS AMERICA, INC.
2. Disconnect the RCV hose and pipe (A).
3. Disconnect the breather hose (B).
4. Disconnect the air intake hose (C).
5. Remove the air cleaner assembly (D).
  Tightening torque :
  
  7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb.ft)
Fig 3: Locating RCV Hose Or Pipe, Breather Hose, Air Intake Hose And Air Cleaner Assembly With Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Install in the reverse order of removal.