Removal And Installation

Disconnect the battery negative terminal (A).
Remove the engine cover (B) and the air duct (C).

Fig 1: Engine Cover, Air Duct & Battery Negative Terminal
Courtesy of KIA MOTORS AMERICA, INC.
Remove the air cleaner assembly.
1. Disconnect the breather hose (A), the brake booster vacuum hose (B) and the intensifier hose (C).
2. Disconnect the air intake hose (D) and then remove the air cleaner assembly (E).
  Tightening torque
  
  Hose clamp bolt:
  
  2.9 ~ 4.9 N.m (0.3 ~ 0.5kgf.m, 2.2 ~ 3.6 lb-ft)
  
  Air cleaner assembly bolts:
  
  7.8 ~ 9.8 N.m (0.8 ~ 1.0kgf.m, 5.8 ~ 7.2 lb-ft)
  
  Fig 2: Breather Hose, Brake Booster Vacuum Hose & Intensifier Hose
  Courtesy of KIA MOTORS AMERICA, INC.
  NOTE:
  - Install the air intake hose while the plate of the hose clamp must be in line with the stopper of the hose.
  - Install the air intake hose match groove to throttle body groove.
    
    Fig 3: Air Intake Hose In Line With Stopper
    Courtesy of KIA MOTORS AMERICA, INC.
Remove the under cover.
Tightening torque:

7.8 ~ 11.8 N.m (0.8 ~ 1.2kgf.m, 5.8 ~ 8.7 lb-ft)
Loosen the drain plug, and drain the engine coolant. Remove the radiator cap to help drain the coolant faster. Refer to COOLING SYSTEM .
Disconnect the intake OCV (Oil control valve) connector (A).

Fig 4: Intake OCV Connector
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the VIS (Variable intake system) connector (A), the OPS (Oil pressure switch) connector (B), the injector extension connector (C), the knock sensor connector (D), the alternator connector (E) and the air compressor connector (F).

Fig 5: VIS, OPS, Injector Extension, Knock, Alternator & Air Compressor Connectors
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the ETC (Electronic throttle control) connector (A) and MAPS (Manifold absolute pressure sensor) & IATS (Intake air temperature sensor) connector (B).

Fig 6: ETC, MAPS & IATS Connectors
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the PCV (Positive crankcase ventilation) hose (A).

Fig 7: PCV Hose
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the vacuum hose (A) and PCSV (Purge control solenoid valve) hose (B).

Fig 8: Vacuum Hose & PCSV Hose
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the throttle body coolant hoses (A).

Fig 9: Throttle Body Coolant Hoses
Courtesy of KIA MOTORS AMERICA, INC.
Remove the oil level gauge (A).

Fig 10: Oil Level Gauge
Courtesy of KIA MOTORS AMERICA, INC.
Remove the intake manifold stay (A).
Tightening torque:

18.6 ~ 23.5 N.m (1.9 ~ 2.4kgf.m, 13.7 ~ 17.4 lb-ft)

Fig 11: Intake Manifold Stay
Courtesy of KIA MOTORS AMERICA, INC.
Remove the intake manifold (A) with the gasket (B).
Tightening torque:

18.6 ~ 23.5 N.m (1.9 ~ 2.4kgf.m, 13.7 ~ 17.4 lb-ft)

Fig 12: Intake Manifold & Gasket
Courtesy of KIA MOTORS AMERICA, INC.

NOTE: When installing, replace with new gaskets.

When installing the intake manifold, tighten the bolts and nuts with pre-torque first, and then tighten the bolts and nuts with specified torque in the sequence shown.

Fig 13: Intake Manifold Tightening Sequence
Courtesy of KIA MOTORS AMERICA, INC.
Installation is reverse order of removal.