Removal and Installation

Remove the engine cover.
Disconnect the battery negative terminal.
Tightening Torque:

Without battery sensor:

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

With battery sensor:

4.0 ~ 6.0 N.m (0.4 ~ 0.6 kgf.m, 3.0 ~ 4.4 lb-ft)
Remove the Air Duct and the Air Cleaner Assembly.
(Refer to REPAIR PROCEDURES )
Disconnect the injector extension connector (A), the VIS (Variable intake system) connector (B) and the PCSV (Purge control solenoid valve) connector (C).

Fig 1: Locating Injector Extension Connector, VIS Connector And PCSV Connector
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the ETC (Electronic throttle control) connector (A) and the MAPS (Manifold absolute pressure sensor) & IATS (Intake air temperature sensor) connector (B).

Fig 2: Locating ETC Connector, MAPS And IATS Connector
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the knock sensor connector (A).

Fig 3: Locating Knock Sensor Connector
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the PCV (Positive crankcase ventilation) hose (A) and the PCSV (Purge control solenoid valve) hose (B).

Fig 4: Locating PCV Hose And PCSV Hose
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the vacuum hose (A) and the throttle body coolant hoses (B).

Fig 5: Locating Vacuum Hose And Throttle Body Coolant Hoses
Courtesy of KIA MOTORS AMERICA, INC.
Unfasten the filler neck assembly mounting bolts (A).
Tightening Torque:

6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft)

Fig 6: Removing Filler Neck Assembly Mounting Bolts
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 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

Fig 7: Locating Intake Manifold
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 in illustration below.

Fig 8: Intake Manifold Bolts And Nuts Tightening Sequence
Courtesy of KIA MOTORS AMERICA, INC.
Installation is reverse order of removal.