Removal and Installation

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

Without battery sensor:

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

With battery sensor:

4.0 ~ 6.0N.m (0.4 ~ 0.6kgf.m, 3.0 ~ 4.4lb-ft)
Remove the air duct and the air cleaner assembly.
(Refer to ENGINE AND TRANSAXLE ASSEMBLY )
Disconnect the injector extension connector (A), the VIS (Variable intake system) connector (B) and the PCSV (Purge control solenoid valve) connector (C).

Fig 1: Identifying Injector Extension Connector, Variable Intake System Connector And Purge Control Solenoid Valve 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: Identifying Electronic Throttle Control Connector, Manifold Absolute Pressure And Intake Air Temperature Sensor Connector
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the knock sensor connector (A).

Fig 3: Identifying 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: Identifying Positive Crankcase Ventilation And Purge Control Solenoid Valve Hose
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the vacuum hose (A) and the throttle body coolant hoses (B).

Fig 5: Identifying Vacuum 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: Identifying Filler Neck Assembly Mounting Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the intake manifold (A) with the gasket (B).
Tightening torque:

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

Fig 7: Identifying 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.

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