Removal and Installation

Remove the engine cover.
Disconnect the battery negative terminal.
Remove the air cleaner assembly.
(Refer to Intake And Exhaust System - "AIR CLEANER ")
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, 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) connector (B).
(Refer to Engine Control/Fuel System - "ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM ")
Disconnect the knock sensor connector (A).

Fig 2: 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 3: Locating Positive Crankcase Ventilation Hose And Purge Control Solenoid Valve Hose
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the vacuum hose (A) and the water hoses (B).

Fig 4: Locating Vacuum Hose And Water Hoses
Courtesy of KIA MOTORS AMERICA, INC.
Remove the intake manifold (A) with the gasket.
Tightening torque :

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

Fig 5: 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.

Fig 6: Intake Manifold Bolts And Nuts Tightening Sequence
Courtesy of KIA MOTORS AMERICA, INC.
Install in the reverse order of removal.