Removal And Installation

Remove the engine cover.
Disconnect the battery negative terminal.
Remove the air cleaner assembly.
(Refer to "AIR CLEANER .")
Disconnect the injector extension connector (A), the VIS (Variable intake system) connector (B) and the PCSV (Purge control solenoid valve) connector (C).

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Disconnect the ETC (Electronic throttle control) connector (A) and the MAPS (Manifold absolute pressure sensor) connector (B).
(Refer to "ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM .")
Disconnect the knock sensor connector (A).

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Disconnect the PCV (Positive crankcase ventilation) hose (A) and the PCSV (Purge control solenoid valve) hose (B).

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Disconnect the vacuum hose (A) and the water hoses (B).

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Remove the intake manifold (A) with the gasket.
Tightening torque:

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

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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 below.

Fig 1: Intake Manifold Bolts And Nuts Tightening Sequence
Courtesy of KIA MOTORS AMERICA, INC.
Install in the reverse order of removal.