Removal and Installation

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

4.0 ~ 6.0 N.m (0.4 ~ 0.6 kgf.m, 3.0 ~ 4.4 lb-ft)
Disconnect the wiring connectors and harness clamps, and then remove the wiring and protectors from the intake manifold.
1. The intake OCV (Oil control valve) connector (A)
  
  Fig 1: Identifying Intake OCV Connector
  Courtesy of HYUNDAI MOTOR CO.
2. The alternator connector (A)
  
  Fig 2: Identifying Alternator Connector
  Courtesy of HYUNDAI MOTOR CO.
3. The VIS (Variable Intake System) connector (A)
  
  Fig 3: Identifying VIS Connector
  Courtesy of HYUNDAI MOTOR CO.
4. The MAPS (Manifold absolute pressure sensor) & IATS (Intake air temperature sensor) connector (A)
  
  Fig 4: Identifying MAPS & IATS Connector
  Courtesy of HYUNDAI MOTOR CO.
5. The ETC (Electronic throttle control) connector (A)
  
  Fig 5: Identifying ETC Connector
  Courtesy of HYUNDAI MOTOR CO.
6. The VCMA (Variable charge motion actuator) connector (A)
  
  Fig 6: Identifying VCMA Connector
  Courtesy of HYUNDAI MOTOR CO.
Disconnect the PCV (Positive crankcase ventilation) hose (A).

Fig 7: Identifying PCV Connector
Courtesy of HYUNDAI MOTOR CO.
Disconnect the vacuum hose (A) and PCSV (Purge control solenoid valve) hose (B).

Fig 8: Identifying Vacuum Hose
Courtesy of HYUNDAI MOTOR CO.
Unfasten the ETC (Electric throttle body control) module bolts (A). (Refer to Fig 9 )
Tightening torque:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 9: Identifying ETC Module Bolts
Courtesy of HYUNDAI MOTOR CO.
Remove the intake manifold stay (A).
Tightening torque:

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

Fig 10: Identifying Intake Manifold Stay
Courtesy of HYUNDAI MOTOR CO.
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 11: Identifying Intake Manifold
Courtesy of HYUNDAI MOTOR CO.

NOTE: 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.

Fig 12: Intake Manifold Bolt Tightening Sequence
Courtesy of HYUNDAI MOTOR CO.
Installation is reverse order of removal.
NOTE: When installing, replace with new gaskets.