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Home › Hyundai › 2018 › Ioniq Plug-In Hybrid › Repair and Diagnosis › Engine Mechanical › Intake And Exhaust System (PHEV) › Intake Manifold › Repair Procedures › Removal And Installation

Removal And Installation

  1. Disconnect the battery negative terminal.
  2. Remove the air cleaner assembly.

    (Refer to "AIR CLEANER ")

  3. Disconnect the wiring connectors and harness clamps and remove the wiring protector around the intake manifold.
    G12725718Courtesy of HYUNDAI MOTOR AMERICA
  4. Disconnect the hybrid starter generator (HSG) coolant hose and pipe (A).
    G12725719Courtesy of HYUNDAI MOTOR AMERICA
  5. Disconnect the positive crankcase ventilation (PCV) hose (A).
    G12725720Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the electronic throttle control (ETC) module.

    (Refer to "REMOVAL ")

  7. 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)

    G12725721Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the EGR cooler pipe C bolts (A).

    Tightening torque: 

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

    G12725722Courtesy of HYUNDAI MOTOR AMERICA
  9. 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)

    G12725723Courtesy of HYUNDAI MOTOR AMERICA
    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 1: Intake Manifold Bolts And Nuts Tightening Sequence
      G12725724Courtesy of HYUNDAI MOTOR AMERICA
  10. Install in the reverse order of removal.
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