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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Intake & Exhaust System - 1.6L (Except HEV)) >> Intake Manifold >> Repair Procedures >> Removal and Installation

Removal and Installation

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  1. Remove the engine cover.
  2. Disconnect the battery negative terminal.
  3. Disconnect the engine wiring connector and harness clamp and disconnect the wiring from intake manifold.
    Fig 1: Engine Wiring Connector And Harness Clamp
    G11986996Courtesy of HYUNDAI MOTOR AMERICA
  4. Disconnect the PCV (Positive crankcase ventilation) hose (A) and the PCSV (Purge control solenoid valve) (B).
    Fig 2: Locating Positive Crankcase Ventilation Hose And Purge Control Solenoid Valve
    G11986997Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the intercooler outlet hose (A).

    Tightening torque: 

    4.9 ~ 6.8 N.m (0.5 ~ 0.7 kgf.m, 3.6 ~ 5.0 lb-ft)

    Fig 3: Locating Intercooler Outlet Hose
    G11986998Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the installation bolts, and then remove the ETC module (A) from the engine.

    Electronic throttle body Installation bolt: 

    7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.7 ~ 7.2 lb-ft)

    Fig 4: Locating ETC Module With Mounting Bolts
    G11986999Courtesy of HYUNDAI MOTOR AMERICA
  7. Disconnect the vacuum hose (A).
    Fig 5: Locating Vacuum Hose
    G11987000Courtesy of HYUNDAI MOTOR AMERICA
  8. 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)

    Fig 6: Locating Intake Manifold With Mounting Bolts
    G11987001Courtesy 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 7: Intake Manifold Bolts And Nuts Tightening Sequence
    G11987002Courtesy of HYUNDAI MOTOR AMERICA
  9. Install in the reverse order of removal.