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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Intake And Exhaust System - 1.6L (Except HEV)) >> Exhaust Manifold And Catalytic Converter >> Repair Procedures >> Removal And Installation

Removal And Installation

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  1. Disconnect the battery negative terminal.

    Tightening torque: 

    3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 Ib-ft)

    G14524546Courtesy of HYUNDAI MOTOR AMERICA
  2. Remove the engine cover.
    G14524547Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the air duct (A).
    G14524548Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the air cleaner assembly.
    1. Disconnect the RCV hose (A).
    2. Disconnect the breather hose (B).
    3. Disconnect the intake air hose (C).
    4. Disconnect the air flow sensor (AFS) connector (D).
    5. Remove the air cleaner assembly (E).

      Tightening torque: 

      Hose Clamp: 2.9 - 4.9 N.m (0.3 - 0.5 kgf.m, 2.2 - 3.6 lb-ft)

      Air Cleaner Assembly: 3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 Ib-ft)

      G14524549Courtesy of HYUNDAI MOTOR AMERICA
      NOTE:
      • When install the intake hose, match the alignment marks (A).
        G14524550Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the battery.
    1. Open the "+" cable cover (A).
      G14524551Courtesy of HYUNDAI MOTOR AMERICA
    2. Loosen the "+" cable mounting nut (B).

      Tightening torque: 

      7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 lb-ft)

      G14524552Courtesy of HYUNDAI MOTOR AMERICA
    3. Remove the battery mounting bracket (C), and then remove the battery.

      Tightening torque: 

      18.6 - 29.4 N.m (1.9 - 3.0 kgf.m, 13.7 - 21.7 lb-ft)

      G14524553Courtesy of HYUNDAI MOTOR AMERICA
  6. Disconnect the ECM connector (A).
    G14524554Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the ECM & battery tray (A).

    Tightening torque: 

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

    G14524555Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the intercooler inlet hoses & pipe.
    1. Disconnect the main wiring (A), connector (B) from intercooler inlet pipe.
      G14524556Courtesy of HYUNDAI MOTOR AMERICA
    2. Remove the intercooler inlet hose & pipe (C).

      Tightening torque: 

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

      Clamp Bolt: 4.9 - 6.9 N.m 0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft)

      G14524557Courtesy of HYUNDAI MOTOR AMERICA
  9. Loosen the drain plug, and drain the coolant.

    (Refer to Cooling System - "COOLANT ")

  10. Disconnect the reservoir tank hose (A).
    G14524558Courtesy of HYUNDAI MOTOR AMERICA
  11. Disconnect the turbo charger outlet hose (A).
    G14524559Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the warm up catalytic converter (WCC) upper stay bracket (A).

    Tightening torque: 

    49.1 - 54.0 N.m (5.0 - 5.5 kgf.m, 36.2 - 39.8 lb-ft)

    G14524560Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, temporarily tighten the nut in picture order.
      Fig 1: Warm Up Catalytic Converter (WCC) Upper Stay Bracket Nuts Tightening Sequence
      G14524561Courtesy of HYUNDAI MOTOR AMERICA
  13. Remove the front muffler.

    (Refer to Intake and Exhaust Manifold - "FRONT MUFFLER ")

  14. Remove the warm up catalytic converter (WCC) lower stay bracket (A).

    Tightening torque: 

    49.1 - 54.0 N.m (5.0 - 5.5 kgf.m, 36.2 - 39.8 lb-ft)

    G14524562Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, temporarily tighten the nut in picture order.
      Fig 2: Warm Up Catalytic Converter (WCC) Lower Stay Bracket Nuts Tightening Sequence
      G14524563Courtesy of HYUNDAI MOTOR AMERICA
  15. Remove the EGR cooler pipe mounting bolt (A).

    Tightening torque: 

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

    G14524564Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, replace with a new gasket.
  16. Remove the warm up catalytic converter (WCC) (A).

    Tightening torque: 

    35.3 - 41.2 N.m (3.6 - 4.2 kgf.m, 26.0 - 30.4 lb-ft)

    G14524565Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, replace with a new gasket.
  17. Disconnect the turbo charger outlet hose (A), and then remove the water pipe (B).

    Tightening torque: 

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

    G14524566Courtesy of HYUNDAI MOTOR AMERICA
  18. Remove the turbo charger inlet hose & pipe (A).
    G14524567Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, replace with a new gasket.
  19. Remove the turbo charger oil drain pipe (A).

    Tightening torque: 

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

    G14524568Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, replace with a new gasket.
  20. Remove the turbo charger heat protect (A).

    Tightening torque: 

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

    G14524569Courtesy of HYUNDAI MOTOR AMERICA
  21. Remove the turbo charger oil feed pipe (A).

    Tightening torque: 

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

    Oil feed pipe bracket bolt: 18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

    G14524570Courtesy of HYUNDAI MOTOR AMERICA
    G14524571Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, replace with a new gasket.
  22. Remove the differential Pressure hose mounting bolt (A).

    Tightening torque: 

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

    G14524572Courtesy of HYUNDAI MOTOR AMERICA
  23. Disconnect the Differential Pressure hose (A) and breather hose (B).
    G14524573Courtesy of HYUNDAI MOTOR AMERICA
  24. Disconnect the EGR hose (A).
    G14524574Courtesy of HYUNDAI MOTOR AMERICA
  25. Remove the turbo charger heat protectors (A).

    Tightening torque: 

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

    G14524575Courtesy of HYUNDAI MOTOR AMERICA
  26. Remove the exhaust manifold & turbo charger (A).

    Tightening torque: 

    49.1 - 54.0 N.m (5.0 - 5.5 kgf.m, 36.2 - 39.8 lb-ft)

    G14524576Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, replace with a new gasket.
    CAUTION:
    • When installing the exhaust manifold tighten the nuts with specified torque in the sequence shown.
      Fig 3: Exhaust Manifold Nuts Tightening Sequence
      G14524577Courtesy of HYUNDAI MOTOR AMERICA
  27. Install in the reverse order of removal.