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Home >> Genesis >> 2024 >> GV70 2.5T >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Intake And Exhaust System - 2.5L >> Exhaust Manifold And Catalytic Converter >> Removal And Installation

Removal And Installation

CAUTION:
  • To prevent scalding by the hot exhaust parts, wait until the engine cools down to room temperature.
NOTE:
  • Use fender covers to avoid damaging painted surfaces.
  • When handling the metal gasket, be careful not to fold or damage the surface.
  • To avoid damage, disconnect the wiring connectors carefully.
  • Replace all gaskets with new ones. Do not reuse.
  1. Disconnect the negative battery terminal.
  2. Remove the engine cover.

    (Refer to the Engine And Transmission Assembly - "ENGINE COVER ")

  3. Remove the engine room under cover.

    (Refer to the Engine And Transmission Assembly - "ENGINE ROOM UNDER COVER ")

  4. Remove the front muffler.

    (Refer to the Intake And Exhaust System - "MUFFLER ")

  5. Disconnect the O2 sensor connectors (A).
    G16846638Courtesy of HYUNDAI MOTOR AMERICA
  6. Disconnect the O2 sensor connectors (A) from wiring bracket.
    G16846639Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the WCC stay mounting nuts (A).

    Tightening torque:  39.2 - 44.1 N.m (4.0 - 4.5 kgf.m, 28.9 - 32.5 lb-ft)

    G16846640Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the V-clamp (A).

    Tightening torque:  13.7 - 16.7 N.m (1.4 - 1.7 kgf.m, 10.1 - 12.3 lb-ft)

    G16846641Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • If the clamp is to be stretched excessively, the shape of the clamp may change. Therefore, install it within the length of the bolt at least.
    • When installing the catalytic converter (WCC) clamp, visually verify that the guide is seated on the turbocharger and then tighten the clamp.
    G16846642Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the warm up catalytic converter (WCC) (A).
    G16846643Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • When installing, replace with a new gasket.
  10. Remove the front cross member.

    (Refer to Suspension System - "FRONT CROSS MEMBER ")

  11. Remove the RH engine mounting support bracket (A).

    Tightening torque:  49.0 - 58.8 N.m (5.0 - 6.0 kgf.m, 36.2 - 43.4 lb-ft)

    G16846644Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the RH strut bar (A).
    G16846645Courtesy of HYUNDAI MOTOR AMERICA
  13. Disconnect the front control connector (A) and wiring (B) ground (E), the transmission control module (TCM) (D), and then disconnect the wiring protector (C).

    Tightening torque:  Nut (B): 7.8 - 10.8 N.m (0.8 - 1.1 kgf.m, 5.7 - 7.9 lb.ft)

    Nut (C): 4.9 - 7.8 N.m (0.5 - 0.8 kgf.m, 3.6 - 5.7 lb.ft)

    Bolt (E): 10.8 - 13.7 N.m (1.1 - 1.4 kgf.m, 7.9 - 10.1 lb.ft)

    G16846646Courtesy of HYUNDAI MOTOR AMERICA
  14. Disconnect the engine wiring connectors and harness clamps around the turbocharger & exhaust manifold. Then, remove the connector brackets and wiring protector.
  15. Disconnect the intercooler inlet hose (A).
    G16846647Courtesy of HYUNDAI MOTOR AMERICA
  16. Disconnect the turbocharger water hose (A) and breather hose (B).
    G16846648Courtesy of HYUNDAI MOTOR AMERICA
  17. Remove the heat protector (A).

    Tightening torque:  7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

    G16846649Courtesy of HYUNDAI MOTOR AMERICA
  18. Remove the turbocharger water pipes & hoses (A).

    Tightening torque:  26.5 - 23.4 N.m (2.7 - 3.3 kgf.m, 19.5 - 23.9 lb-ft)

    G16846650Courtesy of HYUNDAI MOTOR AMERICA
  19. Remove the oil feed pipe (A).

    Tightening torque:  7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

    G16846651Courtesy of HYUNDAI MOTOR AMERICA
  20. Remove the oil drain pipe (A).

    Tightening torque:  7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

    G16846652Courtesy of HYUNDAI MOTOR AMERICA
  21. Remove the turbocharger stay (A).

    Tightening torque:  Bolts (B): 52.0 - 57.9 N.m (5.3 - 5.9 kgf.m, 38.3 - 42.7 lb-ft)

    Bolts (C): 18.6 - 27.5 N.m (1.9 - 2.8 kgf.m, 13.7 - 20.3 lb-ft)

    G16846653Courtesy of HYUNDAI MOTOR AMERICA
  22. Remove the turbocharger & exhaust manifold (A).

    Tightening torque:  49.0 - 53.9 N.m (5.0 - 5.5 kgf.m, 36.2 - 39.8 lb-ft)

    G16846654Courtesy of HYUNDAI MOTOR AMERICA
  23. Remove the turbocharger & exhaust manifold gasket (A).
    G16846655Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Do not reuse the turbocharger & exhaust manifold gasket.
  24. Loosen the eye bolt, and then remove the turbocharger oil feed pipe (A).

    Tightening torque:  Oil feed pipe eye bolt: 16.7 - 21.6 N.m (1.7 - 2.2 kgf.m, 12.3 - 15.9 lb-ft)

    Bracket bolt: 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

    G16846656Courtesy of HYUNDAI MOTOR AMERICA
  25. Remove the C-ring (A), and then remove the rod assembly (B).
    G16846657Courtesy of HYUNDAI MOTOR AMERICA
  26. Remove the electric WGT control actuator (A) after loosening the mounting bolts.
    G16846658Courtesy of HYUNDAI MOTOR AMERICA
  27. Install in the reverse order of removal.
    NOTE:
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