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Home >> Genesis >> 2022 >> GV80 3.5T Advanced+ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Intake And Exhaust System - 2.5L) >> Exhaust Manifold And Catalytic Converter >> Repair Procedures >> Removal and Installation

Removal and Installation

WARNING: This page is about a different variant/trim than selected.
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. Remove the engine wiring connectors and harness clamps around the exhaust manifold and then remove the connector brackets and wiring protector.
    G14721061Courtesy of HYUNDAI MOTOR AMERICA
  6. Disconnect the O2 sensor connector (A) from wiring bracket.
    G14721062Courtesy 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)

    G14721063Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the V-clamp and then remove the WCC (A).

    Tightening torque: 

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

    G14721064Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • If the clamp is excessively widened, the external shape may change.
  9. Remove the front cross member.

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

  10. 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)

    G14721065Courtesy of HYUNDAI MOTOR AMERICA
  11. Remove the heat protector (A).

    Tightening torque: 

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

    G14721066Courtesy of HYUNDAI MOTOR AMERICA
  12. 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)

    G14721067Courtesy of HYUNDAI MOTOR AMERICA
  13. 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)

    G14721068Courtesy of HYUNDAI MOTOR AMERICA
  14. 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)

    G14721069Courtesy of HYUNDAI MOTOR AMERICA
  15. 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)

    G14721070Courtesy of HYUNDAI MOTOR AMERICA
  16. 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)

    G14721071Courtesy of HYUNDAI MOTOR AMERICA
  17. Remove the turbocharger & exhaust manifold gasket (A).
    G14721072Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Do not reuse the turbocharger & exhaust manifold gasket.
  18. Remove the electric waste gate actuator (EWGA).

    (Refer to Engine Control/Fuel System - "ELECTRIC WASTE GATE ACTUATOR (EWGA) ")

  19. Install in the reverse order of removal
    NOTE:
    NOTE:
    • When installing the exhaust manifold, tighten the nuts with pre-torque first and then tighten the nuts with the specified torque as the sequence shown.