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Home >> Kia >> 2023 >> Sorento X-Line EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Intake And Exhaust System - 2.5L (VIN C) (Except HEV)) >> 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 battery negative (-) terminal.
  2. Remove the engine cover.

    (Refer to Engine And Transaxle Assembly - "ENGINE COVER ")

  3. Remove the engine room under cover.

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

  4. Remove the front muffler.

    (Refer to 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.

    Tightening torque: 

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

    G13660778Courtesy of KIA MOTORS AMERICA, INC.
    G13660779Courtesy of KIA MOTORS AMERICA, INC.
  6. Separate the oxygen sensor connector (A) from the wiring bracket.
    G13660780Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the EGR cooler pipe A (A).

    Tightening torque: 

    Bolt: 29.4 - 34.3 N.m (3.0 - 3.5 kgf.m, 21.7 - 25.3 lb.ft)

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

    G13660781Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the exhaust manifold stay (A).

    Tightening torque 

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

    Bolt C: 52.0 - 57.9 N.m (5.3 - 5.9 kgf.m, 38.3 - 42.7 lb.ft)

    G13660782Courtesy of KIA MOTORS AMERICA, INC.
    G13660783Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the exhaust manifold (A) with the gasket.

    Tightening torque: 

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

    G13660784Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: Do not reuse the exhaust manifold gasket.
  10. Install in the reverse order of removal
    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.
    Fig 1: Exhaust Manifold Nuts Tightening Sequence
    G13660785Courtesy of KIA MOTORS AMERICA, INC.