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Home >> Kia >> 2021 >> Seltos S, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Intake And Exhaust System - 1.6L) >> Exhaust Manifold And Catalytic Converter >> Repair Procedures >> Removal And Installation

Removal And Installation

WARNING: This page is about a different variant/trim than selected.
  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. Loosen the drain plug and drain the coolant.

    (Refer to Cooling System - "COOLANT ")

  5. Remove the air duct and air cleaner assembly.

    (Refer to Intake and Exhaust System - "AIR CLEANER ")

  6. Remove the battery.

    (Refer to Engine Electrical System - "BATTERY ")

  7. Remove the engine control module (ECM).

    (Refer to Engine Control/Fuel System - "ENGINE CONTROL MODULE (ECM) ")

  8. Remove the front muffler.

    (Refer to Intake and Exhaust System - "MUFFLER ")

  9. Remove the intercooler inlet hose and pipe.
    1. Remove the intercooler inlet hose (A).

      Tightening torque: 

      4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb.ft, 43.3 - 60.7 lb.in)

      G13480313Courtesy of KIA MOTORS AMERICA, INC.
      NOTE:
      • It is allowed to plaster cleaning liquid or alcohol on the connecting surfaces of hose and pipe, but all kinds of oil is prohibited.
      • The groove of hose must be in line with the protrusion of the pipe or turbocharger.
      • The band must be located on the position mark of hose and must not run over it.
      • Tighten the torque control cap until it separated. If a torque control cap has already removed, tighten the screw at the specified torque.
    2. Disconnect the intercooler inlet hose (A) from the turbocharger and remove the intercooler inlet pipe (B).

      Tightening torque 

      Clamp: 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb.ft, 43.3 - 60.7 lb.in)

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

    G13480314Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • It is allowed to plaster cleaning liquid or alcohol on the connecting surfaces of hose and pipe, but all kinds of oil is prohibited.
    • The marking of hose must be in line with the stopper of the throttle body.
    • The band must be located on the position mark of hose and must not run over it.
    • Tighten the torque control cap until it separated. If a torque control cap has already removed, tighten the screw at the specified torque.
  10. Disconnect the electric WGT control actuator (EWGA) connector (A).
    G13480315Courtesy of KIA MOTORS AMERICA, INC.
  11. Disconnect the turbocharger water hoses (A).
    G13480316Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the turbocharger water pipe (A).

    Tightening torque 

    Flange Bolt:

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

    Eye Bolt:

    26.4 - 32.3 N.m (2.7 - 3.3 kgf.m, 19.5 - 32.3 lb.ft)

    G13480317Courtesy of KIA MOTORS AMERICA, INC.
  13. Disconnect the front oxygen sensor connector (A).
    G13480318Courtesy of KIA MOTORS AMERICA, INC.
  14. Remove the warm-up catalytic converter (WCC) stay A (A).

    Tightening torque: 

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

    G13480319Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the turbocharger oil drain pipe (A).

    Tightening torque: 

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

    G13480320Courtesy of KIA MOTORS AMERICA, INC.
  16. Remove the warm-up catalytic converter (WCC) stay B (A).

    Tightening torque: 

    49.0 - 53.9 N.m (5.0 - 5.5 kgf.m, 36.1 - 39.7 lb.ft)

    G13480321Courtesy of KIA MOTORS AMERICA, INC.
  17. 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)

    G13480322Courtesy of KIA MOTORS AMERICA, INC.
  18. Remove the turbocharger oil feed pipe (A).

    Tightening torque 

    M8 Bolt: 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    Eye Bolt: 11.8 - 17.7 N.m (1.2 - 1.8 kgf.m, 8.7 - 13.0 lb.ft)

    G13480323Courtesy of KIA MOTORS AMERICA, INC.
  19. Remove the turbo manifold module heat protector (A).

    Tightening torque: 

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

    G13480324Courtesy of KIA MOTORS AMERICA, INC.
  20. Remove the engine mounting support bracket.

    (Refer to Engine and Transaxle Assembly - "ENGINE MOUNTING ")

  21. Remove the turbo manifold module (A).

    Tightening torque: 

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

    G13480325Courtesy of KIA MOTORS AMERICA, INC.
  22. Remove the turbo manifold module gasket (A).
    G13480326Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • When installing, you should assemble it toward the coating side (black).
    • When installing, temporarily tighten the nut in picture order and completely tighten the bolt as specified torque in order.
    Fig 1: Exhaust Manifold, Nuts And Bolts Tightening Sequence
    G13480327Courtesy of KIA MOTORS AMERICA, INC.
  23. Install in the reverse order of removal.
NOTE:
  • When installing, replace with a new gasket.
  • If the oil feed pipe and hose is damaged, the turbocharger could be damaged because turbocharger oil supply is not good. Be careful to not crush.
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