KIA Niro: Exhaust Manifold Repair procedures

Exhaust Manifold Components and components location

Components

  1. Exhaust manifold gasket
  2. Exhaust manifold
  3. Exhaust manifold stay
  4. Heat protector

Exhaust Manifold Repair procedures

Removal and Installation

  1. Remove the engine room under cover.

    (Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")

  2. Remove the air cleaner.

    (Refer to Intake and Exhaust System - "Air Cleaner")

  3. Disconnect the front oxygen sensor (A).

  1. Remove the front muffler.

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

  2. Separate the water return & degas pipe (A).

Tightening torque : 18.6 - 23.5 N*m (1.9 - 2.4 kgf*m, 13.7 - 17.4 lb*ft)

  1. Remove the exhaust manifold stay (A).

Tightening torque : 39.2 - 49.0 N*m (4.0 - 5.0 kgf*m, 28.9 - 36.2 lb*ft)

  1. Remove the engine mounting support bracket.

(1) Install the jack to the edge of the lower oil pan to support the engine.

Warning

Warning

Insert the rubber block between jack and upper oil pan.

(2) Remove the engine mounting support bracket (A).

Tightening torque

Nut (B) :

88.3 - 107.9 N*m (9.0 - 11.0 kgf*m, 65.1 - 79.6 lb*ft)

Bolt (C) and nuts (D) :

58.8 - 73.5 N*m (6.0 - 7.5 kgf*m, 43.3 - 54.2 lb*ft)

Warning

Warning

Do not reuse the bolt C, which is special bolt coated with bond.

  1. 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)

  1. Remove the EGR cooler pipe A (A).

Tightening torque : 34.3 - 39.2 N*m (3.5 - 4.0 kgf*m, 25.3 - 28.9 lb*ft)

  1. Remove the exhaust manifold (A).

Tightening torque : 34.3 - 39.2 N*m (3.5 - 4.0 kgf*m, 25.3 - 28.9 lb*ft)

Warning

Warning

When installing the exhaust manifold, tighten the nuts to pre-torque first and then fully tighten to the specified torque in the sequence shown.

  1. Remove the exhaust manifold gasket (A).

Warning

Warning

When installing, replace with a new gasket.

  1. Install in the reverse order of removal.

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