KIA Niro: Muffler Repair procedures

Muffler Components and components location

Components

1. Front muffler
2. GPF
3. Center muffler
4. Rear muffler
5. Gasket
6. Rubber hanger

Muffler Repair procedures

Removal and
Installation

Front Muffler

1. Disconnect the heated oxygen sensor connector (A) and then remove it from the bracket.

2. Remove the under cover (A).

Tightening torque : 7.8 - 9.8 N*m (0.8 - 1.0 kgf*m, 5.8 - 7.2 lb*ft)

3. Detach the rubber hanger (A) from the front muffler.
4. Remove the front muffler (B).

Tightening torque : 39.2 - 58.8 N*m (4.0 - 6.0 kgf*m, 28.9 - 43.4 lb*ft)

5. Install in the revere order of removal.

Warning

When installing, replace with new gaskets.

GPF

1. Disconnect the battery negative terminal.

   2. Remove the exhaust gas temperature sensor (EGTS) #1,#2.

   (Refer to Engine Control / Fuel System - "Exhaust Gas Temperature Sensor (EGTS)") 3. Remove the GPF (A).

Tightening torque : 39.2 - 58.8 N*m (4.0 - 6.0 kgf*m, 28.9 - 43.4 lb*ft)

4. Install in the revere order of removal.

Warning

When installing, replace with new gaskets.

Center Muffler

1. Remove the center muffler (A).

Tightening torque : 39.2 - 58.8 N*m (4.0 - 6.0 kgf*m, 28.9 - 43.4 lb*ft)

2. Install in the reverse order of removal.

Warning

When installing, replace with new gaskets.

Rear Muffler

1. Detach the rubber hanger (A) from rear muffler.
2. Remove the rear muffler (B).

Tightening torque : 39.2 - 58.8 N*m (4.0 - 6.0 kgf*m, 28.9 - 43.4 lb*ft)

3. Install in the reverse order of removal.

Warning

When installing, replace with new gaskets.

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