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Kia Sorento: Muffler Repair procedures - Intake And Exhaust System - Engine Mechanical SystemKia Sorento: Muffler Repair procedures

Kia Sorento (MQ4, 2021-2026) Service Manual / Engine Mechanical System / Intake And Exhaust System / Muffler Repair procedures

Removal and Installation
Front Muffler
1.
Disconnect the battery negative ( - ) terminal.
2.
Remove the rear oxygen sensor.
(Refer to Engine Control / Fuel System - "Heated Oxygen Sensor (HO2S)")
3.
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)

Engine Mechanical System — Intake And Exhaust System / Muffler / Repair procedures / Removal and Installation illustration

4.
Remove the front muffler.
(1)
Remove the front muffler hanger (A).
Tightening torque :
30.4 - 46.1 N·m (3.1 - 4.7 kgf·m , 22.4 - 34.0 lb·ft)
(2)
Remove the front muffler (B).
Tightening torque :
40.0 - 60.0 N·m (4.1- 6.1 kgf·m, 29.5 - 44.3 lb·ft)

Engine Mechanical System — Intake And Exhaust System / Muffler / Repair procedures / Removal and Installation illustration

5.
Install in the reverse order of removal.
Note
When installing, replace with new gaskets.
Catalytic Converter & Center Muffler Assembly
1.
Remove the catalytic converter & center muffler assembly.
(1)
Remove the hanger (A).
(2)
Remove the catalytic converter & center muffler assembly (B).
Tightening torque :
40.0 - 60.0 N·m (4.1- 6.1 kgf·m, 29.5 - 44.3 lb·ft)

Engine Mechanical System — Intake And Exhaust System / Muffler / Repair procedures / Removal and Installation illustration

2.
Install in the reverse order of removal.
Note
When installing, replace with new gaskets.
Rear Muffler
1.
Remove the rear muffler.
(1)
Remove the hanger (A).
(2)
Remove the rear muffler (B).
Tightening torque :
40.0 - 60.0 N·m (4.1- 6.1 kgf·m, 29.5 - 44.3 lb·ft)

Engine Mechanical System — Intake And Exhaust System / Muffler / Repair procedures / Removal and Installation illustration

2.
Install in the reverse order of removal.
Note
When installing, replace with new gaskets.
Muffler Components and Components Location
Components 1. Front muffler2. Catalytic converter & center muffler assembly3. Rear muffler 4. Gasket5. Hanger...
Lubrication System
...
See also:

Lubricants
Item Specified lubricant Quantity Transaxle fluid ATF SP-Ⅳ or equivalent 7.8 L (2.06 U.S gal.,8.24 U.S.qt., 6.86 Imp.qt.) ...

Repair procedures
A/S Repair produres [C-MDPS] C-MDPS System A/S Workflow Noise / malfunction Inspection ...

Declaration of conformity
FCC This sophisticated electronic equipment installed in your Kia Sorento has undergone rigorous testing and proven compliance with the stringent thresholds established for a Class B digital dev ...

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