Kia Optima: Intake And Exhaust System / Muffler

Kia Optima DL3 2019-2022 Service and Repair Manual / Engine Mechanical System / Intake And Exhaust System / Muffler

Components and components location
Components

1. Front muffler
2. Catalytic converter & Center muffler assembly
3. Rear muffler
4. Gasket
5. Hanger

Repair procedures
Removal and Installation

Front Muffler

1.

Disconnect the battery negative terminal.

2.

Remove the engine cover.

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

3.

Disconnect the oxygen sensor connector (A) and then separate from bracket..

4.

Remove the front muffler heat protector (A).

Tightening torque :

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

5.

Remove the front muffler.

(1)

Remove the front muffler hanger bracket (A).

Tightening torque :

29.4 - 39.2 N•m (3.0 - 4.0 kgf•m , 21.7 - 28.9 lb•ft)

(2)

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)

6.

Install in the reverse order of removal.

  

When installing, replace with new gaskets.

Catalytic Converter & Center Muffler Assembly

1.

Remove the front muffler heat protector (A).

Tightening torque :

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

2.

Remove the catalytic converter & center muffler assembly.

(1)

Remove the catalytic converter & center muffler assembly hanger.

(2)

Remove the catalytic converter & center muffler assembly (A).

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.

  

When installing, replace with new gaskets.

Rear Muffler

1.

Remove the rear 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.

  

When installing, replace with new gaskets.

Exhaust Manifold
Components and components location Components 1. Heat protector 2. Exhaust manifold gasket 3. Exhaust manifold 4. Exhaust manifold stay Repair p ...

Lubrication System
Flow diagram Engine Oil Schemetics ...

Other information:

Kia Optima DL3 2019-2022 Owner's Manual: Electric Power Steering (EPS) Warning Light, Malfunction Indicator Lamp (MIL)


Electric Power Steering (EPS) Warning Light This warning light illuminates: When the ignition is moved to ON, the warning light illuminates for about 3 seconds and turns off automatically if no problem. When the warning light illuminates while driving, it indicates that there is a pro ...

Kia Optima DL3 2019-2022 Service and Repair Manual: Fluid


Repair procedures Inspection Automatic Transaxle Fluid (ATF) Level Check    When checking the ATF level, be careful not to allow foreign substance (like dust) to enter through the filler hole. 1 ...

Copyright © www.kioptima.com 2017-2022