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: Turn signals and lane change signals


The ignition switch must be on for the turn signals to function. To turn on the turn signals, move the lever up or down (A). The green arrow indicators on the instrument panel indicate which turn signal is operating. They will self-cancel after a turn is completed. If the indicator continues ...

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


Repair procedures Tire Wear    • Using tires and wheels other than the recommended sizes can cause unusual handling characteristics and poor vehicle control, resulting in a serious a ...

Copyright © www.kioptima.com 2017-2022