Kia Optima: Intake And Exhaust System / Muffler

Kia Optima DL3 2019-2020 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 2019-2020 Owner's Manual: Lower Anchors and Tether for Children (LATCH) System


The LATCH system holds a child restraint during driving and in an accident. This system is designed to make installation of the child restraint easier and reduce the possibility of improperly installing your child restraint. The LATCH system uses anchors in the vehicle and attachments on the c ...

Kia Optima DL3 2019-2020 Service and Repair Manual: Rear Package Tray Trim


Components and components location Component Location 1. Rear package tray trim Repair procedures Replacement Rear package tray trim    • When r ...

Copyright © www.kioptima.com 2017-2020