Kia Optima: Intake And Exhaust System / Muffler
Components and components location

1. Front muffler
2. Catalytic converter & Center muffler assembly
3. Rear muffler
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4. Gasket
5. Hanger
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Repair procedures
Front Muffler
1. |
Disconnect the battery negative terminal.
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2. |
Remove the engine cover.
(Refer to Engine and Transaxle Assembly - "Engine Cover")
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3. |
Disconnect the oxygen sensor connector (A) and then separate from bracket..

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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)
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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)
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(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)
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6. |
Install in the reverse order of removal.
When installing, replace with new gaskets.
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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)
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2. |
Remove the catalytic converter & center muffler assembly.
(1) |
Remove the catalytic converter & center muffler assembly hanger.
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(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)
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3. |
Install in the reverse order of removal.
When installing, replace with new gaskets.
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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)
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2. |
Install in the reverse order of removal.
When installing, replace with new gaskets.
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Components and components location
Components
1. Heat protector
2. Exhaust manifold gasket
3. Exhaust manifold
4. Exhaust manifold stay
Repair p ...
Flow diagram
Engine Oil Schemetics
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Other information:
Repair procedures
Removal
1.
Align the steering wheel so that the front wheels to facing straight
ahead.
If the steering wheel and the front tires does not synchronize
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With the ignition switch in the ON position, pressing the heated steering wheel
button warms the steering wheel. The indicator on the button will illuminate.
To turn the heated steering wheel off, press the button once again. The indicator
on the button will turn off.
WARNING
If the steerin ...