Kia Optima: Muffler > Repair procedures - Intake And Exhaust System - Engine Mechanical System - Kia Optima TF 2011-2025 Service ManualKia Optima: Muffler > Repair procedures

Removal and Installation

1. Remove the front muffler (B) after disconnecting the oxygen sensor connector (A).

Tightening torque:

39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)


2. Remove the catalytic converter & center muffler assembly (B) after disconnecting the oxygen sensor connector (A).

Tightening torque:

39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)


3. Remove the main muffler (A).

Tightening torque:

39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)


4. Installation is the reverse order of removal.
When installing, replace with new gaskets.
Muffler. Components and Components Location
Components   1. Front muffler 2. Catalytic converter & center muffler assembly 3. Main muffler 4. Gasket 5. Hanger ...

Engine Electrical System
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See also:

26 Brake Control Solenoid Valve(26/B_VFS). Specifications
Specifications Direct control VFS[26/B]▷ Control type : Normal low type Control Pressure kpa(kgf/cm², psi) 9.81~500.14(0.1~5.1, 1.42~72.54) Curren ...

Vanity mirror lamp
Push the switch to turn the light on or off. : The lamp will turn on if this button is pressed. : The lamp will turn off if this button is pressed. CAUTION - Vanity mirror lamp (if equippe ...

Starting the Engine
1. Make sure the parking brake is applied. 2. Manual Transmission - Depress the clutch pedal fully and shift the transmission into Neutral. Keep the clutch pedal depressed while turning the ignitio ...

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