| Description |
The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx).
Catalytic Converter (WCC)

| Removal |
| 1. |
Remove the engine cover. (Refer to Engine Mechanical System - "Engine Cover") |
| 2. |
Disconnect the negative battery terminal. |
| 3. |
Remove the engine room front under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover") |
| 4. |
Drain the coolant. (Refer to Engine Mechanical System - "Coolant") |
| 5. |
Remove the air intake hose. (Refer to Engine Mechanical System - "Air Cleaner") |
| 6. |
Disconnect the recirculation valve connector (A) and the vacuum hose (B).
|
| 7. |
Remove the intercooler inlet hose & pipe assembly (A).
|
| 8. |
Remove the turbocharger inlet hose (A).
|
| 9. |
Remove the heat protector (A).
|
| 10. |
Remove the heated oxygen sensor. (Refer to Engine Control / Fuel System - " Heated Oxygen Sensor ( HO2S)") |
| 11. |
Remove the warm-up catalytic converter (WCC) heat protector (A).
|
| 12. |
Remove the front muffler. (Refer to Engine Mechanical System - "Muffler") |
| 13. |
Remove the warm-up catalytic converter (WCC) stay (A).
|
| 14. |
Remove the RH hood sealing cover (A).
|
| 15. |
Disconnect the heater hose (A).
|
| 16. |
Remove the warm-up catalytic converter (WCC) (A) and gasket.
|
| Installation |
| 1. |
Install in the reverse order of removal. |
Kia Stinger (CK) 2018-2023 Service Manual: Oil Pan
Repair procedures Removal 1. Remove the engine room front under cover and side cover. (Refer to Engine and Transmission Assembly - "Engine Room Under Cover") 2. Drain the engine oil. (Refer to Lubrication System - "Engine Oil") 3. Remove the engine mounting support bracket nut (A).Kia Stinger (CK) 2018-2023 Service Manual: Engine And Transmission Assembly
Repair procedures Removal and Installation • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.