Kia Stinger CK: Exhaust Emission Control System / Catalytic Converter

Kia Stinger (CK) 2018-2023 Service Manual / Emission Control System / Exhaust Emission Control System / Catalytic Converter

Description and operation

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)

Repair procedures

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).

Remove the intercooler inlet hose & pipe assembly (A).

Tightening torque

Nuts (B) :

14,7 - 19.6 N·m (1.5 - 2.0 kgf·m, 10.8 - 14.5 lb·ft)

Nut (C) :

14.7 - 19.6 N·m (1.5 - 2.0 kgf·m, 10.8 - 14.5 lb·ft)

1)	When disconnect the intercooler inlet hose, pull out the quick connector clamp (A) in the direction of the arrow as shown below.

2)	Move the quick connector clamp from position (B) to position (C) as shown below and pull out the quick connector hose.

Remove the turbocharger inlet hose (A).

Tightening torque :

4.9 - 6.9 N·m (0.5 - 0.7 kgf·m, 3.6 - 5.1 lb·ft. 43.4 - 60.8 lb·in)

Remove the heat protector (A).

Tightening torque :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lb·ft)

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).

Tightening torque :

18.6 - 23.5 N·m (1.9 - 2.4 kgf·m, 13.7 - 17.4 lb·ft)

12.	Remove the front muffler. (Refer to Engine Mechanical System - "Muffler")

13.

Remove the warm-up catalytic converter (WCC) stay (A).

Tightening torque

Bolts (B) :

18.6 - 27.5 N·m (1.9 - 2.8 kgf·m, 13.7 - 20.3 lb·ft)

Bolts (C) :

52.0 - 57.9 N·m (5.3 - 5.9 kgf·m, 38.3 - 42.7 lb·ft)

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.

Tightening torque :

49.0 - 53.9 N·m (5.0 - 5.5 kgf·m, 36.2 - 39.7 lb·ft)

Installation

1.	Install in the reverse order of removal.

Exhaust Emission Control System

CVVT (Continuous Variable Valve Timing) System

Other information:

Kia Stinger (CK) 2018-2023 Service Manual: General Service Information

General information Identification Number Locations Protection of the Vehicle Always be sure to cover fenders, seats, and floor areas before servicing. Insert the supportive rod into the hole at the edge of the hood whenever inspecting the engine compartment to prevent the hood from falling and causing possible injury.

Kia Stinger (CK) 2018-2023 Service Manual: Suspension System

Special service tools Special Service Tools Tool Name / Number Illustration Description Engine support fixture (bar) 09200-3N000 Used for holding engine assembly when removing / installing transaxle Used with the supporter (09200-2S100) Engine support fixture (supporter) 09200-2S100 Used for holding engine assembly when removing / installin

Kia Stinger CK: Exhaust Emission Control System / Catalytic Converter

Description and operation

Repair procedures

Exhaust Emission Control System

CVVT (Continuous Variable Valve Timing) System

Other information:

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