Kia Forte: Exhaust Emission Control System / Catalytic Converter

Kia Forte 2019-2025 (BD) 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).

[WCC]

[UCC]

Repair procedures

Removal and Installation

[WCC]

1.	Turn ignition switch OFF and disconnect the battery negative (-) terminal.

2.	Remove the engine cover. (Refer to Engine Mechanical System - "Engine Cover")

3.	Remove the air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner")

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

5.	Disconnect the front oxygen sensor connector (A).

6.	Disconnect the electric waste gate actuator (EWGA) extension connector (A).

Remove the intake pipe stay (B).

Tightening torque

M8 Bolts :

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

M10 Bolt :

29.4 - 34.3 N·m (3.0 - 3.5kgf·m, 21.6 - 25.3 lb·ft)

Remove the intake pipe(C) and gasket.

Tightening torque

Bolts :

29.4 - 39.2 N·m (3.0 - 4.0 kgf·m, 21.6 - 28.9 lb·ft)

Nut :

35.3 - 41.1 N·m (3.6 - 4.2 kgf·m, 26.0 - 30.3 lb·ft)

Remove the turbo charger water pipe & hose (A).

Tightening torque

Flange Bolt :

9.8 - 11.8N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Eye Bolt :

26.4 - 32.3 N·m (2.7 - 3.3 kgf·m, 19.5 - 32.3 lb·ft)

10.

Remove the turbo manifold module heat protector (B).

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

11.

Remove the catalytic converter (A).

Tightening torque :

35.3 - 41.1 N·m (3.6 - 4.2 kgf·m, 20.0 - 30.3 lb·ft)

[UCC]

1.	Remove the catalytic converter & center muffler. (Refer to Engine Mechanical System - "Muffler")

Installation

1.	Install in the reverse order of removal.

Exhaust Emission Control System

Description and operation Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifica ...

CVVT (Continuously Variable Valve Timing) System

Description and operation Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM con ...

Other information:

Kia Forte 2019-2025 (BD) Owners Manual: Smart cruise control will be temporarily canceled when

Cancelled manually The smart cruise control is temporarily canceled when the brake pedal is depressed or the CANCEL button is pressed. Depress the brake pedal and press the CANCEL button at the same time when the vehicle is at a standstill. The speed and vehicle to vehicle distance ...

Kia Forte 2019-2025 (BD) Owners Manual: Washer fluid

Checking the washer fluid level The reservoir is translucent so that you can check the level with a quick visual inspection. Check the fluid level in the washer fluid reservoir and add fluid if necessary. In warm climates, plain water may be used if washer fluid is not available; h ...