Kia Picanto: Exhaust Emission Control System / Catalytic Converter

Kia Picanto JA 2017-2024 Service & Repair 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).

Repair procedures
Removal
[WCC]
1.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
2.
Drain the engine coolant.
(Refer to Engine Mechanical System - "Coolant")
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 electric waste gate actuator (EWGA) extension connector (A).

6.
Remove the front oxygen sensor.
(Refer to Engine Control / Fuel System - "Heated Oxygen Sensor (HO2S)")
7.
Disconnect the water hose (A).

8.
Disconnect the turbo charger water drain pipe hose (A).

9.
Remove the coupler heat protector (A) and water drain pipe (B)
Tightening torque
Heat protector mounting bolt :
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)
(If equipped with a cap, tighten it until the cap is removed.)
Eye bolt :
26.4 - 32.3 N·m (2.7 - 3.3 kgf·m, 19.5 - 32.3 lb·ft)Pipe mounting
Bolt :
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

10.
Remove the exhaust manifold stay (A).
Tightening torque :
39.2 - 44.1 N·m (4.0 - 4.5 kgf·m, 28.9 - 32.5 lb·ft)

11.
Remove the warm-up catalytic converter (WCC) upper stay (A) and then remove the warm-up catalytic converter (WCC) (B).
Tightening torque
Warm-up catalytic converter (WCC) :
49.0 - 53.9 N·m (5.0 - 5.5 kgf·m, 36.1 - 39.7 lb·ft)
Warm-up catalytic converter (WCC) upper stay :
18.6 - 23.5 N·m (1.9 - 2.4 kgf·m, 13.7 - 17.4 lb·ft)

Installation
1.
Install in the reverse order of removal.
GPF (Gasoline Particulate Filter)
Description and operation Description The Gasoline Particulate Filter (GPF) system prevents Particulate Matter (PM) from being discharged to the atmosphere and consists of a filter assembl ...

CVVT (Continuous 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 valves in accordance with the ECM contro ...

Other information:

Kia Picanto JA 2017-2024 Owner's Manual: Checking the amount of air conditioner refrigerant and compressor lubricant


When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a bad influence on the air conditioning system. Therefore, if abnormal operation is found, have the system inspected by a professional workshop. Kia recommends to visit an aut ...

Kia Picanto JA 2017-2024 Owner's Manual: Highway driving


Tires Adjust the tire inflation pressures to specification. Low tire inflation pressures will result in overheating and possible failure of the tires. Avoid using worn or damaged tires which may result in reduced traction or tire failure. NOTICE Never exceed the maximum tire inflatio ...

Copyright © www.kpicanto.com 2017-2024