Kia Stinger: Exhaust Emission Control System / Catalytic Converter
Description and operation
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
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).
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.
|
|
|
8. |
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)
|
|
9. |
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)
|
|
1. |
Install in the reverse order of removal.
|
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