Hyundai Sonata: Exhaust Manifold. Repair procedures - Intake And Exhaust System - Engine Mechanical System - Hyundai Sonata YF 2011-2019 Service ManualHyundai Sonata: Exhaust Manifold. Repair procedures

Removal and Installation

1.
Remove the engine cover.
2.
Disconnect the battery negative terminal.

Tightening torque
4.0 ~ 6.0N.m (0.4 ~ 0.6kgf.m, 3.0 ~ 4.4lb-ft)

3.
ULEV : Disconnect the front oxygen sensor connector (A).

SULEV : Disconnect the front oxygen sensor connector (A) and the rear oxygen sensor connector (B).

4.
Remove the front muffler (A).

Tightening torque:
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ~ 43.4 lb-ft)

5.
ULEV : Remove the exhaust manifold heat protector (A).

Tightening torque :
7.8 ~ 11.8N.m (0.8 ~ 1.2kgf.m, 5.8 ~ 8.7lb-ft)

SULEV : Using the SST (09392-2H100) (A), remove the front oxygen sensor (B) and the remove the exhaust manifold heat protector (C).

Tightening torque
Oxygen sensor:
39.2~ 49.0N.m (4.0 ~ 5.0kgf.m, 28.9 ~ 36.2lb-ft)
Heat protector bolts:
7.8 ~ 11.8N.m (0.8 ~ 1.2kgf.m, 5.8 ~ 8.7lb-ft)

6.
Remove the driveshaft heat protector (A).

7.
Remove the exhaust manifold stay (A).

Tightening torque :
M8 :18.6 ~ 27.5N.m (1.9 ~ 2.8kgf.m, 13.7 ~ 20.3lb-ft)
M10 : 51.9 ~ 57.8.m (5.3 ~ 5.9kgf.m, 38.3 ~ 42.6lb-ft)

[ULEV]

[SULEV]

8.
Remove the exhaust manifold (A) with the gasket (B).

Tightening torque
49.0 ~ 53.9N.m (5.0 ~ 5.5kgf.m, 36.2 ~ 39.7lb-ft)

[ULEV]

[SULEV]

When installing, replace with a new gasket.
When installing the intake manifold, tighten the nuts with pre-torque first, and then tighten the nuts with specified torque in the sequence shown.
[ULEV]

[SULEV]

9.
Installation is reverse order of removal.

    Exhaust Manifold. Components and Components Location
    Components [ULEV] 1. Heat protector 2. Exhaust manifold 3. Exhaust manifold gasket 4. Exhaust manifold stay [SULEV] 1. Heat protec ...

    Muffler. Components and Components Location
    Components 1. Front muffler 2. Catalytic converter & center muffler assembly 3. Main muffler 4. Gasket 5. Hanger ...

    See also:

    Air conditioning
    Press the A/C button to turn the air conditioning system on (indicator light will illuminate). Press the button again to turn the air conditioning system off. ...

    HD radio
    Listening to HD Radio Stations HD Radio Technology is a digital radio technology used by AM and FM radio station to transmit audio and data via a digital signal in conjunction with their analog ...

    Heated Oxygen Sensor (HO2S). Specifications
    Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] ...