Hyundai Sonata: Exhaust Manifold. Repair procedures - Intake And Exhaust System - Engine Mechanical SystemHyundai 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:

    Ambient Temperature Sensor (ATS) Specifications
    Specification Temperature[°C(°F)]Resistance(k?) -40(-40)841.2~1019.3 -20(-4)263.8~306.50(32)92.4~102.810(50)57.0~62.220(68)36.2~38.840(104)15.3~16.750(122)10.3~11.460(140)7.1~8.080(17 ...

    Components and Components Location
    Components 1. ESC Control Module (HECU) 2. Front Wheel Speed Sensor 3. Rear Wheel Speed Sensor 4. Steering Wheel Angle Sensor 5. Yaw-late & Lateral G SEnsor ...

    Repair procedures
    Inspection Check it by the procedure below to see if the function of the ECM is normal. 1. Turn the ignition key to the "ON" position. 2. ...