Hyundai Genesis (DH): Intake And Exhaust System / Exhaust Manifold Repair procedures

Hyundai Genesis (DH) 2013-2016 Service Manual / Engine Mechanical System / Intake And Exhaust System / Exhaust Manifold Repair procedures

Removal and Installation
LH Exhaust Manifold
1.
Disconnect the battery "-" terminal from the trunk room.
2.
Loosen the drain plug and drain the engine coolant.
(Refer to Cooling System - "Coolant")
3.
Remove the water outlet pipe.
(Refer to Cooling System - "Water Temperature Control Assembly")
4.
Remove the LH front muffler.
(Refer to Intake And Exhaust System - "Muffler")
5.
Remove the engine oil level gauge and the pipe.
6.
Disconnect the LH front oxygen sensor connector (A).

7.
Remove the LH exhaust manifold stay (A).
Tightening torque :
34.3 ~ 41.2 N.m (3.5 ~ 4.2 kgf.m, 25.3 ~ 30.4 Ib-ft)

8.
Remove the LH exhaust manifold assembly (A).
Tightening torque :
49.0 ~ 53.9 N.m (5.0 ~ 5.5 kgf.m, 36.1 ~ 39.8 Ib-ft)

9.
To install, reverse the removal procedure.
   
When installing the exhaust manifold, tighten the nuts in the sequence shown below.

RH Exhaust Manifold
1.
Disconnect the battery "-" terminal from the trunk room.
2.
Loosen the drain plug and drain the engine coolant.
(Refer to Cooling System - "Coolant")
3.
Remove the air cleaner assembly.
(Refer to Intake And Exhaust System - "Air Cleaner")
4.
Remove the water inlet pipe.
(Refer to Cooling System - "Water Temperature Control Assembly")
5.
Remove the RH front muffler.
(Refer to Intake And Exhaust System - "Muffler")
6.
Disconnect the RH front oxygen sensor connector (A).

7.
Remove the RH exhaust manifold stay (A).
Tightening torque :
34.3 ~ 41.2 N.m (3.5 ~ 4.2 kgf.m, 25.3 ~ 30.4 Ib-ft)

8.
Remove the RH exhaust manifold assembly (A).
Tightening torque :
49.0 ~ 53.9 N.m (5.0 ~ 5.5 kgf.m, 36.1 ~ 39.8 Ib-ft)

9.
To install, reverse the removal procedure.
   
When installing the exhaust manifold, tighten the nuts in the sequence shown below.

    Components 1. LH Gasket2. LH Exhaust manifold3. RH Exhaust manifold stay4. RH Gasket5. RH Exhaust manifold6. RH Exhaust manifold stay

    Components 1. Front muffler2. Center muffler3. Rear muffler4. Hanger5. Gasket

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