Hyundai Ioniq: Intake and Exhaust System / Exhaust Manifold. Repair procedures

Removal and Installation

1.	Disconnect the battery negative terminal.

2.	Remove the air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner")

3.	Remove the engine room under cover. (Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")

4.	Remove the front muffler. (Refer to Intake and Exhaust System - "Muffler")

5.	Remove the engine mounting support bracket. (Refer to Engine and Transaxle Assembly - "Engine Mounting")

Disconnect the oxygen sensor connector (A) from the connector bracket and then remove the heat protector (B).

Tightening torque :

9.8 - 11.8N.m (1.0 - 1.2kgf.m, 7.2 - 8.7lb-ft)

Remove the exhaust manifold stay (A).

Tightening torque :

39.2 - 49.0 N.m (4.0 - 5.0 kgf.m, 28.9 - 36.2 lb-ft)

Remove the EGR cooler pipe A bolts (A).

Tightening torque :

18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

Remove the exhaust manifold (A).

Tightening torque :

34.3 - 39.2 N.m (3.5 - 4.0 kgf.m, 25.3 - 28.9 lb-ft)

10.

Remove the exhaust manifold gasket (A).

•	When installing, replace with new gaskets.

•	When installing the exhaust manifold, tighten the nuts with pre-torque first, and then tighten the nuts with pecified torque in the sequence shown.

11.	Install in the reverse order of removal.

C..

C..

C..

C..

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