Hyundai Ioniq (AE): Intake and Exhaust System / EGR Cooler. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Mechanical System / Intake and Exhaust System / EGR Cooler. Repair procedures

Removal and installation
1.
Disconnect the battery negative terminal.
2.
Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
3.
Loosen the drain plug, and drain the engine coolant. Remove the reservoir cap to help drain the coolant faster.
(Refer to Cooling System - "Coolant")
4.
Remove the exhaust manifold.
(Refer to Intake and Exhaust System - "Exhaust Manifold")
5.
Disconnect the EGR cooler hose (A) and EWP water hose (B).

6.
Remove the EGR cooler pipe (A).
Tightening torque :
29.4 - 34.3 N.m (3.0 - 3.5 kgf.m, 21.7 - 25.3 lb-ft)

7.
Remove the EGR cooler pipe B bolts (A).
Tightening torque :
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

8.
Remove the EGR cooler (A).
Tightening torque :
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

9.
Install in the reverse order of removal.
10.
Fill the radiator with coolant and check for leaks.
(Refer to Cooling System - "Coolant")
11.
Start engine and check for leaks.
12.
Recheck the coolant level.

    Description and Operation

    Components1. Front muffler2. GPF3. Center muffler4. Rear muffler5. Gasket6. Hanger

    Other information:

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