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

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Mechanical System / Intake and Exhaust System / Intake 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.
Disconnect the wiring connectors and harness clamps and remove the wiring protector around the intake manifold.

4.
Disconnect the hybrid starter generator (HSG) coolant hose and pipe (A).

5.
Disconnect the positive crankcase ventilation (PCV) hose (A).

6.
Remove the electronic throttle control (ETC) module.
(Refer to Engine Control / Fuel System - "Electronic Throttle Control (ETC)")
7.
Remove the intake manifold stay (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 pipe C bolts (A).
Tightening torque :
9.8 - 11.8N.m (1.0 - 1.2kgf.m, 7.2 - 8.7lb-ft)

9.
Remove the intake manifold (A) with the gasket.
Tightening torque :
18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft)

   
•
When installing, replace with new gaskets.
•
When installing the intake manifold, tighten the bolts and nuts with pre-torque first, and then tighten the bolts and nuts with specified torque in the sequence shown.

10.
Install in the reverse order of removal.

    Components1. Intake manifold assembly2. Intake manifold gasket3. PCV hose4. Intake manifold stay

    Components1. Exhaust manifold assembly2. Exhaust manifold gasket3. Exhaust manifold stay

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Self Diagnosis1.Self-diagnosis process.    â€¢ When operating the self-diagnostics, the below fault (self-diagnostics code) will blink at 0.5 seconds interval on the temperature display settings (driver's side only) and the remaining symbols are OFF .

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Diagnosis with GDS1.REAR CORENER RADAR system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis.2.Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.

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