Hyundai Ioniq: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve. Description and operation

Repair procedures

Inspection1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose.3. Run the engine at idle, then put a finger over the open end of the PCV valve and make sure that intake manifold vacuum can be felt...

Positive Crankcase Ventilation (PCV) Valve. Repair procedures

Removal1. Disconnect the vapor hose (A).2. Remove the PCV valve (B).Inspection1.Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Pre-Charge Resistor. Repair procedures

Removal1.Shut off the high voltage.(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")2.Remove the rear seat cushion.(Refer to Body - "Rear Seat Assembly")3.Remove the rear door scuff trim.(Refer to Body - "Door Scuff Trim")4.Remove the upper frame (A) after loosening the mounting bolts and nuts...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Power Relay Assembly (PRA). Repair procedures

Removal    • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...