Hyundai Ioniq: Cooling System / Thermostat. Components and components location

Water pump. Troubleshooting

TroubleshootingWater Pump Symptoms Possible Causes Remedy Coolant leakage• From the bleed hole of the water pumpVisually check• Check leaks after about ten-minute warming up...

Thermostat. Repair procedures

Removal and Installation    • Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Winter Precautions

Use high quality ethylene glycol coolant Your vehicle is delivered with high quality ethylene glycol coolant in the cooling system. It is the only type of coolant that should be used because it helps prevent corrosion in the cooling system, lubricates the water pump and prevents freezing...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Thermostat. Repair procedures

Removal and Installation    • Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency.1.Drain the engine coolant so its level is below thermostat.(Refer to Cooling System - "Coolant")2...