Hyundai Ioniq: Cooling System / Water pump. Repair procedures
1. | Loosen the drain plug, and drain the engine coolant. Remove the reservoir cap to help drain the coolant faster. (Refer to Cooling System - "Coolant") |
2. | Remove the drive belt. (Refer to Timing System - "Drive Belt") |
3. | Remove the water pump pulley (A). 
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4. | Remove the water pump (A). 
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1. | Check each part for cracks, damage or wear, and replace the water pump assembly if necessary. |
2. | Check the bearing for damage, abnormal noise and sluggish rotation, and replace the water pump assembly if necessary. |
3. | Check for coolant leakage. If coolant leaks from hole, the seal is defective. Replace the water pump assembly. •
| A small amount of "weeping" from the bleed hole is normal. |
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1. | Install the water pump (A) with the new gasket. Tightening torque : 18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft) |

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2. | Install the water pump pulley (A). Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft) |

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3. | Install the drive belt. (Refer to Timing System - "Drive Belt") |
4. | Fill the radiator with coolant and check for leaks. (Refer to Cooling System - "Coolant") |
5. | Start engine and check for leaks. |
6. | Recheck the coolant level. |
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...
Other information:
Removal and installationCooling Fan Assembly1.Disconnect the battery negative terminal.2.Remove the air cleaner assembly.(Refer to Intake and Exhaust System - "Air Cleaner")3.Disconnect the hybrid starter generator (HSG) coolant hoses (A).4.Disconnect the wire harness connector (A)...
You should exercise the utmost care to prevent damage to your vehicle and injury
to yourself whenever performing any maintenance or inspection procedures.
We recommend you have your vehicle maintained and repaired by an authorized HYUNDAI
dealer. An authorized HYUNDAI dealer meets HYUNDAI's high service quality standards
and receives technical support from HYUNDAI in order to provide you with a high
level of service satisfaction...
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WARNING
To prevent the Occupant Classification System from malfunctioning:
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