Hyundai Sonata
Technical specifications of air conditioning and 8 documented fault patterns from real workshop repairs.
Most Common A/C Problems
Air conditioning stopped cooling / no response to AC button
High Priority100%
Air conditioning stopped cooling / no response to AC button
Details
Unusual noise and metallic grinding when A/C is on
High Priority100%
Unusual noises when A/C is turned on
Details
Hissing from vents and slow loss of refrigerant
High Priority100%
No cold air from ventsDifferent temperature on both sides of the cabinWeak or no heating in winterNo blowing from vents
Details
The air conditioning does not cool and irregular operation of air conditioning
High Priority90%
Irregular A/C operationA/C does not react to control panel settings
Details
No airflow from specific vents or clicking noise behind dashboard
High Priority100%
No cold air from ventsProblem appears while drivingDifferent temperature on both sides of the cabinIrregular A/C operation
Details
A/C cooling is weak and gradually loses performance
High Priority90%
Clicking or rattling behind dashboardAir conditioning does not turn on
Details
Air conditioning stopped cooling / no response to AC button
High Priority100%
Air conditioning stopped cooling / no response to AC button
Details
Air conditioning stopped cooling / no response to AC button
High Priority100%
Problem visible at standstill or in trafficIrregular A/C operationNo blowing from vents
Details
A/C Technical Specifications
| Variant | Refrigerant | Amount (g) | Oil | Oil (ml) |
|---|---|---|---|---|
| V (NF) | R134a | 530 – 570g | PAG FD46XG PAO 68 lub PAG ISO 46 | 150ml |
| IV (new EF) | R134a | 660 –700g | PAG FD46XG PAO 68 lub PAG ISO 46 | 150ml |
| III (EF) | R134a | 675 –725g | PAG FD46XG PAO 68 lub PAG ISO 46 | 150ml |
| Standard | R134a | 700 –750g | PAG FD46XG PAO 68 lub PAG ISO 46 | 207 – 230ml |
| Standard | R134a | 775 – 825g | PAG FD46XG PAO 68 lub PAG ISO 46 | 207 – 230ml |
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Summary
- Documented faults
- 8
- Engine variants
- 5
- Average confidence
- 98%