High Priority 100% confidence

Hissing from vents and slow loss of refrigerant

in Hyundai Sonata (2015-2019)

Symptoms

  • No cold air from vents
  • Different temperature on both sides of the cabin
  • Weak or no heating in winter
  • No blowing from vents

DTC error codes

Brak

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A/C Technical Specifications

V (NF)

Refrigerant: R134a Amount (g): 530 – 570g Oil: PAG FD46XG PAO 68 lub PAG ISO 46 Oil (ml): 150ml

IV (new EF)

Refrigerant: R134a Amount (g): 660 –700g Oil: PAG FD46XG PAO 68 lub PAG ISO 46 Oil (ml): 150ml

III (EF)

Refrigerant: R134a Amount (g): 675 –725g Oil: PAG FD46XG PAO 68 lub PAG ISO 46 Oil (ml): 150ml
See full specification

Other problems in Sonata

Air conditioning stopped cooling / no response to AC button

High Priority

Unusual noise and metallic grinding when A/C is on

High Priority

The air conditioning does not cool and irregular operation of air conditioning

High Priority

No airflow from specific vents or clicking noise behind dashboard

High Priority

A/C cooling is weak and gradually loses performance

High Priority

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