High Priority 95% confidence

Hissing from vents and slow loss of refrigerant

in Hyundai Tucson (2016-2021)

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

IV - (NX4)

Refrigerant: R1234yf Amount (g): 480-530g Oil: PAG YF ISO 46 Oil (ml): 120 - 150ml

(TLE)

Refrigerant: R1234yf Amount (g): 600g Oil: FD46XG PAO 68 AA1 lub PAG ISO 46 YF Oil (ml): 100ml

III - (TLE)

Refrigerant: R134a Amount (g): 500-550g Oil: PAG 46 Oil (ml): 130 - 160ml
See full specification

Other problems in Tucson

Unusual noise and metallic grinding when A/C is on

High Priority

No airflow from specific vents or clicking noise behind dashboard

High Priority

A/C works intermittently or cuts out during driving

High Priority

No cooling (total)

High Priority

A/C cooling is weak and gradually loses performance

High Priority

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