High Priority 98% confidence

Hissing from vents and slow loss of refrigerant

in Audi Q5 (2017-2025)

Symptoms

  • Weak cabin cooling
  • Hissing from vents
  • Musty mold odor from vents

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A/C Technical Specifications

(FY)

Refrigerant: R1234yf Amount (g): 500-550g Oil: PAG YF ISO 46 Oil (ml): 130 - 160ml

kompresor Denso + skraplacz 8T0 XXX XXX C

Refrigerant: R134a Amount (g): 550g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 110ml

Hybrid

Refrigerant: R134a Amount (g): 890g Oil: G 052 535 M2 PAO 68 AA1 Oil (ml): 200ml
See full specification

Other problems in Q5

A/C cooling is weak and gradually loses performance

High Priority

Air conditioning stopped cooling / no response to AC button

High Priority

Hissing from vents and slow loss of refrigerant

High Priority

Hissing from vents and slow loss of refrigerant

High Priority

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