High Priority 100% confidence

Unusual noise and metallic grinding when A/C is on

in Audi A6 (C8) (2018-2025)

Symptoms

  • Weak cabin cooling
  • Clicking or rattling behind dashboard
  • Frost or ice on pipes under the hood

DTC error codes

N280 fault

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A/C Technical Specifications

(C8)

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

S6 (C8) - Najnowsza platforma C8 (4A)

Refrigerant: R1234yf Amount (g): 500 - 550g Oil: PAG46yf Oil (ml): 110 - 140ml

(4G/C7) kompresor Denso/Zexel

Refrigerant: R134a Amount (g): 570g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 120ml
See full specification

Other problems in A6 (C8)

Slow loss of refrigerant or A/C system leakage

High Priority

Hissing from vents and slow loss of refrigerant

High Priority

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