High Priority 100% confidence

Unusual noise and metallic grinding when A/C is on

in Audi A8 (D5) (2018-2025)

Symptoms

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

DTC error codes

N280 fault

Verifying license...

A/C Technical Specifications

(4H) Hybrid

Refrigerant: R134a Amount (g): 1080g Oil: G 052 535 M2 PAO 68 AA1 Oil (ml): 180ml

(4H)

Refrigerant: R134a Amount (g): 780g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 130ml

(4H) silnik: 8-cylindrowy TDI

Refrigerant: R134a Amount (g): 740g Oil: PAG PAO 68 lub PAG ISO 46 Oil (ml): 180ml
See full specification

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