2026-08-20 · 5 min read
Audi A4 B9 Air Conditioning Malaysia
R1234yf. 2-zone climate standard. Panoramic roof: check drain tubes annually. Compressor RM 1,500–3,000. Cabin filter every 15,000 km.

A4 A/C Service
- B9: R1234yf — regas RM 380–550
- Cabin filter every 15,000 km
R1234yf vs R134a — Malaysia A/C Context
Newer A4 variants use R1234yf refrigerant, which costs significantly more to regas than the older R134a. Do not mix refrigerant types — this damages the A/C compressor and seals. Always confirm which refrigerant your specific A4 uses before any A/C service. In Malaysia's year-round heat, the Audi A/C compressor runs nearly continuously. Annual A/C inspection at 4M Car Care is recommended to catch compressor wear and refrigerant leaks early — A/C compressor replacement on the A4 costs RM 1,200–2,800.
