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Change Car Fuel Filter

Easy 0h30–2h30 ~50–250£
Estimated time 0h30–2h30
Estimated labour cost ~50–250£
Difficulty Easy
Vehicles
A6 1997-2005 29
  • 1.8 20V Turbo Petrol (AWT)
  • 1.9 TDI Diesel (AFN)
  • 1.9 TDI Diesel (AJM)
  • 1.9 TDI Diesel (AVF)
  • 1.9 TDI Diesel (AVG)
  • 1.9 TDI Diesel (AWX)
  • 2.0 20V Petrol (ALT)
  • 2.4 V6 30V Petrol (AMM)
  • 2.4 V6 30V Petrol (ASM)
  • 2.4 V6 30V Petrol (BDV)
  • 2.5 V6 TDI Diesel (AFB)
  • 2.5 V6 TDI Diesel (AKE)
  • 2.5 V6 TDI Diesel (AKN)
  • 2.5 V6 TDI Diesel (AYM)
  • 2.5 V6 TDI Diesel (BAU)
  • 2.5 V6 TDI Diesel (BCZ)
  • 2.5 V6 TDI Diesel (BDG)
  • 2.5 V6 TDI Diesel (BDH)
  • 2.5 V6 TDI Diesel (BFC)
  • 2.7 V6 30V Bi-Turbo Petrol (ARE)
  • 2.7 V6 30V Bi-Turbo Petrol (AZA)
  • 2.7 V6 30V Bi-Turbo Petrol (BES)
  • 3.0 V6 30V Petrol (ASN)
  • 3.0 V6 30V Petrol (BBJ)
  • 4.2 V8 40V Petrol (ASG)
  • RS6 (4.2 V8 40V) Petrol (BCY)
  • RS6 (4.2 V8 40V) Petrol (BRV)
  • S6 (4.2 V8 40V) Petrol (ANK)
  • S6 (4.2 V8 40V) Petrol (AQJ)
A6 2005-2011 32
  • 2.0 TDI 16V (DPF) Diesel (BRE)
  • 2.0 TDI 16V (DPF) Diesel (BRF)
  • 2.0 TDI 16V (DPF) Diesel (BVG)
  • 2.0 TDI 16V Diesel (BLB)
  • 2.0 TDI 16V Diesel (BNA)
  • 2.0 TDI Diesel (CAGB)
  • 2.0 TDI Diesel (CAHA)
  • 2.0 TDI Diesel (CAHB)
  • 2.0 TFSI 16V Petrol (BPJ)
  • 2.4 V6 Petrol (BDW)
  • 2.7 V6 TDI Diesel (BPP)
  • 2.7 V6 TDI Diesel (BSG)
  • 2.7 V6 TDI Diesel (CANA)
  • 2.7 V6 TDI Diesel (CANB)
  • 2.7 V6 TDI Diesel (CANC)
  • 2.7 V6 TDI Diesel (CAND)
  • 2.8 V6 FSi Petrol (BDX)
  • 2.8 V6 FSi Petrol (CCDA)
  • 2.8 V6 FSi Petrol (CCEA)
  • 3.0 V6 Petrol (BBJ)
  • 3.0 V6 TDI Diesel (ASB)
  • 3.0 V6 TDI Diesel (BMK)
  • 3.0 V6 TDI Diesel (BNG)
  • 3.0 V6 TDI Diesel (CDYA)
  • 3.0 V6 TDI Diesel (CDYB)
  • 3.0 V6 TDI Diesel (CDYC)
  • 3.0 V6 TFSI Petrol (CAJA)
  • 3.2 V6 FSi Petrol (AUK)
  • 4.2 FSi V8 Petrol (BVJ)
  • 4.2 V8 Petrol (BAT)
  • RS6 (5.0 V10) Petrol (BUH)
  • S6 (5.2 V10 FSi) Petrol (BXA)
A6 2011-2018 42
  • 1.8 TFSI Petrol (CYGA)
  • 2.0 TDI Diesel (CGLC)
  • 2.0 TDI Diesel (CGLD)
  • 2.0 TDI Diesel (CGLE)
  • 2.0 TDI Diesel (CNHA)
  • 2.0 TDI Diesel (CSUD)
  • 2.0 TDI Diesel (CSUE)
  • 2.0 TDI Diesel (DDCA)
  • 2.0 TDI Diesel (DDCB)
  • 2.0 TDI Diesel (DDDA)
  • 2.0 TFSI Hybrid Electricity,Petrol (CHJA+EAFA)
  • 2.0 TFSI Petrol (CDNB)
  • 2.0 TFSI Petrol (CYPA)
  • 2.0 TFSI Petrol (CYPB)
  • 2.8 FSi Petrol (CHVA)
  • 3.0 TDI Diesel (CDUC)
  • 3.0 TDI Diesel (CDUD)
  • 3.0 TDI Diesel (CGQB)
  • 3.0 TDI Diesel (CKVB)
  • 3.0 TDI Diesel (CKVC)
  • 3.0 TDI Diesel (CLAA)
  • 3.0 TDI Diesel (CLAB)
  • 3.0 TDI Diesel (CRTD)
  • 3.0 TDI Diesel (CRTE)
  • 3.0 TDI Diesel (CRTF)
  • 3.0 TDI Diesel (CTCB)
  • 3.0 TDI Diesel (CTCC)
  • 3.0 TDI Diesel (CVUA)
  • 3.0 TDI Diesel (CVUB)
  • 3.0 TDI Diesel (CZVA)
  • 3.0 TDI Diesel (CZVB)
  • 3.0 TDI Diesel (CZVC)
  • 3.0 TDI Diesel (CZVD)
  • 3.0 TDI Diesel (CZVF)
  • 3.0 TFSI Petrol (CGWB)
  • 3.0 TFSI Petrol (CGWD)
  • 3.0 TFSI Petrol (CREC)
  • RS6 (4.0 V8 TFSI) Petrol (CRDB)
  • RS6 (4.0 V8 TFSI) Petrol (CWUB)
  • RS6 Performance (4.0 V8 TFSI) Petrol (CWUC)
  • S6 (4.0 V8 TFSI) Petrol (CEUC)
  • S6 (4.0 V8 TFSI) Petrol (CTGE)
A6 2019-2025 12
  • 35 TDI 48V (MHEV),Diesel (DEZD)
  • 35 TDI 48V (MHEV),Diesel (DEZF)
  • 35 TDI 48V (MHEV),Diesel (DTPB)
  • 40 TDI 48V (MHEV),Diesel (DFBA)
  • 40 TDI 48V (MHEV),Diesel (DTPA)
  • 45 TDI 48V (MHEV),Diesel (DDVE)
  • 45 TDI 48V (MHEV),Diesel (DDVF)
  • 45 TDI 48V (MHEV),Diesel (DMGH)
  • 50 TDI 48V (MHEV),Diesel (DDVB)
  • 50 TDI 48V (MHEV),Diesel (DMGA)
  • S6 (3.0 TDI) 48V (MHEV),Diesel (DEWA)
  • S6 (3.0 TDI) 48V (MHEV),Diesel (DMKD)

What is the role of the Audi A6 fuel filter?

The fuel filter retains all impurities from the fuel circuit. Modern injection systems operate at extremely high pressures with very fine tolerances, making effective fuel filtration critical to prevent damage to injectors and the high-pressure pump.

When should you change the Audi A6 fuel filter?

Generally replace every 20,000–60,000 km depending on the manufacturer. The filter should also be replaced if the vehicle has been left standing for a long period or if contaminated fuel has been used.

Is it difficult to change the Audi A6 fuel filter?

Difficulty level 2/5: technically easy. Key steps: locate the filter, disconnect any electrical connectors, remove the old filter, fit the new filter with new seals, prime the fuel system, start the engine and check for leaks.

4 models covered

Model Year Range Engines covered Fuel
A6 1997-2005 1997-2005 1.8 20V Turbo Petrol (AWT), 1.9 TDI Diesel (AFN), 1.9 TDI Diesel (AJM), 1.9 TDI Diesel (AVF), 1.9 TDI Diesel (AVG), 1.9 TDI Diesel (AWX), 2.0 20V Petrol (ALT), 2.4 V6 30V Petrol (AMM), 2.4 V6 30V Petrol (ASM), 2.4 V6 30V Petrol (BDV), 2.5 V6 TDI Diesel (AFB), 2.5 V6 TDI Diesel (… Diesel, Petrol
A6 2005-2011 2005-2011 2.0 TDI 16V (DPF) Diesel (BRE), 2.0 TDI 16V (DPF) Diesel (BRF), 2.0 TDI 16V (DPF) Diesel (BVG), 2.0 TDI 16V Diesel (BLB), 2.0 TDI 16V Diesel (BNA), 2.0 TDI Diesel (CAGB), 2.0 TDI Diesel (CAHA), 2.0 TDI Diesel (CAHB), 2.0 TFSI 16V Petrol (BPJ), 2.4 V6 Petrol (BDW), 2.7 V6 TDI Die… Diesel, Petrol
A6 2011-2018 2011-2018 1.8 TFSI Petrol (CYGA), 2.0 TDI Diesel (CGLC), 2.0 TDI Diesel (CGLD), 2.0 TDI Diesel (CGLE), 2.0 TDI Diesel (CNHA), 2.0 TDI Diesel (CSUD), 2.0 TDI Diesel (CSUE), 2.0 TDI Diesel (DDCA), 2.0 TDI Diesel (DDCB), 2.0 TDI Diesel (DDDA), 2.0 TFSI Hybrid Electricity,Petrol (CHJA+EAFA), … Diesel, Electricity, Petrol
A6 2019-2025 2019-2025 35 TDI 48V (MHEV),Diesel (DEZD), 35 TDI 48V (MHEV),Diesel (DEZF), 35 TDI 48V (MHEV),Diesel (DTPB), 40 TDI 48V (MHEV),Diesel (DFBA), 40 TDI 48V (MHEV),Diesel (DTPA), 40 TFSI 48V (MHEV),Petrol (DMTC), 45 TDI 48V (MHEV),Diesel (DDVE), 45 TDI 48V (MHEV),Diesel (DDVF), 45 TDI 48V (MH… 48V (MHEV), Diesel, Electricity, Petrol