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Change Car Fuel Filter

Easy 0h30–10h00 ~50–1000£
Estimated time 0h30–10h00
Estimated labour cost ~50–1000£
Difficulty Easy
Vehicles
A4 1995-2002 37
  • 1.6 Petrol (ADP)
  • 1.6 Petrol (AHL)
  • 1.6 Petrol (ALZ)
  • 1.6 Petrol (ANA)
  • 1.8 20V Petrol (ADR)
  • 1.8 20V Petrol (AFY)
  • 1.8 20V Petrol (APT)
  • 1.8 20V Petrol (ARG)
  • 1.8 20V Petrol (AVV)
  • 1.8 20V Turbo Petrol (AEB)
  • 1.8 20V Turbo Petrol (AJL)
  • 1.8 20V Turbo Petrol (ANB)
  • 1.8 20V Turbo Petrol (APU)
  • 1.8 20V Turbo Petrol (ARK)
  • 1.8 20V Turbo Petrol (AWT)
  • 1.9 TDI Diesel (1Z)
  • 1.9 TDI Diesel (AFF)
  • 1.9 TDI Diesel (AFN)
  • 1.9 TDI Diesel (AHH)
  • 1.9 TDI Diesel (AHU)
  • 1.9 TDI Diesel (ATJ)
  • 1.9 TDI Diesel (AVG)
  • 2.4 V6 30V Petrol (AGA)
  • 2.4 V6 30V Petrol (ALF)
  • 2.4 V6 30V Petrol (AML)
  • 2.4 V6 30V Petrol (AMM)
  • 2.4 V6 30V Petrol (APS)
  • 2.4 V6 30V Petrol (ARJ)
  • 2.6 V6 Petrol (ABC)
  • 2.8 V6 30V Petrol (ACK)
  • 2.8 V6 30V Petrol (ALG)
  • 2.8 V6 30V Petrol (AMX)
  • 2.8 V6 30V Petrol (APR)
  • 2.8 V6 30V Petrol (AQD)
  • RS4 (2.7 V6) Petrol (ASJ)
  • RS4 (2.7 V6) Petrol (AZR)
  • S4 (2.7 V6) Petrol (AZB)
A4 2001-2005 24
  • 1.6 8V Petrol (ALZ)
  • 1.8 20V Turbo Petrol (AMB)
  • 1.8 20V Turbo Petrol (AVJ)
  • 1.8 20V Turbo Petrol (BEX)
  • 1.8 20V Turbo, -Cabriolet Petrol (BFB)
  • 1.9 TDI Diesel (AVB)
  • 1.9 TDI Diesel (AVF)
  • 1.9 TDI Diesel (AWX)
  • 1.9 TDI Diesel (BKE)
  • 2.0 20V, -Cabriolet Petrol (ALT)
  • 2.0 FSi Petrol (AWA)
  • 2.4 V6 30V, -Cabriolet Petrol (AMM)
  • 2.4 V6 30V, -Cabriolet Petrol (BDV)
  • 2.5 TDI V6 Diesel (AKE)
  • 2.5 TDI V6 Diesel (AYM)
  • 2.5 TDI V6 Diesel (BAU)
  • 2.5 TDI V6 Diesel (BDH)
  • 2.5 TDI V6, -Cabriolet Diesel (BCZ)
  • 2.5 TDI V6, -Cabriolet Diesel (BDG)
  • 2.5 TDI V6, -Cabriolet Diesel (BFC)
  • 3.0 V6 30V Petrol (AVK)
  • 3.0 V6 30V, -Cabriolet Petrol (ASN)
  • 3.0 V6 30V, -Cabriolet Petrol (BBJ)
  • S4 (4.2 V8), -Cabriolet Petrol (BBK)
A4 2005-2009 31
  • 1.6 8V Petrol (ALZ)
  • 1.8 20V Turbo, -Cabriolet Petrol (BFB)
  • 1.9 TDI Diesel (BKE)
  • 1.9 TDI DPF Diesel (BRB)
  • 2.0 20V Petrol (ALT)
  • 2.0 TDI 8V DPF Cabriolet Diesel (BRC)
  • 2.0 TDI 8V DPF, -Cabriolet Diesel (BPW)
  • 2.0 TDI Diesel (BLB)
  • 2.0 TDI Diesel (BNA)
  • 2.0 TDI Diesel (BVG)
  • 2.0 TDI DPF Diesel (BRD)
  • 2.0 TDI DPF Diesel (BRE)
  • 2.0 TDI DPF Diesel (BRF)
  • 2.0 TDI DPF Diesel (BVA)
  • 2.0 TDI DPF Diesel (BVF)
  • 2.0 TFSI Petrol (BGB)
  • 2.0 TFSI Petrol (BPG)
  • 2.0 TFSI Petrol (BPJ)
  • 2.0 TFSI Petrol (BUL)
  • 2.0 TFSI, -Cabriolet Petrol (BWE)
  • 2.0 TFSI, -Cabriolet Petrol (BWT)
  • 2.5 TDI V6 Diesel (BDG)
  • 2.7 TDI V6 DPF Diesel (BSG)
  • 2.7 TDI V6 DPF, -Cabriolet Diesel (BPP)
  • 3.0 TDI V6, -Cabriolet Diesel (ASB)
  • 3.0 TDI V6, -Cabriolet Diesel (BKN)
  • 3.0 V6 30V Petrol (BBJ)
  • 3.2 V6 FSi Petrol (BKH)
  • 3.2 V6 FSi, -Cabriolet Petrol (AUK)
  • RS4 (4.2 V8) Petrol (BNS)
  • S4 (4.2 V8) Petrol (BBK)
A4 2007-2015 43
  • 1.8 TFSI Petrol (CABA)
  • 1.8 TFSI Petrol (CABB)
  • 1.8 TFSI Petrol (CDHA)
  • 1.8 TFSI Petrol (CDHB)
  • 1.8 TFSI Petrol (CJEB)
  • 2.0 TDI Diesel (CAGA)
  • 2.0 TDI Diesel (CAGB)
  • 2.0 TDI Diesel (CAGC)
  • 2.0 TDI Diesel (CAHA)
  • 2.0 TDI Diesel (CAHB)
  • 2.0 TDI Diesel (CGLC)
  • 2.0 TDI Diesel (CGLD)
  • 2.0 TDI Diesel (CJCA)
  • 2.0 TDI Diesel (CJCB)
  • 2.0 TDI Diesel (CJCC)
  • 2.0 TDI Diesel (CJCD)
  • 2.0 TDI Diesel (CNHA)
  • 2.0 TDI Diesel (CNHC)
  • 2.0 TDI Diesel (CSUA)
  • 2.0 TDI Diesel (CSUB)
  • 2.0 TFSI Bioethanol (E85),Petrol (CFKA)
  • 2.0 TFSI Petrol (CDNB)
  • 2.0 TFSI Petrol (CDNC)
  • 2.0 TFSI Petrol (CNCD)
  • 2.7 V6 TDI Diesel (CAMA)
  • 2.7 V6 TDI Diesel (CAMB)
  • 2.7 V6 TDI Diesel (CGKA)
  • 2.7 V6 TDI Diesel (CGKB)
  • 3.0 TDI Diesel (CAPA)
  • 3.0 TDI Diesel (CCLA)
  • 3.0 TDI Diesel (CCWA)
  • 3.0 TDI Diesel (CCWB)
  • 3.0 TDI Diesel (CDUC)
  • 3.0 TDI Diesel (CKVB)
  • 3.0 TDI Diesel (CKVC)
  • 3.0 TDI Diesel (CLAB)
  • 3.0 TFSI Petrol (CMUA)
  • 3.0 TFSI Petrol (CRED)
  • 3.2 V6 FSi Petrol (CALA)
  • RS4 (4.2 TFSI) Petrol (CFSA)
  • S4 (3.0 TFSI) Petrol (CAKA)
  • S4 (3.0 TFSI) Petrol (CGWC)
  • S4 (3.0 TFSI) Petrol (CREC)
A4 2016-2025 25
  • 2.0 TDI Diesel (DETA)
  • 2.0 TDI Diesel (DETB)
  • 2.0 TDI Diesel (DEUA)
  • 2.0 TDI Diesel (DEUB)
  • 2.0 TDI Diesel (DEUC)
  • 2.0 TFSI MHEV 48V (MHEV),Petrol (DDWA)
  • 2.0 TFSI MHEV 48V (MHEV),Petrol (DEMA)
  • 2.0 TFSI Petrol (CVKB)
  • 3.0 TDI Diesel (CRTC)
  • 3.0 TDI Diesel (CSWB)
  • 3.0 TDI Diesel (DCPC)
  • 30 TDI MHEV 48V (MHEV),Diesel (DTNB)
  • 30 TDI MHEV Diesel (DEZB)
  • 35 TDI MHEV 48V (MHEV),Diesel (DTNA)
  • 35 TDI MHEV Diesel (DEZE)
  • 35 TFSI MHEV 48V (MHEV),Petrol (DLVB)
  • 35 TFSI MHEV 48V (MHEV),Petrol (DMSB)
  • 40 TDI MHEV Diesel (DTPA)
  • 40 TFSI MHEV 48V (MHEV),Petrol (DLVA)
  • 40 TFSI, MHEV 48V (MHEV),Petrol (DMSA)
  • 45 TDI Diesel (DCPE)
  • 45 TFSI MHEV 48V (MHEV),Petrol (DKNA)
  • 45 TFSI MHEV 48V (MHEV),Petrol (DMTA)
  • RS4 (2.9 FSi) Petrol (DECA)
  • S4 (3.0 TDI) 48V (MHEV),Diesel (DEWB)

What is the role of the Audi A4 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 A4 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 A4 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.

5 models covered

Model Year Range Engines covered Fuel
A4 1995-2002 1995-2002 1.6 Petrol (ADP), 1.6 Petrol (AHL), 1.6 Petrol (ALZ), 1.6 Petrol (ANA), 1.8 20V Petrol (ADR), 1.8 20V Petrol (AFY), 1.8 20V Petrol (APT), 1.8 20V Petrol (ARG), 1.8 20V Petrol (AVV), 1.8 20V Turbo Petrol (AEB), 1.8 20V Turbo Petrol (AJL), 1.8 20V Turbo Petrol (ANB), 1.8 20V Turbo… Diesel, Petrol
A4 2001-2005 2001-2005 1.6 8V Petrol (ALZ), 1.8 20V Turbo Petrol (AMB), 1.8 20V Turbo Petrol (AVJ), 1.8 20V Turbo Petrol (BEX), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (AVB), 1.9 TDI Diesel (AVF), 1.9 TDI Diesel (AWX), 1.9 TDI Diesel (BKE), 2.0 20V, -Cabriolet Petrol (ALT), 2.0 FSi Petr… Diesel, Petrol
A4 2005-2009 2005-2009 1.6 8V Petrol (ALZ), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (BKE), 1.9 TDI DPF Diesel (BRB), 2.0 20V Petrol (ALT), 2.0 TDI 8V DPF Cabriolet Diesel (BRC), 2.0 TDI 8V DPF, -Cabriolet Diesel (BPW), 2.0 TDI Diesel (BLB), 2.0 TDI Diesel (BNA), 2.0 TDI Diesel (BVG), 2.… Diesel, Petrol
A4 2007-2015 2007-2015 1.8 TFSI Petrol (CABA), 1.8 TFSI Petrol (CABB), 1.8 TFSI Petrol (CDHA), 1.8 TFSI Petrol (CDHB), 1.8 TFSI Petrol (CJEB), 2.0 TDI Diesel (CAGA), 2.0 TDI Diesel (CAGB), 2.0 TDI Diesel (CAGC), 2.0 TDI Diesel (CAHA), 2.0 TDI Diesel (CAHB), 2.0 TDI Diesel (CGLC), 2.0 TDI Diesel (CGLD)… Bioethanol (E85), Diesel, Petrol
A4 2016-2025 2016-2025 1.4 TFSI Petrol (CVNA), 2.0 G-tron CNG (CVLA), 2.0 TDI Diesel (DETA), 2.0 TDI Diesel (DETB), 2.0 TDI Diesel (DEUA), 2.0 TDI Diesel (DEUB), 2.0 TDI Diesel (DEUC), 2.0 TFSI MHEV 48V (MHEV),Petrol (DDWA), 2.0 TFSI MHEV 48V (MHEV),Petrol (DEMA), 2.0 TFSI Petrol (CVKB), 2.0 TFSI Petr… 48V (MHEV), CNG, Diesel, Petrol