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Change Car Timing Belt Kit

Very technical 4h00–9h00 ~400–900£
Estimated time 4h00–9h00
Estimated labour cost ~400–900£
Difficulty Very technical
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 23
  • 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)
A4 2005-2009 23
  • 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)
  • 3.0 V6 30V Petrol (BBJ)
A4 2007-2015 15
  • 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)
A4 2016-2025 11
  • 1.4 TFSI Petrol (CVNA)
  • 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)
  • 30 TDI MHEV 48V (MHEV),Diesel (DTNB)
  • 30 TDI MHEV Diesel (DEZB)
  • 35 TDI MHEV 48V (MHEV),Diesel (DTNA)
  • 35 TDI MHEV Diesel (DEZE)
  • 40 TDI MHEV Diesel (DTPA)
Renew the timing belt 4h00–9h00
Renew the timing belt kit 5h00–10h00
Renew the timing belt kit and the coolant pump 6h00–14h00
Renew the timing belt kit Automatic transmission 6h00–9h00
Renew the timing belt kit Manual transmission 5h00–9h00
Renew the timing belt kit and the coolant pump Manual transmission 7h00–9h00
Renew the timing belt kit and the coolant pump Automatic transmission 8h00–9h00
Renew the timing belt Manual transmission 5h00–9h00
Renew the timing belt Automatic transmission 6h00–9h00

What is the function of a Audi A4 timing belt?

The timing belt synchronises the rotation of the camshaft(s) with the crankshaft, ensuring that the inlet and exhaust valves open and close at precisely the right moment. It may also drive other components such as the high-pressure fuel pump or the water pump.

When should you change the Audi A4 timing belt?

The replacement interval varies greatly between manufacturers, typically between 60,000 and 240,000 km or 4 to 10 years, whichever comes first. Always respect the time-based interval even if the mileage has not been reached.

What happens if the Audi A4 timing belt breaks?

On interference engines (the vast majority of modern engines), a broken timing belt causes the pistons to strike the open valves, resulting in bent valves, damaged pistons, and potentially a destroyed engine. Repair costs can reach several thousand euros. Preventive replacement is critical.

Is it difficult to change the Audi A4 timing belt?

Difficulty level 5/5: very technical, requiring specialist tools (crankshaft and camshaft locking tools specific to your engine, tensioner tools, torque wrench) and precise knowledge of timing marks. Incorrect installation can cause severe engine damage. Recommended for experienced mechanics only.

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