Change Car Accessory Belt Kit Audi A3

Change Car Accessory Belt Kit

Easy 0h30–2h00 ~50–200£
Estimated time 0h30–2h00
Estimated labour cost ~50–200£
Difficulty Easy
Vehicles
A3 I 1997-2003 25
  • 1.6 Petrol (AEH)
  • 1.6 Petrol (AKL)
  • 1.6 Petrol (APF)
  • 1.6 Petrol (AVU)
  • 1.6 Petrol (BFQ)
  • 1.8 20V Petrol (AGN)
  • 1.8 20V Petrol (APG)
  • 1.8 20V Turbo Petrol (AGU)
  • 1.8 20V Turbo Petrol (AJQ)
  • 1.8 20V Turbo Petrol (APP)
  • 1.8 20V Turbo Petrol (AQA)
  • 1.8 20V Turbo Petrol (ARX)
  • 1.8 20V Turbo Petrol (ARY)
  • 1.8 20V Turbo Petrol (ARZ)
  • 1.8 20V Turbo Petrol (AUM)
  • 1.8 20V Turbo Petrol (AUQ)
  • 1.9 TDI Diesel (AGR)
  • 1.9 TDI Diesel (AHF)
  • 1.9 TDI Diesel (ALH)
  • 1.9 TDI Diesel (ASV)
  • 1.9 TDI Diesel (ASZ)
  • 1.9 TDI Diesel (ATD)
  • 1.9 TDI Diesel (AXR)
  • S3 (1.8 20V Turbo) Petrol (AMK)
  • S3 (1.8 20V Turbo) Petrol (BAM)
A3 II 2003-2013 48
  • 1.2 TFSI Petrol (CBZB)
  • 1.4 TFSI Petrol (CAXC)
  • 1.6 8V E-Power Bioethanol (E85),Petrol (CMXA)
  • 1.6 8V Petrol (BGU)
  • 1.6 8V Petrol (BSE)
  • 1.6 8V Petrol (CCSA)
  • 1.6 FSi 16V Petrol (BAG)
  • 1.6 FSi 16V Petrol (BLF)
  • 1.6 FSi 16V Petrol (BLP)
  • 1.6 TDI Diesel (CAYB)
  • 1.6 TDI Diesel (CAYC)
  • 1.8 TFSI Petrol (BYT)
  • 1.8 TFSI Petrol (BZB)
  • 1.8 TFSI Petrol (CDAA)
  • 1.9 TDI 8V Diesel (BKC)
  • 1.9 TDI 8V Diesel (BXE)
  • 1.9 TDI 8V DPF Diesel (BLS)
  • 2.0 FSi 16V Petrol (AXW)
  • 2.0 FSi 16V Petrol (BLR)
  • 2.0 FSi 16V Petrol (BLX)
  • 2.0 FSi 16V Petrol (BLY)
  • 2.0 FSi 16V Petrol (BMB)
  • 2.0 FSi 16V Petrol (BVY)
  • 2.0 FSi 16V Petrol (BVZ)
  • 2.0 TDI 16V Diesel (AZV)
  • 2.0 TDI 16V Diesel (BKD)
  • 2.0 TDI 16V DPF Diesel (BMN)
  • 2.0 TDI 16V DPF Diesel (BUY)
  • 2.0 TDI 8V DPF Diesel (BMM)
  • 2.0 TDI Diesel (CBAA)
  • 2.0 TDI Diesel (CBAB)
  • 2.0 TDI Diesel (CBBB)
  • 2.0 TDI Diesel (CFFA)
  • 2.0 TDI Diesel (CFFB)
  • 2.0 TDI Diesel (CFGB)
  • 2.0 TFSI Petrol (AXX)
  • 2.0 TFSI Petrol (BPY)
  • 2.0 TFSI Petrol (BWA)
  • 2.0 TFSI Petrol (CAWB)
  • 2.0 TFSI Petrol (CCZA)
  • 3.2 VR6 Petrol (BDB)
  • 3.2 VR6 Petrol (BMJ)
  • 3.2 VR6 Petrol (BUB)
  • RS3 (2.5 TFSI) Petrol (CEPA)
  • S3 (2.0 TFSI) Petrol (BHZ)
  • S3 (2.0 TFSI) Petrol (BZC)
  • S3 (2.0 TFSI) Petrol (CDLA)
  • S3 (2.0 TFSI) Petrol (CDLC)
A3 III 2013-2020 51
  • 1.0 TFSI Petrol (CHZD)
  • 1.2 TFSI Petrol (CJZA)
  • 1.2 TFSI Petrol (CYVB)
  • 1.4 TFSI e-tron Electricity,Petrol (CUKB+EAHA)
  • 1.4 TFSI Petrol (CMBA)
  • 1.4 TFSI Petrol (CPTA)
  • 1.4 TFSI Petrol (CXSA)
  • 1.4 TFSI Petrol (CXSB)
  • 1.4 TFSI Petrol (CZCA)
  • 1.4 TFSI Petrol (CZCC)
  • 1.4 TFSI Petrol (CZEA)
  • 1.6 TDI Diesel (CLHA)
  • 1.6 TDI Diesel (CRKB)
  • 1.6 TDI Diesel (CXXB)
  • 1.6 TDI Diesel (DBKA)
  • 1.6 TDI Diesel (DDYA)
  • 1.8 TFSI Petrol (CJSA)
  • 1.8 TFSI Petrol (CJSB)
  • 2.0 TDI Diesel (CRBC)
  • 2.0 TDI Diesel (CRBD)
  • 2.0 TDI Diesel (CRFC)
  • 2.0 TDI Diesel (CRLB)
  • 2.0 TDI Diesel (CRLC)
  • 2.0 TDI Diesel (CRUA)
  • 2.0 TDI Diesel (CUNA)
  • 2.0 TDI Diesel (DBGA)
  • 2.0 TDI Diesel (DCYA)
  • 2.0 TDI Diesel (DEJA)
  • 2.0 TDI Diesel (DEJB)
  • 2.0 TDI Diesel (DGCA)
  • 30 g-tron CNG (DHFA)
  • 30 TDI Diesel (DGTE)
  • 30 TFSI Petrol (DKRF)
  • 35 TDI Diesel (DFGA)
  • 35 TFSI Petrol (DADA)
  • 35 TFSI Petrol (DPCA)
  • 40 e-tron Electricity,Petrol (DGEA+EAHA)
  • 40 TDI Diesel (DJGA)
  • 40 TFSI Petrol (CZPB)
  • 40 TFSI Petrol (DKZA)
  • RS3 (2.5 TFSI) Petrol (CZGB)
  • RS3 (2.5 TFSI) Petrol (DAZA)
  • RS3 (2.5 TFSI) Petrol (DNWA)
  • S3 (2.0 TFSI) Petrol (CJXB)
  • S3 (2.0 TFSI) Petrol (CJXC)
  • S3 (2.0 TFSI) Petrol (CJXD)
  • S3 (2.0 TFSI) Petrol (CJXF)
  • S3 (2.0 TFSI) Petrol (CJXG)
  • S3 (2.0 TFSI) Petrol (DJHA)
  • S3 (2.0 TFSI) Petrol (DJHB)
  • S3 (2.0 TFSI) Petrol (DNUE)
A3 IV 2020-2025 16
  • 30 eTFSI 48V (MHEV),Petrol (DLAA)
  • 30 TDI Diesel (DSUD)
  • 30 TDI Diesel (DTRB)
  • 30 TDI Diesel (DTRD)
  • 35 eTFSI 48V (MHEV),Petrol (DFYA)
  • 35 TDI Diesel (DSRB)
  • 35 TDI Diesel (DTSA)
  • 35 TDI Diesel (DTSB)
  • 35 TFSI Petrol (DPCA)
  • 40 TDI Diesel (DTUA)
  • 40 TFSI e Electricity,Petrol (DGEA+EANA)
  • 40 TFSI Petrol (DNNA)
  • 45 TFSI e Electricity,Petrol (DGEA+EANA)
  • RS3 (2.5 TFSI) Petrol (DNWC)
  • RS3 (2.5 TFSI) Petrol (DNWD)
  • S3 (2.0 TFSI) Petrol (DNFB)
Renew the air-conditioning compressor drive belt 1h30
Renew the ancillary drive belt Without air conditioning 0h45
Renew the ancillary drive belt With air conditioning 1h30
Renew the engine oil and filter 0h45–1h30
Renew the ancillary drive belt 0h30–2h00

What is a Audi A3 accessory belt?

The accessory belt (also called the auxiliary belt or serpentine belt) allows the engine to drive peripheral components such as the alternator, air conditioning compressor, power steering pump, and sometimes the water pump.

When should you change the Audi A3 accessory belt?

Typical replacement is every 60,000–120,000 km or 4–6 years. Signs of wear include: squealing noise (especially at start-up or in wet weather), visible cracks or fraying. Always replace the tensioner and any idler pulleys at the same time.

Is it difficult to change the Audi A3 accessory belt?

Difficulty level 2/5: technically easy. Key steps: note the belt routing before removal, release the automatic tensioner, slide off the old belt, replace tensioner and idler pulleys, route the new belt, release the tensioner to apply tension.

View all compatible products →
View your A3 maintenance plan (keep the A3 token) →

4 models covered

Model Year Range Engines covered Fuel
A3 I 1997-2003 1997-2003 1.6 Petrol (AEH), 1.6 Petrol (AKL), 1.6 Petrol (APF), 1.6 Petrol (AVU), 1.6 Petrol (BFQ), 1.8 20V Petrol (AGN), 1.8 20V Petrol (APG), 1.8 20V Turbo Petrol (AGU), 1.8 20V Turbo Petrol (AJQ), 1.8 20V Turbo Petrol (APP), 1.8 20V Turbo Petrol (AQA), 1.8 20V Turbo Petrol (ARX), 1.8 2… Diesel, Petrol
A3 II 2003-2013 2003-2013 1.2 TFSI Petrol (CBZB), 1.4 TFSI Petrol (CAXC), 1.6 8V E-Power Bioethanol (E85),Petrol (CMXA), 1.6 8V Petrol (BGU), 1.6 8V Petrol (BSE), 1.6 8V Petrol (CCSA), 1.6 FSi 16V Petrol (BAG), 1.6 FSi 16V Petrol (BLF), 1.6 FSi 16V Petrol (BLP), 1.6 TDI Diesel (CAYB), 1.6 TDI Diesel (CAY… Bioethanol (E85), Diesel, Petrol
A3 III 2013-2020 2013-2020 1.0 TFSI Petrol (CHZD), 1.2 TFSI Petrol (CJZA), 1.2 TFSI Petrol (CYVB), 1.4 TFSI CNG CNG,Petrol (CPWA), 1.4 TFSI e-tron Electricity,Petrol (CUKB+EAHA), 1.4 TFSI Petrol (CMBA), 1.4 TFSI Petrol (CPTA), 1.4 TFSI Petrol (CXSA), 1.4 TFSI Petrol (CXSB), 1.4 TFSI Petrol (CZCA), 1.4 TFS… CNG, Diesel, Electricity, Petrol
A3 IV 2020-2025 2020-2025 30 eTFSI 48V (MHEV),Petrol (DLAA), 30 TDI Diesel (DSUD), 30 TDI Diesel (DTRB), 30 TDI Diesel (DTRD), 35 eTFSI 48V (MHEV),Petrol (DFYA), 35 TDI Diesel (DSRB), 35 TDI Diesel (DTSA), 35 TDI Diesel (DTSB), 35 TFSI Petrol (DPCA), 40 TDI Diesel (DTUA), 40 TFSI e Electricity,Petrol (DG… 48V (MHEV), Diesel, Electricity, Petrol

Other repair guides

Change Car Battery

Change Car Battery

Very easy 0h30–1h30
Change Car Front Brake Discs and Pads

Change Car Front Brake Discs and Pads

Easy 1h30–2h00
Change Car Front Brake Pads

Change Car Front Brake Pads

Easy 1h00–1h30
Change Car Handbrake Cable

Change Car Handbrake Cable

Very easy 0h30
Change Car Rear Silencer

Change Car Rear Silencer

Easy 0h45–1h30
Change Car Air Filter

Change Car Air Filter

Very easy 0h30–0h30
Change Car Cabin Filter

Change Car Cabin Filter

Very easy 0h30–0h30
Change Car Clutch

Change Car Clutch

Technical 7h00–16h00
Change Car Fuel Filter

Change Car Fuel Filter

Easy 0h30–0h45
Change Car Glow Plugs

Change Car Glow Plugs

Intermediate 0h45–1h30
Change Car Oil Filter

Change Car Oil Filter

Easy 0h30–1h30
Change Car Particulate Filter (DPF)

Change Car Particulate Filter (DPF)

Easy 0h30–14h00
Change Car Shock Absorbers

Change Car Shock Absorbers

Easy 3h00–6h00
Change Car Spark Plugs

Change Car Spark Plugs

Easy 0h30–2h00
Change Car Timing Belt Kit

Change Car Timing Belt Kit

Very technical 4h00–10h00
Change Car Turbo

Change Car Turbo

Very technical 3h30–22h00
Change Car Water Pump

Change Car Water Pump

Easy 2h00–8h00
View the service schedule for your A3 →