Change Car Timing Belt Kit Audi A3
Change Car Timing Belt Kit
| Estimated time | 4h00–10h00 |
|---|---|
| Estimated labour cost | ~400–1000£ |
| Difficulty | Very technical |
| Vehicles |
A3 I 1997-2003 25
A3 II 2003-2013 36
A3 III 2013-2020 37
A3 IV 2020-2025 12
|
| Renew the timing belt | 4h00–10h00 |
| Renew the timing belt kit | 4h00–13h00 |
| Renew the timing belt kit and the coolant pump | 5h00–11h00 |
| Renew the timing belt ( - 2005) | 5h00 |
| Renew the timing belt With diesel particulate filter | 5h00 |
| Renew the timing belt (2006 - ) | 5h00 |
| Renew the timing belt kit CBAB | 7h00 |
| Renew the timing belt kit BKD | 8h00 |
What is the function of a Audi A3 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 A3 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 A3 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 A3 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.
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 |