Change Car Timing Belt Kit Audi A8
Change Car Timing Belt Kit
| Estimated time | 4h00–11h00 |
|---|---|
| Estimated labour cost | ~400–1100£ |
| Difficulty | Very technical |
| Vehicles |
A8 1994-2003 6
A8 2003-2010 3
|
| Renew the timing belt | 4h00–11h00 |
| Renew the timing belt kit | 8h00–12h00 |
| Renew the timing belt kit and the coolant pump | 9h00–13h00 |
What is the function of a Audi A8 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 A8 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 A8 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 A8 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 |
|---|---|---|---|
| A8 1994-2003 | 1994-2003 | 2.8 V6 30V Petrol (AMX), 3.3 V8 TDI Diesel (AKF), 3.7 V8 40V Petrol (AKC), 4.2 V8 40V Petrol (AUW), 4.2 V8 40V Petrol (AVN), 6.0 W12 Petrol (AZC), S8 (4.2 V8 40V) Petrol (AVP) | Diesel, Petrol |
| A8 2003-2010 | 2003-2010 | 2.8 FSi Petrol (BDX), 3.0 V6 Petrol (ASN), 3.0 V6 TDI Diesel (ASB), 3.0 V6 TDI Diesel (BNG), 3.2 FSI Petrol (BPK), 3.7 V8 Petrol (BFL), 4.0 V8 TDI Diesel (ASE), 4.2 V8 Petrol (BFM), 4.2 V8 Petrol (BVJ), 4.2 V8 TDI Diesel (BVN), 6.0 W12 Petrol (BHT), S8 (5.2 V10 FSi) Petrol (BSM) | Diesel, Petrol |
| A8 2010-2018 | 2010-2018 | 2.0 TFSI Hybrid Electricity,Petrol (CHJA+EAFA), 2.0 TFSI Petrol (CYPA), 3.0 TDI Diesel (CDTA), 3.0 TDI Diesel (CDTB), 3.0 TDI Diesel (CLAB), 3.0 TDI Diesel (CMHA), 3.0 TDI Diesel (CTBA), 3.0 TDI Diesel (CTBB), 3.0 TDI Diesel (CTBD), 3.0 TFSI Petrol (CGWA), 3.0 TFSI Petrol (CREA)… | Diesel, Electricity, Petrol |
| A8 2018-2025 | 2018-2025 | 50 TDI Diesel (DDVC), 50 TDI MHEV Diesel (DMGK), 55 TFSI Petrol (CZSE), 60 FSi Petrol (CXYA), 60 TDI Diesel (CVXB), 60 TFSI e Electricity,Petrol (CZSE), S8 (4.0 V8 TFSI) MHEV Petrol (CWWB) | Diesel, Electricity, Petrol |
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