The 4.0-liter diesel engine Audi ASE or A8 4.0 TDI was produced from 2003 to 2005 and was installed only on our popular A8 sedan in the back of D3 before its first restyling. This V8 diesel had an unsuccessful timing design and quickly gave way to 4.2 TDI engines.
EA898 family: AKF, ASE, BTR, CKDA, CCGA, CZAC, DHVA.
Specifications
| Production years | 2003-2005 |
| Displacement, cc | 3936 |
| Fuel system | Common Rail |
| Power output, hp | 275 |
| Torque output, Nm | 650 |
| Cylinder block | cast iron V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 95.5 |
| Compression ratio | 17.5 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | Garrett GTA1749VK |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 9.5 |
| Fuel type | diesel |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Audi A8 2004) — city — highway — combined |
13.4 7.4 9.6 |
| Engine lifespan, km | ~260 000 |
| Weight, kg | 250 |
The engine was installed on:
- Audi A8 D3 (4E) in 2003 – 2005.
Disadvantages of the Audi ASE engine
- This motor had weak timing chain tensioners, which often led to a jump;
- Also here, the intake manifold flaps often fell off and fell into the cylinders;
- The remaining massive engine problems are usually related to fuel system failures;
- Saving on oil here greatly reduces the life of turbines and hydraulic lifters;
- Check the condition of the glow plugs or they will simply break when unscrewed.
Frequently asked questions about the Audi ASE
How much power does the Audi ASE make?
The Audi ASE develops 275 hp and 650 Nm of torque.
How much oil does the Audi ASE take and which one?
Engine oil capacity: 9.5 liters. Recommended oil: 5W-30.
Does the Audi ASE have a timing belt or chain?
The Audi ASE uses a timing chain.
Is the Audi ASE turbocharged?
Yes, the Audi ASE is turbocharged (Garrett GTA1749VK).
Does the Audi ASE need valve clearance adjustment?
No, the Audi ASE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi ASE last?
The typical lifespan of the Audi ASE is ~260 000 km with proper maintenance.
What is the fuel consumption of the Audi ASE?
Audi A8 2004: city 13.4, highway 7.4, combined 9.6 L/100 km.
What cars was the Audi ASE installed on?
Audi A8 D3 (4E) in 2003 - 2005.
What are the common problems of the Audi ASE?
This motor had weak timing chain tensioners, which often led to a jump. Also here, the intake manifold flaps often fell off and fell into the cylinders. All known problems.
