The 3.7-liter Audi AEW engine or the 3.7-liter A8 D2 engine was produced from 1995 to 1998 and was installed on the front and all-wheel drive versions of the popular A8 model in the D2 body. There is a similar motor with the AKJ index and slight differences in the injection system.
The EA824 series includes: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR, CRDB, CEUA.
Specifications
| Production years | 1995-1998 |
| Displacement, cc | 3697 |
| Fuel system | distributed injection |
| Power output, hp | 230 |
| Torque output, Nm | 315 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 82.4 |
| Compression ratio | 10.8 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt & 2 chains |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 7.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Audi A8 quattro 1996) — city — highway — combined |
19.6 9.0 12.9 |
| Engine lifespan, km | ~310 000 |
The engine was installed on:
- Audi A8 D2 (4D) in 1995 – 1998.
Disadvantages of the Audi AEW engine
- Like any aluminum block engine, it is afraid of overheating and bad gas;
- Savings on maintenance and frequent overheating lead to scoring;
- The use of low-quality oil often results in the sound of hydraulic lifters;
- Monitor the condition of the timing belt, as with its breakage, the valves most often bend;
- Lubrication leaks are also regularly encountered, and especially at the junction of the motor with the gearbox.
