The 2.0-liter Audi AAD gasoline engine was produced by the concern from 1990 to 1993 and was installed on the company’s most popular models of its time with indexes 80 and 100. This power unit was equipped with a very capricious KE-Motronic fuel injection system.
The EA827 2.0l series includes: 2E, AAD, AAE, ABT, ABK, ADY, AGG, ABF, ACE.
Specifications
Production years | 1990-1993 |
Displacement, cc | 1984 |
Fuel system | KE-Motronic |
Power output, hp | 115 |
Torque output, Nm | 168 |
Cylinder block | cast iron R4 |
Block head | aluminum 8v |
Cylinder bore, mm | 82.5 |
Piston stroke, mm | 92.8 |
Compression ratio | 10.4 |
Features | SOHC |
Hydraulic lifters | yes |
Timing drive | belt |
Phase regulator | no |
Turbocharging | no |
Recommended engine oil | 5W-30 |
Engine oil capacity, liter | 3.0 |
Fuel type | petrol |
Euro standards | EURO 2 |
Fuel consumption, L/100 km (for Audi 100 1992) — city — highway — combined |
11.5 6.7 7.9 |
Engine lifespan, km | ~320 000 |
The engine was installed on:
- Audi 80 B3 (8A) in 1990 – 1991;
- Audi 100 C4 (4A) in 1990 – 1993.
Disadvantages of the Audi AAD engine
- Most often, car owners with such an engine complain about the vagaries of KE-Motronic;
- The main reasons for unstable operation are sensor glitches or air leaks;
- Also, many components of the ignition system have low reliability;
- The timing belt is designed for 90 thousand km, but when it breaks, the valves most often do not bend;
- At very long runs, hydraulic lifters often fail and knock.