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.
EA827 2.0l family: 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:
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.
Frequently asked questions about the Audi AAD
How much power does the Audi AAD make?
The Audi AAD develops 115 hp and 168 Nm of torque.
How much oil does the Audi AAD take and which one?
Engine oil capacity: 3.0 liters. Recommended oil: 5W-30.
Does the Audi AAD have a timing belt or chain?
The Audi AAD uses a timing belt.
Is the Audi AAD turbocharged?
No, the Audi AAD is naturally aspirated.
Does the Audi AAD need valve clearance adjustment?
No, the Audi AAD has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi AAD last?
The typical lifespan of the Audi AAD is ~320 000 km with proper maintenance.
What is the fuel consumption of the Audi AAD?
Audi 100 1992: city 11.5, highway 6.7, combined 7.9 L/100 km.
What cars was the Audi AAD installed on?
Audi 80 B3 (8A) in 1990 - 1991; Audi 100 C4 (4A) in 1990 - 1993.
What are the common problems of the Audi AAD?
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. All known problems.
