The 2.0-liter Volkswagen AAC (EA086 family) was produced from 1990 to 2003 for the Transporter T4 van. It is a simple SOHC four-cylinder with Digifant port injection that produces 84 hp and 159 Nm.
EA086 family: JK, JP, JX, SB, 1X, 1Y, AAZ, ABL, AAC.
Specifications
| Production years | 1990-2003 |
| Displacement, cc | 1968 |
| Fuel system | distributed injection |
| Power output, hp | 84 |
| Torque output, Nm | 159 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 95.5 |
| Compression ratio | 8.5 |
| Features | SOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.0 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Volkswagen Transporter 1993) — city — highway — combined |
14.4 9.0 11.0 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 152 |
The engine was installed on:
- Volkswagen Transporter T4 (7D) in 1990 – 2003.
Disadvantages of the Volkswagen AAC engine
- Most problems come from the Digifant system, especially with LPG equipment; start troubleshooting with the MAP sensor and rubber hoses;
- Sensors and ignition components are not very reliable;
- Both belts have a short life, but fortunately the valves do not bend if they break;
- Intake manifold air leaks and burnt exhaust manifolds are common.
Frequently asked questions about the Volkswagen AAC
How much power does the Volkswagen AAC make?
The Volkswagen AAC develops 84 hp and 159 Nm of torque.
How much oil does the Volkswagen AAC take and which one?
Engine oil capacity: 5.0 liters. Recommended oil: 5W-40.
Does the Volkswagen AAC have a timing belt or chain?
The Volkswagen AAC uses a timing belt.
Is the Volkswagen AAC turbocharged?
No, the Volkswagen AAC is naturally aspirated.
Does the Volkswagen AAC need valve clearance adjustment?
No, the Volkswagen AAC has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Volkswagen AAC last?
The typical lifespan of the Volkswagen AAC is ~300 000 km with proper maintenance.
What is the fuel consumption of the Volkswagen AAC?
Volkswagen Transporter 1993: city 14.4, highway 9.0, combined 11.0 L/100 km.
What cars was the Volkswagen AAC installed on?
Volkswagen Transporter T4 (7D) in 1990 - 2003.
What are the common problems of the Volkswagen AAC?
Most problems come from the Digifant system, especially with LPG equipment; start troubleshooting with the MAP sensor and rubber hoses. Sensors and ignition components are not very reliable. All known problems.
