From 1996 to 2003, the company produced the 2.5-liter VW AET or T4 2.5 gasoline engine, which was installed on the fourth generation Transporter, Caravelle, Multivan, and California after being restyled. Additionally, this power unit has been updated under the APL and AVT indices.
AAF and AET are gasoline engines in the EA153 series.
Specifications
| Production years | 1996-2003 |
| Displacement, cc | 2461 |
| Fuel system | distributed injection |
| Power output, hp | 115 |
| Torque output, Nm | 200 |
| Cylinder block | cast iron R5 |
| Block head | aluminum 10v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 95.5 |
| Compression ratio | 10.0 |
| 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 2/3 |
| Fuel consumption, L/100 km (for VW Transporter 1998) — city — highway — combined |
17.2 9.7 12.6 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 180 |
The engine was installed on:
- Volkswagen Transporter T4 (7D) in 1996 – 2003.
Disadvantages of the VW AET engine
Owners frequently only complain about high consumption, and this is a very dependable unit.
There are no issues with gas equipment, and Simos takes the place of the erratic Digifant.
On specialized forums, there are numerous complaints regarding spark loss and other ignition system malfunctions.
A damaged sensor’s wiring is frequently the source of engine problems.
The valves do not bend here, but the timing belt and auxiliary units may fly off.