The 2.4-liter VW AAB or T4 2.4 diesel engine was produced from 1990 to 1998 and was installed in the fourth generation of the very popular Transporter minibus. After updating to more stringent environmental standards, this motor received the AJA index.
EA153 family: AAB, AJT, ACV, AXG, BAC, BPE, AXD, AXE, AJS, AYH.
Specifications
| Production years | 1990-1998 |
| Displacement, cc | 2370 |
| Fuel system | prechambers |
| Power output, hp | 78 |
| Torque output, Nm | 164 |
| Cylinder block | cast iron R5 |
| Block head | aluminum 10v |
| Cylinder bore, mm | 79.5 |
| Piston stroke, mm | 95.5 |
| Compression ratio | 23.0 |
| Features | SOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | diesel |
| Euro standards | EURO 1 |
| Fuel consumption, L/100 km (for VW Transporter 1994) — city — highway — combined |
12.4 7.8 9.4 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 168 |
The engine was installed on:
- Volkswagen Transporter T4 (7D) in 1990 – 1998.
Disadvantages of the VW AAB engine
- There is no turbine in this diesel engine and even the injection pump is mechanical, that is, there is nothing to break;
- The most serious problem is the cracking of the cylinder head after overheating;
- It is necessary to monitor the condition of the timing belt, since its breakage is fatal for the motor;
- On long runs, the engine often consumes oil, up to a liter per 1000 km;
- Also, there are quite often leaks in the injection pump due to wear of its gaskets.
Frequently asked questions about the Volkswagen AAB
How much power does the Volkswagen AAB make?
The Volkswagen AAB develops 78 hp and 164 Nm of torque.
How much oil does the Volkswagen AAB take and which one?
Engine oil capacity: 5.5 liters. Recommended oil: 5W-40.
Does the Volkswagen AAB have a timing belt or chain?
The Volkswagen AAB uses a timing belt.
Is the Volkswagen AAB turbocharged?
No, the Volkswagen AAB is naturally aspirated.
Does the Volkswagen AAB need valve clearance adjustment?
No, the Volkswagen AAB has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Volkswagen AAB last?
The typical lifespan of the Volkswagen AAB is ~400 000 km with proper maintenance.
What is the fuel consumption of the Volkswagen AAB?
VW Transporter 1994: city 12.4, highway 7.8, combined 9.4 L/100 km.
What cars was the Volkswagen AAB installed on?
Volkswagen Transporter T4 (7D) in 1990 - 1998.
What are the common problems of the Volkswagen AAB?
There is no turbine in this diesel engine and even the injection pump is mechanical, that is, there is nothing to break. The most serious problem is the cracking of the cylinder head after overheating. All known problems.
