The 2.5-liter Volkswagen AHD engine or LT 2.5 TDI was produced from 1996 to 1999 and was installed only on the second generation of the very popular LT minibus. After upgrading to Euro 3 environmental standards, this diesel engine gave way to an unit with the ANJ index.
EA381 family: CN, AAS, AAT, 1T, AEL, AHD, BJK, BJM.
Specifications
| Production years | 1996-1999 |
| Displacement, cc | 2461 |
| Fuel system | direct injection |
| Power output, hp | 102 |
| Torque output, Nm | 250 |
| Cylinder block | cast iron R5 |
| Block head | aluminum 10v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 95.5 |
| Compression ratio | 19.5 |
| Features | SOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | BorgWarner K14 |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 7.8 |
| Fuel type | diesel |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Volkswagen LT2 1998) — city — highway — combined |
11.1 7.4 8.8 |
| Engine lifespan, km | ~450 000 |
The engine was installed on:
- Volkswagen LT 2 (2D) in 1996 – 1999.
Disadvantages of the VW AHD engine
- This diesel engine has a huge resource and worries only at high mileage;
- Problems with the fuel system are often discussed at specialized forums: injection pump and injectors;
- Saving on lubrication often leads to the replacement of a turbine or hydraulic lifters;
- Monitor the condition of the timing belt, with its breakage, the valves bend and the camshaft breaks;
- Here is a dual-mass flywheel and when it is worn, the crankshaft pulley quickly breaks.
Frequently asked questions about the Volkswagen AHD
How much power does the Volkswagen AHD make?
The Volkswagen AHD develops 102 hp and 250 Nm of torque.
How much oil does the Volkswagen AHD take and which one?
Engine oil capacity: 7.8 liters. Recommended oil: 5W-40.
Does the Volkswagen AHD have a timing belt or chain?
The Volkswagen AHD uses a timing belt.
Is the Volkswagen AHD turbocharged?
Yes, the Volkswagen AHD is turbocharged (BorgWarner K14).
Does the Volkswagen AHD need valve clearance adjustment?
No, the Volkswagen AHD has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Volkswagen AHD last?
The typical lifespan of the Volkswagen AHD is ~450 000 km with proper maintenance.
What is the fuel consumption of the Volkswagen AHD?
Volkswagen LT2 1998: city 11.1, highway 7.4, combined 8.8 L/100 km.
What cars was the Volkswagen AHD installed on?
Volkswagen LT 2 (2D) in 1996 - 1999.
What are the common problems of the Volkswagen AHD?
This diesel engine has a huge resource and worries only at high mileage. Problems with the fuel system are often discussed at specialized forums: injection pump and injectors. All known problems.
