The 1.9-liter 8-valve Audi AJM 1.9 TDI engine was assembled by the concern from 1998 to 2001 and was installed on such popular company models as the A4 B5, A6 C5, as well as Golf 4, Passat B5. This diesel power unit was installed on cars both longitudinally and transversely.
EA188-1.9 family: AJM, ASZ, AUY, AVB, AVF, AWX, AXB, AXC, BKC, BLS, BXE.
Specifications
| Production years | 1998-2001 |
| Displacement, cc | 1896 |
| Fuel system | unit-injectors |
| Power output, hp | 115 |
| Torque output, Nm | 285 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 79.5 |
| Piston stroke, mm | 95.5 |
| Compression ratio | 18.0 |
| Features | SOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | VGT |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 3.6 |
| Fuel type | diesel |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Audi A4 2000) — city — highway — combined |
6.9 4.3 5.2 |
| Engine lifespan, km | ~300 000 |
The engine was installed on:
- Audi A4 B5 (8D) in 1999 – 2001;
- Audi A6 C5 (4B) in 1998 – 2001;
- Volkswagen Bora 1 (1J) in 1998 – 2001;
- Volkswagen Golf 4 (1J) in 1999 – 2001;
- Volkswagen Passat B5 (3B) in 1999 – 2000.
Disadvantages of the Audi AJM engine
- This diesel engine does not tolerate low-quality oil and its resource depends on the quality of the lubricant;
- Bad oil contributes to the wear of hydraulic lifters or camshaft lobes;
- The culprit of the unstable operation of the motor is usually the wedge geometry of the turbine;
- The fastening of the unit-injectors with one bolt can loosen here and leaks appear;
- Also, the network often discusses malfunctions associated with a tandem pump.
Frequently asked questions about the Audi AJM
How much power does the Audi AJM make?
The Audi AJM develops 115 hp and 285 Nm of torque.
How much oil does the Audi AJM take and which one?
Engine oil capacity: 3.6 liters. Recommended oil: 5W-40.
Does the Audi AJM have a timing belt or chain?
The Audi AJM uses a timing belt.
Is the Audi AJM turbocharged?
Yes, the Audi AJM is turbocharged (VGT).
Does the Audi AJM need valve clearance adjustment?
No, the Audi AJM has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi AJM last?
The typical lifespan of the Audi AJM is ~300 000 km with proper maintenance.
What is the fuel consumption of the Audi AJM?
Audi A4 2000: city 6.9, highway 4.3, combined 5.2 L/100 km.
What cars was the Audi AJM installed on?
Audi A4 B5 (8D) in 1999 - 2001; Audi A6 C5 (4B) in 1998 - 2001; Volkswagen Bora 1 (1J) in 1998 - 2001; Volkswagen Golf 4 (1J) in 1999 - 2001; Volkswagen Passat B5 (3B) in 1999 - 2000.
What are the common problems of the Audi AJM?
This diesel engine does not tolerate low-quality oil and its resource depends on the quality of the lubricant. Bad oil contributes to the wear of hydraulic lifters or camshaft lobes. All known problems.





