The 2.4-liter Audi ALF 2.4 V6 engine was produced at the concern’s factories from 1997 to 2000 and was installed on the company’s most popular models of its time: A4 B5, and also A6 C5. This power unit has many analogues under other indices: AGA, APS, AML and ARJ.
EA835 family: ABC, AAH, ALF, BDV, ARE, ACK, ALG, BBJ, ASN.
Specifications
| Production years | 1997-2000 |
| Displacement, cc | 2393 |
| Fuel system | injector |
| Power output, hp | 165 |
| Torque output, Nm | 230 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 30v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 77.4 |
| Compression ratio | 10.5 |
| Features | 2 x DOHC |
| Hydraulic lifters | yes |
| Timing drive | chains & belt |
| Phase regulator | hydraulic chain tensioner |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.0 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Audi A6 1998) — city — highway — combined |
14.0 7.5 9.9 |
| Engine lifespan, km | ~330 000 |
| Weight, kg | 182 |
The engine was installed on:
Disadvantages of the Audi ALF engine
- These engines are quite reliable, the main problems for owners are leaks.
- If the power unit is allowed to overheat, oil and antifreeze leaks will increase significantly.
- Due to poor lubrication, hydraulic lifters and chain tensioners quickly fail.
- At high mileage, the electrician starts to fail regularly: sensors, coils, lambdas.
- Throttle or idle valve contamination is the main cause of floating engine speeds.
Frequently asked questions about the Audi ALF
How much power does the Audi ALF make?
The Audi ALF develops 165 hp and 230 Nm of torque.
How much oil does the Audi ALF take and which one?
Engine oil capacity: 6.0 liters. Recommended oil: 5W-30.
Does the Audi ALF have a timing belt or chain?
Timing drive of the Audi ALF: chains & belt.
Is the Audi ALF turbocharged?
No, the Audi ALF is naturally aspirated.
Does the Audi ALF need valve clearance adjustment?
No, the Audi ALF has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi ALF last?
The typical lifespan of the Audi ALF is ~330 000 km with proper maintenance.
What is the fuel consumption of the Audi ALF?
Audi A6 1998: city 14.0, highway 7.5, combined 9.9 L/100 km.
What cars was the Audi ALF installed on?
Audi A4 B5 (8D) in 1997 - 2000; Audi A6 C5 (4B) in 1997 - 2000.
What are the common problems of the Audi ALF?
These engines are quite reliable, the main problems for owners are leaks. If the power unit is allowed to overheat, oil and antifreeze leaks will increase significantly. All known problems.
