The 2.0-liter V6 turbo engine Alfa Romeo AR34102 was produced in Arese from 1998 to 2002 and was installed in the executive model 166, which is very popular in the European market. A similar power unit was installed on the GTV coupe and Spider convertible under the AR16202 index.
Busso V6 family: AR34102, AR32405, AR67301, AR16105.
Specifications
| Production years | 1998-2002 |
| Displacement, cc | 1996 |
| Fuel system | distributed injection |
| Power output, hp | 205 |
| Torque output, Nm | 285 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 80 |
| Piston stroke, mm | 66.2 |
| Compression ratio | 8.0 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | Garrett TB2538 |
| Recommended engine oil | 10W-40 |
| Engine oil capacity, liter | 6.1 |
| Fuel type | petrol |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Alfa Romeo 166 2000) — city — highway — combined |
17.6 8.3 11.9 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 185 |
The engine was installed on:
- Alfa Romeo 166 (Type 936) in 1998 – 2002.
Disadvantages of the Alfa Romeo AR34102 engine
- Most of the problems here are caused by air leaks through cracks in the nozzles.
- This leads not only to floating engine speeds, but also to overheating of the power unit.
- Another weak point of the motor include valve guides and a belt tensioner.
- The use of bad oils reduces the life of the turbine and crankshaft liners.
- Also a lot of trouble is associated with regular oil and coolant leaks.
Frequently asked questions about the Alfa Romeo AR34102
How much power does the Alfa Romeo AR34102 make?
The Alfa Romeo AR34102 develops 205 hp and 285 Nm of torque.
How much oil does the Alfa Romeo AR34102 take and which one?
Engine oil capacity: 6.1 liters. Recommended oil: 10W-40.
Does the Alfa Romeo AR34102 have a timing belt or chain?
The Alfa Romeo AR34102 uses a timing belt.
Is the Alfa Romeo AR34102 turbocharged?
Yes, the Alfa Romeo AR34102 is turbocharged (Garrett TB2538).
Does the Alfa Romeo AR34102 need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Alfa Romeo AR34102 last?
The typical lifespan of the Alfa Romeo AR34102 is ~200 000 km with proper maintenance.
What is the fuel consumption of the Alfa Romeo AR34102?
Alfa Romeo 166 2000: city 17.6, highway 8.3, combined 11.9 L/100 km.
What cars was the Alfa Romeo AR34102 installed on?
Alfa Romeo 166 (Type 936) in 1998 - 2002.
What are the common problems of the Alfa Romeo AR34102?
Most of the problems here are caused by air leaks through cracks in the nozzles. This leads not only to floating engine speeds, but also to overheating of the power unit. All known problems.





