The 2.0-liter Alfa Romeo AR32310 or 2.0 Twin Spark engine was assembled from 2000 to 2010 and installed on the company’s popular models with an index of 147, 156, GTV and the similar Spider. This power unit was essentially a Euro 3 modification of the well-known AR32301 motor.
The Twin Spark line includes: AR32104, AR32201, AR32301, AR32310.
Specifications
| Production years | 2000-2010 |
| Displacement, cc | 1970 |
| Fuel system | distributed injection |
| Power output, hp | 150 |
| Torque output, Nm | 181 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 91 |
| Compression ratio | 10.0 |
| Features | DOHC, VLIM |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | VVT at the intake |
| Turbocharging | no |
| Recommended engine oil | 10W-40 |
| Engine oil capacity, liter | 4.4 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Alfa Romeo 147 2002) — city — highway — combined |
12.1 7.0 8.9 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 170 |
The engine was installed on:
- Alfa Romeo 147 (Type 937) in 2000 – 2010;
- Alfa Romeo 156 (Type 932) in 2000 – 2002;
- Alfa Romeo GTV II (Type 916) in 2000 – 2004;
- Alfa Romeo Spider V (Type 916) in 2000 – 2004.
Disadvantages of the Alfa Romeo AR32310 engine
- The unit is characterized by rapid wear of the cylinder walls and subsequent oil burn;
- Due to the wedging of the hydraulic lifters, the camshaft cams are quickly erased;
- Many problems are caused by sensor failures, especially the mass air flow sensor and crankshaft position sensor;
- Monitor the condition of the balancer belt, if it breaks, it falls under the timing belt;
- The weak points of the engine include the oil pump, the phase regulator and the VLIM system in the intake.
