The 1.9-liter Alfa Romeo 937A5000 or Alfa Romeo 156 1.9 JTD engine was produced from 2003 to 2010 and was installed on many popular concern models, such as Alfa Romeo 147, 156 and GT. Also, this diesel unit can be found under the hood of the second generation Fiat Stilo or Bravo.
Multijet I family: 199A2000, 199A3000, 186A9000, 192A8000, 937A5000, 839A6000, 939A3000.
Specifications
| Production years | 2003-2010 |
| Displacement, cc | 1910 |
| Fuel system | Common Rail |
| Power output, hp | 150 |
| Torque output, Nm | 305 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 82 |
| Piston stroke, mm | 90.4 |
| Compression ratio | 17.5 |
| Features | DOHC, intercooler |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | Garrett GT1749V |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.7 |
| Fuel type | diesel |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Alfa Romeo 156 Crosswagon 2005) — city — highway — combined |
8.3 4.9 6.1 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 186 |
The engine was installed on:
- Alfa Romeo 147 (Type 937) in 2005 – 2008;
- Alfa Romeo 156 (Type 932) in 2004 – 2007;
- Alfa Romeo GT II (Type 937) in 2003 – 2010;
- Fiat Bravo II (198) in 2007 – 2008;
- Fiat Stilo I (192) in 2005 – 2008.
Disadvantages of the Alfa Romeo 937A5000 engine
- The most notorious problem with this diesel is falling intake flaps;
- The exhaust manifold also causes a lot of problems, it either moves away or cracks;
- The heat exchanger is constantly leaking here or the antifreeze supply pipes are bursting;
- The Bosch fuel system is reliable, only the pressure regulator often fails;
- The weak points of the engine include the generator, the EGR valve and the crankshaft damper pulley.
