The Omega, Signum, and Vectra C were equipped with the 3.2-liter V6 engine of the Opel Y32SE or LA3, which was manufactured in England between 2001 and 2005. It was already under the Z32SE index during the switch to Euro 4. This engine from Irmscher has a compressor modification that produces 300 horsepower and 370 Nm of power.
Y26SE and Y32SE are included in the Y line.
Specifications
| Production years | 2001-2005 |
| Displacement, cc | 3175 |
| Fuel system | distributed injection |
| Power output, hp | 211 – 218 |
| Torque output, Nm | 290 – 300 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 87.5 |
| Piston stroke, mm | 88 |
| Compression ratio | 10.0 |
| Features | VIS |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.75 |
| Fuel type | petrol |
| Euro standards | EURO 3/4 |
| Fuel consumption, L/100 km (for Opel Omega 2001) — city — highway — combined |
16.9 8.9 11.8 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 202 |
The engine was installed on:
- Opel Omega B (V94) in 2001 – 2003;
- Opel Signum A (Z03)* in 2003 – 2005;
- Opel Vectra C (Z02)* in 2002 – 2005.
* – under the index Z32SE.
Disadvantages of the Y32SE engine
An unreliable crankcase ventilation system is the root cause of many issues with engines in this series.
The constantly leaking heat exchanger is another flaw in the motors in this series.
The oil pump’s performance declines as it approaches 250,000 kilometers, which increases the risk of overturning.
The cooling system will rapidly blow through the cylinder head gaskets if it overheats, so keep an eye on it.
Crankshaft position sensors, lambda probes, and ignition coils are also frequently changed.