From 2000 to 2005, the Opel Y20DTH or LBS 2.0-liter diesel engine was manufactured and fitted to the company’s well-known models, including the Astra, Vectra, Signum, and Zafira. This power unit was basically an X20DTH index Euro 3 version of the popular motor.
The engines Y17DT, Y22DTH, and Y22DTR are also members of the Y family.
The engine was mounted on:
- Opel Astra G (T98) in 2000 – 2004;
- Opel Signum A (Z03) in 2003 – 2004;
- Opel Vectra B (J96) in 2000 – 2002; Vectra C (Z02) in 2002 – 2004;
- Opel Zafira A (T98) in 2000 – 2005.
Specifications
| Production years | 2000-2005 |
| Displacement, cc | 1995 |
| Fuel system | direct injection |
| Power output, hp | 101 |
| Torque output, Nm | 230 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 84 |
| Piston stroke, mm | 90 |
| Compression ratio | 18.5 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | yes |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | diesel |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Opel Zafira 2004) — city — highway — combined |
8.0 5.3 6.3 |
| Engine lifespan, km | ~320 000 |
| Weight, kg | 190 |
Disadvantages of the Y20DTH engine
There is a connection between the Bosch VP44 injection pump failures and the engine’s primary issues;
The electrical component typically malfunctions, such as when the control transistor burns out;
The oil may mix with diesel fuel because the gaskets beneath the nozzles are drying out;
Swirl flaps in the intake manifold wedge are caused by oily deposits; additionally, remember to clean the EGR valve and particulate filter on a regular basis.