The 1.9-liter diesel engine Opel Z19DT or 1.9 CDTi was produced from 2004 to 2010 and was installed on such popular models of the German concern as Astra, Vectra or Zafira. This 8-valve engine was created by Fiat and was installed on Saab under its D207E index.
Z diesel family: Z13DTJ, Z13DTH, Z17DTH, Z19DT, Z19DTH.
Specifications
| Production years | 2004-2010 |
| Displacement, cc | 1910 |
| Fuel system | Common Rail |
| Power output, hp | 120 |
| Torque output, Nm | 280 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 82 |
| Piston stroke, mm | 90.4 |
| Compression ratio | 18.0 |
| Features | SOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | Garrett GT1749MV |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 4.6 |
| Fuel type | diesel |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Opel Vectra 2007) — city — highway — combined |
7.4 4.7 5.9 |
| Engine lifespan, km | ~340 000 |
| Weight, kg | 180 |
The engine was installed on:
- Opel Astra H (A04) in 2005 – 2010;
- Opel Signum A (Z03) in 2004 – 2008;
- Opel Vectra C (Z02) in 2004 – 2008;
- Opel Zafira B (A05) in 2005 – 2010.
Disadvantages of the Z19DT engine
- This is a simple and reliable engine, as it does not have problematic swirl flaps;
- The weak point of the Bosch Common Rail fuel system is the metering valve;
- At high mileage, nozzles often begin to pour, but usually they are repaired;
- The turbine is resource here, except that the blades of geometry change coke and wedge;
- The exhaust manifold may crack or deform around the 4th cylinder.
Frequently asked questions about the Opel Z19DT
How much power does the Opel Z19DT make?
The Opel Z19DT develops 120 hp and 280 Nm of torque.
How much oil does the Opel Z19DT take and which one?
Engine oil capacity: 4.6 liters. Recommended oil: 5W-40.
Does the Opel Z19DT have a timing belt or chain?
The Opel Z19DT uses a timing belt.
Is the Opel Z19DT turbocharged?
Yes, the Opel Z19DT is turbocharged (Garrett GT1749MV).
Does the Opel Z19DT 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 Opel Z19DT last?
The typical lifespan of the Opel Z19DT is ~340 000 km with proper maintenance.
What is the fuel consumption of the Opel Z19DT?
Opel Vectra 2007: city 7.4, highway 4.7, combined 5.9 L/100 km.
What cars was the Opel Z19DT installed on?
Opel Astra H (A04) in 2005 - 2010; Opel Signum A (Z03) in 2004 - 2008; Opel Vectra C (Z02) in 2004 - 2008; Opel Zafira B (A05) in 2005 - 2010.
What are the common problems of the Opel Z19DT?
This is a simple and reliable engine, as it does not have problematic swirl flaps. The weak point of the Bosch Common Rail fuel system is the metering valve. All known problems.
