The 2.0-liter Chevrolet Z20S1 or Z20DM or LMN engine was produced from 2006 to 2011 and was installed on such popular concern models as the Lacetti or Captiva. This diesel engine was developed by the Italian company VM Motori and has its own index RA 420 SOHC 16V.
Z (GM Korea) family: Z20S, Z20S1, Z20D1, Z22D1.
Specifications
| Production years | 2006-2011 |
| Displacement, cc | 1991 |
| Fuel system | Common Rail |
| Power output, hp | 121 – 127 |
| Torque output, Nm | 280 – 300 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92 |
| Compression ratio | 17.5 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | VGT |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.2 |
| Fuel type | diesel |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Chevrolet Lacetti 2008) — city — highway — combined |
7.1 4.8 5.7 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 200 |
The engine was installed on:
- Chevrolet Captiva C100 in 2006 – 2010;
- Chevrolet Lacetti J200 in 2007 – 2011;
- Opel Antara in 2006 – 2010.
Disadvantages of the Z20S1 engine
- Like any modern Common Rail diesel, this unit does not like bad fuel;
- Fuel injectors turned out to be especially sensitive to low-quality diesel fuel;
- The timing belt resource is about 60,000 km, and when it breaks, the valve almost always bends.
Frequently asked questions about the Chevrolet Z20S1
How much power does the Chevrolet Z20S1 make?
The Chevrolet Z20S1 develops 121 - 127 hp and 280 - 300 Nm of torque.
How much oil does the Chevrolet Z20S1 take and which one?
Engine oil capacity: 6.2 liters. Recommended oil: 5W-30.
Does the Chevrolet Z20S1 have a timing belt or chain?
The Chevrolet Z20S1 uses a timing belt.
Is the Chevrolet Z20S1 turbocharged?
Yes, the Chevrolet Z20S1 is turbocharged (VGT).
Does the Chevrolet Z20S1 need valve clearance adjustment?
No, the Chevrolet Z20S1 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Chevrolet Z20S1 last?
The typical lifespan of the Chevrolet Z20S1 is ~400 000 km with proper maintenance.
What is the fuel consumption of the Chevrolet Z20S1?
Chevrolet Lacetti 2008: city 7.1, highway 4.8, combined 5.7 L/100 km.
What cars was the Chevrolet Z20S1 installed on?
Chevrolet Captiva C100 in 2006 - 2010; Chevrolet Lacetti J200 in 2007 - 2011; Opel Antara in 2006 - 2010.
What are the common problems of the Chevrolet Z20S1?
Like any modern Common Rail diesel, this unit does not like bad fuel. Fuel injectors turned out to be especially sensitive to low-quality diesel fuel. All known problems.
