The 2.4-liter Opel Z24SED or LD9 engine was produced from 2006 to 2011 and was installed on two popular concern crossovers – Opel Antara and Chevrolet Captiva. This power unit was the heir to the engines of the 70s, but with a completely new cylinder head.
Z family: Z20LET, Z22SE, Z22YH, Z24SED, Z28NET, Z32SE.
Specifications
| Production years | 2006-2011 |
| Displacement, cc | 2405 |
| Fuel system | distributed injection |
| Power output, hp | 136 |
| Torque output, Nm | 220 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 87.5 |
| Piston stroke, mm | 100 |
| Compression ratio | 9.6 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.5 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Opel Antara 2008) — city — highway — combined |
12.3 7.3 9.6 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 155 |
The engine was installed on:
- Opel Antara A (L07) in 2006 – 2010;
- Chevrolet Captiva C100 in 2006 – 2011.
Disadvantages of the Z24SED engine
- The motor has no problems with reliability, the only negative is that it is afraid of the cold;
- Owners usually complain about high fuel consumption and strong vibrations at work;
- The rear crankshaft oil seal has a low resource, it often flows already at 70,000 km;
- According to the manual, the timing belt is changed at 120,000 km, but I advise you to halve the interval;
- The remaining breakdowns are associated with oil leaks and a clogged crankcase ventilation system.
Frequently asked questions about the Opel Z24SED
How much power does the Opel Z24SED make?
The Opel Z24SED develops 136 hp and 220 Nm of torque.
How much oil does the Opel Z24SED take and which one?
Engine oil capacity: 4.5 liters. Recommended oil: 5W-30.
Does the Opel Z24SED have a timing belt or chain?
The Opel Z24SED uses a timing belt.
Is the Opel Z24SED turbocharged?
No, the Opel Z24SED is naturally aspirated.
Does the Opel Z24SED need valve clearance adjustment?
No, the Opel Z24SED has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel Z24SED last?
The typical lifespan of the Opel Z24SED is ~400 000 km with proper maintenance.
What is the fuel consumption of the Opel Z24SED?
Opel Antara 2008: city 12.3, highway 7.3, combined 9.6 L/100 km.
What cars was the Opel Z24SED installed on?
Opel Antara A (L07) in 2006 - 2010; Chevrolet Captiva C100 in 2006 - 2011.
What are the common problems of the Opel Z24SED?
The motor has no problems with reliability, the only negative is that it is afraid of the cold. Owners usually complain about high fuel consumption and strong vibrations at work. All known problems.





