The 2.4-liter Opel C24NE or LU6 engine was produced by the company from 1988 to 1995 and was installed on the largest models of the concern such as Omega or the Frontera SUV. This power unit is not related to the C20NE, as it was created on the basis of the old 1.6N engine.
C20/30 family: C20NE, C20XE, C20LET, C24NE, C30SE.
Specifications
| Production years | 1988-1995 |
| Displacement, cc | 2410 |
| Fuel system | distributed injection |
| Power output, hp | 125 |
| Torque output, Nm | 195 |
| Cylinder block | cast iron R4 |
| Block head | cast iron 8v |
| Cylinder bore, mm | 95 |
| Piston stroke, mm | 86 |
| Compression ratio | 9.2 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.5 |
| Fuel type | petrol |
| Euro standards | EURO 1 |
| Fuel consumption, L/100 km (for Opel Frontera 1993) — city — highway — combined |
14.6 8.4 11.3 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 155 |
The engine was installed on:
- Opel Frontera A (U92) in 1991 – 1995;
- Opel Omega A (V87) in 1988 – 1993.
Disadvantages of the C24NE engine
- This engine is exceptionally hardy and has no pronounced weaknesses;
- Only lubrication leaks and burnout of the exhaust manifold gasket can be called frequent;
- The timing chain here is stretched and needs to be replaced at a run of about 300 thousand kilometers;
- From low-quality oil, hydraulic lifters often fail and begin to knock;
- On specialized forums, they sometimes complain about oil getting into the cooling system.
Frequently asked questions about the Opel C24NE
How much power does the Opel C24NE make?
The Opel C24NE develops 125 hp and 195 Nm of torque.
How much oil does the Opel C24NE take and which one?
Engine oil capacity: 6.5 liters. Recommended oil: 5W-30.
Does the Opel C24NE have a timing belt or chain?
The Opel C24NE uses a timing chain.
Is the Opel C24NE turbocharged?
No, the Opel C24NE is naturally aspirated.
Does the Opel C24NE need valve clearance adjustment?
No, the Opel C24NE has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel C24NE last?
The typical lifespan of the Opel C24NE is ~400 000 km with proper maintenance.
What is the fuel consumption of the Opel C24NE?
Opel Frontera 1993: city 14.6, highway 8.4, combined 11.3 L/100 km.
What cars was the Opel C24NE installed on?
Opel Frontera A (U92) in 1991 - 1995; Opel Omega A (V87) in 1988 - 1993.
What are the common problems of the Opel C24NE?
This engine is exceptionally hardy and has no pronounced weaknesses. Only lubrication leaks and burnout of the exhaust manifold gasket can be called frequent. All known problems.
