The 1.2-liter 16-valve Opel A12XER or LDC engine was produced from 2009 to 2014 and installed on the fourth generation Corsa and the similar Chevrolet Aveo in the back of the T300. There was a derated version of this motor up to 69 hp under the symbol A12XEL or LWD.
A10 family: A12XER, A14XER, A14NET, A16XER, A16LET, A16XHT, A18XER.
Specifications
| Production years | 2009-2014 |
| Displacement, cc | 1229 |
| Fuel system | distributed injection |
| Power output, hp | 85 |
| Torque output, Nm | 115 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 73.4 |
| Piston stroke, mm | 72.6 |
| Compression ratio | 10.5 |
| Features | TwinPort |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | yes |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.0 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Opel Corsa 2012) — city — highway — combined |
6.9 4.4 5.3 |
| Engine lifespan, km | ~240 000 |
| Weight, kg | 100 |
The engine was installed on:
- Opel Corsa D (S07) in 2009 – 2014;
- Chevrolet Aveo T300 in 2011 – 2014.
Disadvantages of the A12XER engine
- The main problem of the engine is the low resource of the timing chain, sometimes less than 100,000 km;
- Twinport dampers last a long time, but if they break, they are very expensive to repair;
- The ignition coils here are combined into a single unit, the reliability of which is low;
- A car may not start well in winter due to a failure of the antifreeze temperature sensor;
- Oil constantly creeps out from under the valve cover and the front crankshaft oil seal.
Frequently asked questions about the Opel A12XER
How much power does the Opel A12XER make?
The Opel A12XER develops 85 hp and 115 Nm of torque.
How much oil does the Opel A12XER take and which one?
Engine oil capacity: 4.0 liters. Recommended oil: 5W-30.
Does the Opel A12XER have a timing belt or chain?
The Opel A12XER uses a timing chain.
Is the Opel A12XER turbocharged?
No, the Opel A12XER is naturally aspirated.
Does the Opel A12XER need valve clearance adjustment?
No, the Opel A12XER has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel A12XER last?
The typical lifespan of the Opel A12XER is ~240 000 km with proper maintenance.
What is the fuel consumption of the Opel A12XER?
Opel Corsa 2012: city 6.9, highway 4.4, combined 5.3 L/100 km.
What cars was the Opel A12XER installed on?
Opel Corsa D (S07) in 2009 - 2014; Chevrolet Aveo T300 in 2011 - 2014.
What are the common problems of the Opel A12XER?
The main problem of the engine is the low resource of the timing chain, sometimes less than 100,000 km. Twinport dampers last a long time, but if they break, they are very expensive to repair. All known problems.





