Opel · Corsa D · 2006-2014
Opel Corsa D 1.2 Twinport specs and common problems
A small hatchback popular in the city. The Z12XEP engine uses a timing chain, and chain stretch is the best-known problem. If you hear a few seconds of rattle on first start, don't wait. The Twinport flap also fails often.
01 / 07
How much oil does the Corsa D 1.2 Twinport take?
The Corsa D 1.2 Twinport takes about 3.5 litres of 5W-30 engine oil including the filter. Approval to look for on the bottle: GM dexos2 / GM-LL-A-025.
- Approval
- GM dexos2 / GM-LL-A-025
- Alternative
- 10W-40 (high mileage)
- Manual 5-speed
- 75W-85 GL-4 · ≈ 1.6 L
- Coolant
- Dex-Cool (OAT) 50/50 · ≈ 5.6 L
- Brake fluid
- DOT 4
02 / 07
Timing chain and maintenance
No replacement interval; replaced when stretch symptoms appear
A metallic rattle on cold start is the first sign of chain stretch. Chain, tensioner and guides are replaced as a set.
- Oil change
- 15,000 km or once a year (10,000 km is safer for the chain)
- Spark plug
- Gap ≈ 1.0 mm · 60,000 km (30,000 km on LPG)
- Valves / tappets
- Hydraulic tappets, no periodic adjustment needed.
- Air filter
- 30,000 km
- Power
- 80 hp @ 5,600 rpm
- Torque
- 110 Nm @ 4,000 rpm
- Displacement
- 1,229 cc
- Fuel
- Petrol · Naturally aspirated
- Valvetrain
- DOHC 16V, Twinport
- Injection
- Multi-point sequential injection (MPI)
- Transmission
- 5-speed manual / 5-speed semi-automatic (Easytronic)
- Emissions
- Euro 4
03 / 07
Tyre size and pressure
- Original size
- 185/65 R15
- Alternative sizes
- 185/70 R14 · 195/55 R16
- Bolt pattern (PCD)
- 4x100
- Centre bore
- 56.6 mm
- Wheel
- 6J x 15 ET39
04 / 07
Is the Corsa D 1.2 Twinport suitable for LPG?
Sequential LPG system
- Toroidal tank
- 560/200 toroidal tank, ≈ 34 L gross
- Because the engine is small, the loss of power on LPG is clearly noticeable.
- Chain and Twinport problems may appear sooner with LPG; check the engine's condition before installation.
05 / 07
Corsa D 1.2 Twinport common problems and fixes
- #01
Timing chain stretch
High Risk80,000-150,000 km
- Symptom:
- Rattle on cold start, P0016, rough idle.
- Cause:
- Long oil change intervals and a worn chain tensioner.
- Proper fix:
- The chain, tensioner and guide kit are replaced. If left, the chain can jump a tooth.
- #02
Twinport flap failure
Medium RiskAfter 100,000 km
- Symptom:
- Loss of power, rough idle, check engine light.
- Cause:
- The flap mechanism in the intake manifold sooting up or breaking.
- Proper fix:
- The Twinport actuator/manifold is repaired or replaced.
- #03
Ignition coil failure
Medium RiskAt any mileage
- Symptom:
- Misfiring, check engine light.
- Cause:
- The coil pack cracking due to heat.
- Proper fix:
- The coil pack and spark plugs are replaced.
06 / 07
Common fault codes on the Corsa D 1.2 Twinport
07 / 07
Frequently asked questions
How much engine oil does the Corsa D 1.2 Twinport take?
The Corsa D 1.2 Twinport (Z12XEP) takes about 3.5 litres of engine oil including the filter. Recommended viscosity is 5W-30; look for the GM dexos2 / GM-LL-A-025 approval. Check the level on the dipstick after filling.
When should the timing chain on the Corsa D 1.2 Twinport be replaced?
This engine uses a timing chain. No replacement interval; replaced when stretch symptoms appear. A metallic rattle on cold start is the first sign of chain stretch. Chain, tensioner and guides are replaced as a set.
What tyre pressure should the Corsa D 1.2 Twinport run?
With the original 185/65 R15 tyres, 32 PSI front and 29 PSI rear are recommended at normal load, and 35 front / 38 rear at full load. The exact values are on the door pillar or fuel flap sticker.
Is the Corsa D 1.2 Twinport suitable for LPG?
Conditionally suitable. Because the engine is small, the loss of power on LPG is clearly noticeable.
What are the common problems of the Corsa D 1.2 Twinport?
The best-known problems are: Timing chain stretch, Twinport flap failure, Ignition coil failure. The symptoms and fix for each are explained on this page.
Other Opel models
Values are approximate and may vary by engine and VIN. Check against your service manual before doing any work. ·