Camshaft phaser (variator) failure
usually 80,000–160,000 km · Medium risk
Signs: Rattle / diesel-like noise, P0016–P0017 codes
Fix: Replace phasers and solenoids
€400–900
Engine: common problems, timing drive and oil
1.6 / 1.8 16v Ecotec (Opel Family 1: Z16XER / Z18XER)
Petrol · 1,598 / 1,796 cm³ · 77–103 kW
13
model generations
4
known faults
305,000
new cars in the EU (2010–2025)
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
Fuel: Petrol. Timing drive: belt · 120,000 km / every 96 mo.
In our database this engine is fitted to 13 model generations, among them: Opel Astra J, Opel Mokka / Mokka X, Opel Zafira B, Chevrolet Cruze, Opel Insignia A, Opel Zafira Tourer C and 7 more.
The most expensive known risk is camshaft phaser (variator) failure: it usually appears at 80,000–160,000 km and costs €400–900 to fix.
Key facts
| Fuel | Petrol |
|---|---|
| Displacement | 1,598 / 1,796 cm³ |
| Power | 77–103 kW |
| Years | 2004–2017 |
| Timing drive | Belt · 120,000 km / every 96 mo |
| Oil | 5W-30 · dexos2 · ~4.5 L · every 15,000 km |
| Engine codes | Z16XEP, Z16XER, A16XER, A16XEP, Z18XER, A18XER, F16D4, F18D4, 2H0, Z16XE1 |
Known engine faults
Faults that belong to the engine itself. They apply to every model with this engine, and each model has its own extra faults on its model page.
Ignition module (cassette)
usually 80,000–160,000 km · Medium risk
Signs: Misfire; oil from the cam cover gasket in plug wells
Fix: Replace module and cam cover gasket
€150–400
Thermostat housing / coolant leaks
usually 80,000–160,000 km · Medium risk
Signs: Coolant loss, overheating
Fix: Replace housing
€150–350
Oil cooler housing seal (oil in coolant)
usually 100,000–200,000 km · Medium risk
Signs: Oil in the expansion tank
Fix: Replace oil cooler seals
€200–500
Engine-related service
Intervals and typical prices, using the Opel Astra J as an example. The app gives the exact plan for your car.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Timing belt kit + water pumpEngine | every 120,000 km or every 96 months | €450–900 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
Models with this engine
Model generations this engine is fitted to.
Chevrolet Aveo 2011–2015Chevrolet Cruze 2009–2015Chevrolet Orlando 2011–2015Chevrolet Trax 2013–2015Opel Astra H 2004–2010Opel Astra J 2009–2015Opel Insignia A 2008–2017Opel Meriva A 2003–2010Opel Mokka / Mokka X 2012–2019Opel Signum 2003–2008Opel Vectra C 2002–2008Opel Zafira B 2005–2014Opel Zafira Tourer C 2011–2019
Common questions
Does the 1.6 / 1.8 16v Ecotec (Opel Family 1: Z16XER / Z18XER) engine have a timing chain or a timing belt?
Belt · 120,000 km / every 96 mo.
What oil does the 1.6 / 1.8 16v Ecotec (Opel Family 1: Z16XER / Z18XER) engine take?
5W-30 · dexos2 · ~4.5 L · every 15,000 km.
What are the known problems with the 1.6 / 1.8 16v Ecotec (Opel Family 1: Z16XER / Z18XER) engine?
The faults with the highest risk: camshaft phaser (variator) failure (80,000–160,000 km, €400–900); oil cooler housing seal (oil in coolant) (100,000–200,000 km, €200–500); ignition module (cassette) (80,000–160,000 km, €150–400); thermostat housing / coolant leaks (80,000–160,000 km, €150–350).
Which cars have the 1.6 / 1.8 16v Ecotec (Opel Family 1: Z16XER / Z18XER) engine?
Opel Astra J, Opel Mokka / Mokka X, Opel Zafira B, Chevrolet Cruze, Opel Insignia A, Opel Zafira Tourer C and 7 more.
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026