MultiAir actuator ('brick') failure
Signs: Misfire, rough idle, engine light, runs on 3 cylinders
Fix: Replace MultiAir unit; use correct 5W-40 oil
2010–2020
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Alfa Romeo Giulietta was built from 2010 to 2020.
For this generation we cover 3 engines and 8 known faults, each with the mileage range where it usually appears.
The most expensive known risk is TCT / DCT actuator & clutch: it usually appears at 60,000–160,000 km and costs €800–2,200 to fix.
In UK roadworthiness tests in 2024, at 100–150 thousand km this model most often failed on: lights, wipers and visibility (15.0 %), suspension (11.1 %), tyres and wheels (9.3 %). It fails less often than average on: body and corrosion.
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| 1.4 T-Jet / MultiAir (turbo) | Petrol | Belt · 120,000 km | 5W-40 · Fiat 9.55535-S2 · ~3.9 L · every 15,000 km |
| 1.75 TBi | Petrol | Chain | — |
| 1.6 / 2.0 MultiJet II (JTDm / DDiS) | Diesel | Belt · 120,000 km | 5W-30 · Fiat 9.55535-S1 · ~4.2–4.9 L · every 15,000 km |
Signs: Misfire, rough idle, engine light, runs on 3 cylinders
Fix: Replace MultiAir unit; use correct 5W-40 oil
Signs: Loss of power
Fix: Replace actuator or hoses
Signs: Rattle on cold start, timing codes
Fix: Replace chain kit and variator
Signs: 'Change oil' warning, oil level above max
Fix: Change oil earlier; avoid only short trips
Signs: Power loss, DPF light
Fix: Clean or replace
Signs: Noise from belt area
Fix: Replace with the belt kit
Signs: Slipping, high bite point
Fix: Replace clutch kit
Signs: Jerky shifts, gearbox warning
Fix: Actuator / clutch replacement
Intervals and typical prices for the 1.4 T-Jet / MultiAir (turbo) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 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 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 25,638 tests.
| thousand km | 0–50 | 50–100 | 100–150 | 150–200 | 200–250 | 250+ |
|---|---|---|---|---|---|---|
| Brakes | 1.2 % | 3.8 % | 5.9 % | 8.0 % | 8.9 % | 10.2 % |
| Suspension | 1.1 % | 5.4 % | 11.1 % | 16.4 % | 19.0 % | 22.2 % |
| Steering | 0.1 % | 0.1 % | 0.3 % | 0.4 % | 0.7 % | 0.2 % |
| Tyres and wheels | 4.4 % | 7.2 % | 9.3 % | 11.0 % | 11.9 % | 15.2 % |
| Lights, wipers and visibility | 5.3 % | 9.5 % | 15.0 % | 20.1 % | 22.6 % | 25.9 % |
| Body and corrosion | 0.4 % | 1.3 % | 2.0 % | 3.2 % | 3.4 % | 4.0 % |
| Exhaust, emissions and leaks | 1.0 % | 1.5 % | 3.3 % | 5.2 % | 7.2 % | 8.4 % |
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. 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 07/10/2026