Photo: OSX, Public domain, via Wikimedia Commons
5 faults documented by at least two sources, listed by version then by mileage at onset when known.
5 known faults
Caradisiac reports coolant leaks linked to the water pump. Roulez Jeunesse cites a faulty water pump on the 1.4 T-Jet petrol and 1750 TBi engines.
The wires running through the tailgate break from repeated opening and closing, causing rear wiper or rear light failures, or lighting warning messages (AlfaOwner and Alfa-giulietta.net forums). Forum sources.
On 1.4 MultiAir engines, owners report failures of the MultiAir unit (misfiring, limp mode), mostly on early units, often handled under warranty (PistonHeads). Oil that does not meet the required specification or delayed oil changes are cited as aggravating factors (CarChecker, GiuliaForums). Sources are forums and a commercial site.
Caradisiac reports coolant leaks linked to the water pump. Roulez Jeunesse cites a faulty water pump on the 1.4 T-Jet petrol and 1750 TBi engines.
The wires running through the tailgate break from repeated opening and closing, causing rear wiper or rear light failures, or lighting warning messages (AlfaOwner and Alfa-giulietta.net forums). Forum sources.
From 40,000 km
The TCT dual-clutch gearbox can jerk or refuse to engage a gear, from 40,000 to 60,000 km according to Autodoc. Owners describe jerking when cold on the 1st-to-2nd shift, and repairs to the gearbox control unit or actuator (Caradisiac forum). Sources are mostly from forums.
On 1.4 MultiAir engines, owners report failures of the MultiAir unit (misfiring, limp mode), mostly on early units, often handled under warranty (PistonHeads). Oil that does not meet the required specification or delayed oil changes are cited as aggravating factors (CarChecker, GiuliaForums). Sources are forums and a commercial site.
Caradisiac reports coolant leaks linked to the water pump. Roulez Jeunesse cites a faulty water pump on the 1.4 T-Jet petrol and 1750 TBi engines.
The wires running through the tailgate break from repeated opening and closing, causing rear wiper or rear light failures, or lighting warning messages (AlfaOwner and Alfa-giulietta.net forums). Forum sources.
The wires running through the tailgate break from repeated opening and closing, causing rear wiper or rear light failures, or lighting warning messages (AlfaOwner and Alfa-giulietta.net forums). Forum sources.
From 40,000 km
The TCT dual-clutch gearbox can jerk or refuse to engage a gear, from 40,000 to 60,000 km according to Autodoc. Owners describe jerking when cold on the 1st-to-2nd shift, and repairs to the gearbox control unit or actuator (Caradisiac forum). Sources are mostly from forums.
Caradisiac reports a few cases of premature flywheel failure on the 2.0 JTDm 140 and 170 diesels, which also requires replacing the clutch, though this is not widespread. One such account appears on Fiches-auto (2.0 JTD 140).
The wires running through the tailgate break from repeated opening and closing, causing rear wiper or rear light failures, or lighting warning messages (AlfaOwner and Alfa-giulietta.net forums). Forum sources.
An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.
Compare prices of parts for the Alfa Romeo Giulietta III (timing, brakes, filters) to estimate the repairs to plan for.