Dacia Duster
Renault's 1.2-litre turbo engine is notorious for excessive oil consumption and timing chain problems. Excessively wide piston tolerances lead to oil burning that thermally damages the exhaust valves and can ultimately result in total engine failure. Check oil level at least every 2,000 km; inspect thoroughly before purchase.
Problem engine: turbo power in the Duster
125 hp TCe in the Duster — punchy and agile. But the notorious timing chain casts a shadow. Repair costs up to €2,000 are realistic. Known issues make this engine a risk.
Engine Weaknesses 4
Oil return jets to the chain tensioner are undersized and clog. Chain stretch begins from as early as 37,000 km. Multiple replacements documented without a permanent fix.
Symptoms: Oil return jets to the chain tensioner are undersized and clog
Oil consumption up to 1.5 L/1,000 km documented. Piston rings and valve stem seals affected. Classified internally by Renault as a risk engine.
Symptoms: Oil consumption up to 1.5 L/1,000 km documented
Wastegate flap sticks or no longer closes properly. Boost pressure too low or overboost possible. Turbo replacement required.
Symptoms: Wastegate flap sticks or no longer closes properly
Water pump leaks at the shaft seal. Coolant loss can lead to overheating if not caught in time.
Symptoms: Water pump leaks at the shaft seal
Vehicle Weaknesses 9
Axle components on the Duster I are flagged at the very first MOT — the defect rate is five times the average for comparable vehicles. A serious weak point of the first Duster.
A recall was issued for 4×4 models of model years 2010–2011 because snow packing could cause the rear brake lines to burst.
On models produced March to June 2014, rear axle springs were reported that could disengage from their spring seats.
Headlights and rear lights on the Duster I show double-digit defect rates. The low-beam headlights and rear lights in particular are flagged extremely often at MOT.
The Duster I develops increased oil loss already after a few years. Leaks at the engine and gearbox are typical and appear regularly from the fifth year onwards at MOT.
The Duster I air conditioning shows increased failures from around 70,000 km due to compressor damage, refrigerant loss and faulty condensers.
The fuel gauge tends to get stuck in the middle and stops moving despite a full or empty tank. Replacement of the entire fuel sender unit is often required.
The Duster I windscreen is known for frequent cracking, even without direct stone chip impact. Thermal stress and manufacturing tolerances encourage crack formation.
The manual gearbox produces a howling noise at higher speeds (90–120 km/h) in 4th–6th gear. By design due to the internal tooth geometry. A gearbox oil change can reduce the noise.
Reports & Tests
Defect rate rises above 35% on older vehicles. Low beam and tail lights fail five times more often than average. Oil loss and suspension critical.
