Dacia Duster
Renault's 1.5 dCi diesel engine (K9K) is considered exceptionally long-lived. On the 63 kW variant, watch the high-pressure pump and injectors — early series with Delphi injection were more susceptible. Strictly observe oil change intervals; timing chain lasts a very long time with correct maintenance.
Solid diesel engine
The 1.5 dCi with 86 hp is a proven diesel. Economical, strong on torque and long-lived.
Engine Weaknesses 5
Delphi injection system (pre-2006) is particularly troublesome — injectors worn out by 60,000 km. Siemens system (from 2006) is significantly better.
Symptoms: Delphi injection system (pre-2006) particularly problematic — injectors worn out by 60,000 km
Turbocharger can develop play from 60,000 km, especially with short-trip use and no warm-up. Whistling and smoke as symptoms.
Symptoms: Turbocharger can develop play from 60,000 km
Neglected oil changes can cause connecting rod bearing failure — catastrophic engine damage. Regular oil changes every 15,000 km are non-negotiable.
Symptoms: Neglected oil changes can cause connecting rod bearing failure — catastrophic engine damage
DPF clogs when the car is used mostly for short trips. Regeneration fails, engine power is reduced. Regular motorway runs help.
Symptoms: DPF clogs with predominantly short-trip use
EGR valve gets coked up with soot, especially in city traffic. Power loss and increased emissions. Cleaning every 60,000 km recommended.
Symptoms: EGR valve sooted up, especially in city traffic
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.
