Citroën Xsara
Robust first-generation PSA naturally aspirated engine with belt drive. The head gasket is a known weakness of all TU engines; timing belt replacement every 60,000–90,000 km is mandatory. With consistent maintenance, mileages above 200,000 km are easily achievable.
Dull Frenchman
75 hp in the Xsara — too weak for the compact Frenchman to bring any joy. Reliable, but without any driving pleasure on country roads.
Engine Weaknesses 6
The TU3 is an interference engine — a snapped timing belt inevitably causes piston-to-valve contact and total engine destruction. Replacement interval 60,000–90,000 km or 5 years. Used cars with unknown service history are particularly at risk.
Symptoms: Engine suddenly won't start, loud bang on belt snap, metallic grinding as a precursor when belt is worn
The head gasket on the TU3 engine is a known weak point. Aided by overheating events or age-related material wear, coolant can enter the oil circuit.
Symptoms: White smoke from exhaust, mayonnaise residue on oil cap, coolant loss without visible leak, engine overheating
All TU engines tend to develop a leaking head gasket; by design these have an integrated oil return seal. This typically fails after 100,000–150,000 km — first visible on the left side of the engine above the alternator.
Symptoms: Oil spots on the left side of the engine, sweet coolant smell, dropping coolant level, white exhaust smoke in severe cases
The thermostat frequently sticks in the open position, preventing the engine from reaching operating temperature. Increased fuel consumption and risk of overheating if it sticks in the closed position.
Symptoms: Temperature gauge stays low, heater barely produces heat, increased consumption; rarely also overheating if stuck in closed position
The ignition coils on the TU3 engine are a frequently discussed weak point. Misfires on individual cylinders cause rough running, elevated emissions, and catalytic converter damage.
Symptoms: Stumbling especially at 2,000–3,000 rpm, engine running on three cylinders, engine check light illuminated, fault codes P0300–P0304
Ignition coils on the TU3 are considered the weakest link in the ignition system and fail regularly on older engines. A failed element causes noticeable misfires and can damage the catalytic converter through unburnt fuel.
Symptoms: Hesitation and misfires under load, rough idle, engine warning light, increased fuel consumption
Vehicle Weaknesses 5
On the Xsara the electric thermal switch for the radiator, which should activate the cooling fan when water temperature rises, frequently fails. Without timely fan operation the engine risks overheating.
The Xsara's braking system receives poor marks at MOT inspections: wear and insufficient braking performance are frequently flagged. Handbrake and footbrake performance in particular stand out.
Oil loss at the engine block is a classic Citroën problem that was not resolved in the Xsara. Typical is oil seepage upper right on the engine block from a leaking head gasket — should be checked before purchase.
At 12.8% of all Xsara vehicles presented at the MOT, lighting defects are flagged — the single most common fault. Blown bulbs, corroded sockets, and failed headlight adjusters are typical causes.
The air conditioning on older Xsara models regularly loses refrigerant through aged seals. On vehicles over 10 years old annual top-ups are often necessary. Air conditioning compressors can also cause problems.
