2003 Volkswagen Passat 1.9L Diesel · OU03 MKA

The most recent MOT, carried out on 21 February 2026, was passed but returned two advisories – a slight play in the off‑side front lower suspension arm ball‑joint and corrosion on the rear brake pipe on both sides. Over the past four years the vehicle has alternated between passes and failures, with major suspension ball‑joint failures recorded in early 2025 and a repeated failure of the off‑side front headlamp and side‑repeaters in early 2024. Although the latest test succeeded, the pattern shows a gradual accumulation of wear rather than an improvement, indicating that underlying component degradation has not been fully addressed. With 268,549 miles recorded on a 23‑year‑old Passat the average annual mileage works out at roughly 11,600 mi, which sits within a normal usage envelope for a vehicle of this age. The absolute mileage is nevertheless high, meaning that wear items such as bushings, suspension arms, brake discs, clutch components and engine bearings will be well into their service lives. The relatively modest yearly average suggests that the car may have spent periods standing idle, which can exacerbate corrosion of brake lines, rust on suspension pivots and the perishing of rubber components such as tyre sidewalls and seals. A prospective buyer should give the front lower ball‑joints a thorough inspection, feeling for any excess play on both sides and listening for clunking when the steering wheel is rocked at a standstill. The rear brake pipes, noted as corroded and greased, should be examined for pitting, rust‑through or fluid leakage, and the brake calipers checked for uneven piston movement. Both rear coil springs have been recorded as corroded; visual inspection for rust, cracks or loss of spring rate is essential, and any sign of deformation should prompt replacement. The axle swivel pins and bushes on both front and rear have been flagged as slightly worn, so a test‑drive should include a close listen for knocking or binding when negotiating bumps, and a visual check for excessive play in the rear axle housings. The recurring oil leak, though described as non‑excessive, warrants locating the source – whether a valve cover gasket, oil filter housing or crankcase seal – and confirming that the leak does not threaten the engine oil level or lead to fire hazards. Light failures are numerous: the off‑side front headlamp, side‑repeaters, multiple position lamps and the rear registration plate lamp have all been flagged; ensure all exterior lighting operates correctly, as failures can mask more serious electrical faults. The windscreen contains several stone chips; verify that none have progressed to cracks that could compromise structural integrity. Given the vehicle’s age, the buyer should also assess age‑related items independent of the MOT record. Examine all tyres for sidewall cracking, dry rot or uneven wear, especially the near‑side rear tyre which was previously close to the legal tread limit and contained a nail; replace any tyre showing age‑related degradation even if the tread depth appears adequate. Check the 12‑volt battery for sulphation and confirm it holds charge, as prolonged standing can reduce battery life. Inspect the exhaust system for rust holes and ensure the catalytic converter is intact, as emissions performance can deteriorate with age. Finally, verify that the service book contains stamps for regular oil and filter changes, timing‑belt or chain service (if applicable), and that coolant, brake and gearbox fluids have been refreshed within the recommended intervals; fluid condition can be a reliable indicator of overall maintenance discipline on a high‑mileage, long‑standing vehicle.