2009 SEAT Leon 1.9L Diesel · OY09 MFA

A pattern of recurring rear tyre deterioration and front suspension wear dominates the mechanical history of this 2009 SEAT Leon, with the most recent test on 2026-03-20 passing but flagging a frayed offside front seat belt webbing, slightly defective headlamp lenses on both sides, and front brake pads noted as wearing thin. Across seven recorded tests since 2021, the vehicle has accumulated a single failure in March 2023 for fractured nearside and offside rear coil springs and a perished offside front suspension arm ball joint dust cover, alongside an earlier failure in March 2021 for a split offside front outer CV joint boot. The rear coil spring failure is a notable safety-relevant defect, as a fractured spring can migrate and cause a sudden puncture or loss of vehicle control, and the recurring advisories on rear tyre perishing across four consecutive tests from 2022 through 2024 suggest either prolonged exposure to UV and age-related rubber degradation or consistent fitment of tyres unsuited to the operating conditions. The front end has also shown progressive wear, with the suspension arm ball joint dust cover deteriorating from advisory level in 2022 to a major failure category by March 2023, indicating that this joint is now likely approaching or past the point of requiring replacement. With 87,051 miles recorded over approximately seventeen years, annual accumulation averages around 5,121 miles, which is below typical usage for a vehicle of this age and suggests periods of light use or extended standing. Testing intervals have been broadly annual since 2021, indicating the vehicle has remained in regular use during this window, though the relatively low annual mileage means consumables such as brake fluid, coolant, and rubber components may still degrade through age rather than wear. The persistent rear tyre perishing advisories despite limited mileage reinforces the age-driven deterioration of rubber compounds, and items such as the drive shaft boot failure recorded in 2021 are consistent with a vehicle that may have spent time stationary, allowing protective boots to stiffen and crack before being stressed again on the road. For a prospective buyer, particular attention should be paid to the rear suspension on a test drive, as the fractured coil springs recorded in 2023 may have been replaced but the surrounding components, including shock absorbers, mounting plates, and bump stops, warrant inspection for secondary damage or fatigue. Listen for clonking or knocking noises from the rear when traversing uneven surfaces, and check for any uneven ride height or sagging corners, which could indicate that a replacement spring has also failed or that the original damage affected adjacent parts. The offside front suspension arm ball joint history is equally important; even with a new dust cover, the joint itself may have ingested contamination, so any looseness, knocking, or vibration through the steering wheel when cornering or braking would suggest the joint requires replacement. Inspect the front brake discs and pads directly, as the advisory on thin pads at the most recent test implies imminent replacement, and scored or lipped discs would confirm whether the discs must also be renewed. Finally, examine both rear tyres closely for sidewall cracking or perishing regardless of tread depth, verify the offside front seat belt webbing for any fraying beyond the area noted in the advisory, and check the headlamp lenses for condensation or clouding that could affect light output during night driving.