2009 Volkswagen Passat 2.0L Diesel · CP59 TMV

Persistent corrosion on the rear subframe and multiple suspension components represents the primary mechanical concern for this vehicle, as these issues have appeared consistently across several years of testing. The most recent MOT on 16 September 2023 shows a pass, yet the record highlights a recurring pattern of structural and suspension wear, including advisories for a corroded rear subframe, corroded suspension arms, and worn anti-roll bar linkages and bushes. This trend of progressive corrosion and bushing wear, combined with a significant failure in May 2023 involving inoperative engine management lights and dangerous tyre tread depths, suggests a vehicle that requires close monitoring of its structural integrity and underbody condition. The recorded mileage of 185,376 miles over approximately 17 years equates to an average annual usage of roughly 10,904 miles, which is consistent with typical long-term driving patterns for a vehicle of this age. This level of mileage implies that components such as the suspension bushings, shock absorbers, and drivetrain elements have undergone significant cycles of use. While the mileage does not indicate extreme high-speed or heavy-duty commercial use, the accumulation is sufficient to necessitate regular inspection of wear-prone items like the suspension linkages and steering components, which are already reflected in the advisory history. A prospective buyer should pay particular attention to the underside of the vehicle during a physical inspection, specifically looking for the extent of the corrosion on the rear subframe and suspension arms. While the 2023 advisory noted the corrosion was not seriously weakened, the recurrence of this note since at least 2021 indicates a continuing process. During a test drive, listen for knocking or clunking noises when driving over uneven surfaces or speed bumps, which could indicate that the worn anti-roll bar linkages or suspension arm bushes have progressed beyond the current advisory status. Additionally, pay attention to any steering pull or instability, which may be linked to the previously flagged wear in the front inner rearmost suspension arm pins and bushes. The history also notes a light oil misting on the nearside front shock absorber from the May 2023 test, so it is essential to visually inspect the shock absorbers for any signs of active leaking or significant dampness. Any significant fluid loss from the dampers could lead to compromised ride quality and handling. Furthermore, because the engine malfunction indicator lamp (MIL) was flagged as inoperative during a 2023 failure, it is vital to ensure that the dashboard warning lights function correctly and that no engine management faults are present, as an inoperative MIL can mask serious underlying engine or emissions issues.