2006 Ford Transit 2.2L Diesel · NG56 BYP

Widespread and progressive structural corrosion defines the mechanical history of this vehicle, with a trend of deteriorating metalwork culminating in the December 2025 test. While the vehicle passed its most recent inspection, the advisories now explicitly flag corrosion across the underbody, inner and outer sills, inner and outer arches, chassis, subframes, and front coil springs. This follows a long-term pattern of structural concerns and brake pipe corrosion first noted in 2019, alongside a persistent oil leak recorded across multiple years. The recorded mileage of 147,410 miles over approximately twenty years represents a typical annual accumulation of roughly 7,370 miles. This level of usage suggests a steady wear pattern on the drivetrain and consumables. However, the presence of extensive underbody corrosion and the previous application of underseal, as noted in 2021, indicates that the vehicle's physical condition is more heavily influenced by environmental exposure or operational conditions than by the total distance travelled. A physical inspection should focus heavily on the structural integrity of the sills and arches, as well as the condition of the chassis and subframes, to determine the extent of the metal loss. During a test drive, listen for knocking or clunking sounds over uneven surfaces, which would correlate with the previously flagged wear in the front suspension arm bushes and the offside front anti-roll bar linkage. The front coil springs should be visually inspected for heavy scaling or fractures given their recorded corrosion. Attention must be paid to the braking system and engine seals. The history of corroded brake pipes, which were previously noted as being covered in grease to mitigate oxidation, requires a thorough check for leaks or bulging under pressure. The recurring advisory for an oil leak since 2019 necessitates a detailed inspection of the engine bay and the underside of the sump for active seepage. Finally, check for any steering pull or pedal judder that may indicate the current state of the brake pads and suspension components.