2015 Ford Transit 2.2L Diesel · YS65 OKK

The 2015 Ford Transit has presented a pattern of recurring mechanical advisories over its eleven-year history, with particularly persistent issues centred on brake pipe corrosion affecting both front and rear sides across multiple service intervals. Despite passing the most recent MOT examination on 2026-02-05, the vehicle carries active advisories including corroded front and rear brake pipes, a worn front suspension arm pin or bush, and previously a major engine malfunction together with an electronic stability control warning. The overall trajectory suggests an underlying structural weakness in the brake line assembly that has recurred despite intervening successful tests, while the suspension system shows signs of progressive wear that did not fully resolve between the 2024 and 2025 assessments. At 97,237 miles and approximately 11 years old, the vehicle accumulates roughly 8,840 miles annually, which aligns with normal usage expectations for its age and places the odometer in the mid-range of typical fleet mileage profiles for this model. The absence of issues between the 2024 and 2025 MOTs indicates stable operation during that period, but the 2022 failure—marked by a major engine malfunction, an electronic stability control warning lamp, and extensive brake pipe corrosion—followed by two clean passes in early 2023 through 2025 suggests the problem was intermittent rather than systemic. The 2019 spare tyre advisory, occurring nearly three years before the current period, hints at possible prior underuse or prolonged storage conditions that may have accelerated certain component degradation cycles. On a test drive, the front brake pipes should be inspected for visible corrosion, leaks, or bulging that could affect hydraulic pressure and cause a spongy or pulsating brake pedal response, especially when applying firm stops on concrete surfaces. The front suspension arm and its associated bush should be checked for excessive play, grinding noises over pavement irregularities, or uneven wheel movement that would indicate the worn component mentioned in the 2026 MOT report. A quick visual and tactile check of the escape system wiring harness and connector clips will confirm whether the 2022 warning lamp recurrence is due to a persistent leak or a separate electrical fault. Additionally, listening for any clunking or skipping over speed bumps would help assess the condition of the suspension bushings. Given the confirmed corrosion on both front and rear brake pipes, the primary recommendation is to have the entire brake line system professionally flushed and replaced if necessary to eliminate contamination and prevent future leakage. The front suspension arm and pin/bushing should undergo a full replacement to restore proper geometric alignment and eliminate potential chassis flex. The engine's minor malfunction in December 2022 warrants a diagnostic scan to identify whether the issue was related to fuel delivery, ignition timing, or sensor-related, ensuring the powertrain remains reliable. Finally, verifying tyre tread depth and sidewall condition against the 2019 advisory will help determine if additional investment is needed in the rubber compound before committing to purchase.