2004 Volkswagen Transporter 2.5L Diesel · YN04 HKA

The most recent MOT inspection on 13 January 2026 resulted in a pass, but the vehicle's recent history indicates a concerning downward trend in structural and mechanical integrity. While the 2024 inspection was clean, the subsequent 2025 failure revealed significant issues regarding serious corrosion to the rear suspension arms and brake pipework. The transition from minor advisories in 2023 to major structural failures in 2025 suggests that corrosion is progressing rapidly across the underside of the chassis. Although the most recent test passed, the presence of worn tyres on both front corners indicates that maintenance is currently reactive rather than preventative, following a period of significant component degradation. With a recorded mileage of 147,778 over approximately 22 years, this Transporter has covered an average of roughly 6,700 miles per year. This represents relatively light usage for a commercial vehicle of this type, which can be a double-edged sword. While it implies less wear on the engine and drivetrain compared to high-mileage counterparts, lower annual usage often correlates with longer periods of standing. In the context of this specific vehicle, the MOT history strongly suggests that infrequent use has allowed moisture and road salt to accelerate oxidation and corrosion on the suspension components and brake lines. The mechanical wear is likely concentrated on rubber components and seals rather than high-mileage engine fatigue. A prospective buyer must exercise extreme caution regarding the vehicle's structural health. The 2025 failure for seriously weakened near-side and off-side rear lower suspension arms is a critical red flag. You must inspect the underside thoroughly for heavy scale or bubbling paint, which indicates deep-seated structural corrosion. During a test drive, listen closely for any knocking, clunking, or heavy thudding from the rear axle, which would indicate that the previously replaced or repaired suspension arms are failing or that associated bushes are perished. Furthermore, the history of corroded brake pipes and hoses means you should check for any signs of weeping fluid around the calipers or a spongy, inconsistent brake pedal feel, which could indicate internal degradation of the hydraulic system. Additional attention should be paid to the front end and tyre condition. The most recent advisory regarding worn tyres on the edges suggests potential issues with wheel alignment or suspension geometry, possibly linked to the previous track rod end failure. Check the tyre sidewalls for uneven wear patterns and ensure the steering feels centered and free of oscillations at cruising speeds. Given the history of a deteriorated constant velocity boot, inspect the driveshafts for any grease leakage or clicking noises when turning the steering wheel to full lock. Finally, because the vehicle has been used sparingly, verify that the service history includes regular fluid changes, as brake fluid and coolant can degrade chemically over time regardless of the low mileage recorded.