2002 Saab 9-5 2.2L Diesel · YD52 NDN

Structural integrity and braking system reliability present the most significant mechanical risks for this vehicle, following a failed MOT on 25 April 2025 due to insufficient parking brake efficiency. The inspection history reveals a recurring pattern of corrosion issues affecting the outer sills and suspension mounting points, alongside repeated failures related to fuel and brake pipe degradation. While there have been periods of passing with only minor advisories, the trend shows persistent concerns regarding the vehicle's chassis strength and the condition of its hydraulic lines, which have previously resulted in major failures for excessive corrosion and leaks. The vehicle has covered 180,646 miles over its 24-year lifespan, averaging approximately 7,527 miles per year. This usage pattern is consistent with typical annual accumulation for a vehicle of this age. From a mechanical standpoint, this level of mileage suggests that while the vehicle has not been subjected to extreme high-speed motorway transit, the cumulative wear on consumable components such as suspension bushes, ball joints, and drive shaft boots is expected. The steady mileage accumulation means that components subject to friction and environmental exposure are likely reaching the end of their functional lifespans. Prospective buyers should pay close attention to the chassis and underbody, specifically the nearside rear outer sill and suspension mounting areas which have been flagged for corrosion across multiple years. A thorough inspection of the brake lines and fuel pipes is essential, given the previous major failures for excessive corrosion and leaks near the fuel tank. During a test drive, listen for any knocking or clunking sounds from the suspension, particularly around the nearside rear upper arm and the offside front ball joints, which have been noted for wear and play in previous records. The drive shaft and tyre condition also require immediate scrutiny. The most recent record notes a severely deteriorated nearside front constant velocity boot and tyres worn close to the legal limit on both rear corners. On a test drive, listen for rhythmic clicking or popping noises when turning the steering wheel at low speeds, which could indicate failure of the CV joints. Additionally, check for any pulling to one side or uneven tyre wear, which may stem from the previously advised suspension bush wear and the deteriorating condition of the steering and suspension linkages.