2009 Jaguar XF 3.0L Diesel · CV09 WDK

A mechanical profile of marginal compliance characterises this Jaguar XF, with the test record showing a fragile relationship with roadworthiness standards. Two of the four documented tests resulted in failures, while the remaining two passes were achieved without recorded advisories. Most concerning is the pattern within a single year: the vehicle failed on 10 July 2023, was retested and passed just two days later on 12 July 2023, then failed again less than twelve months later on 18 June 2024. A repeated pass-fail sequence over consecutive attempts suggests borderline condition items that can swing either way depending on preparation, and the absence of any advisory notes across all four tests is unusual for a vehicle of this age, raising the possibility that advisories were either resolved promptly or that minor defects are being overlooked between tests. Against the backdrop of seventeen years on the road and 135,720 recorded miles, the vehicle averages approximately 7,984 miles annually, which sits broadly in line with typical usage for its vintage. The recorded mileage progression implies regular rather than occasional use, which mechanically should have produced a more substantial advisory trail as suspension components, brake assemblies, and underbody protection approach the end of their functional life on a vehicle of this age and mileage. The notable absence of corrosion advisories, suspension bush wear notes, or exhaust and brake disc advisories across a seventeen-year-old luxury saloon with this mileage is atypical and warrants close physical inspection, as the test centre may not have flagged deterioration that a specialist Jaguar inspection would identify. For a prospective buyer, the immediate priority is establishing why the 2024 test resulted in a failure with no defects recorded, as this would normally correspond to categories such as tyres, braking efficiency, emissions, or lighting. Requesting the full failure sheet from the test station is essential to understand which system dropped below threshold. Beyond the documented history, a thorough physical examination should focus on the well-known weak points of the XF platform: the front lower wishbone front bush, upper wishbone rear bush, and anti-roll bar drop links, which commonly deteriorate on high-mileage examples. Listen for clonking or knocking over uneven road surfaces, particularly from the front end, and feel for vagueness or delay in steering response. Inspect the rear subframe mounting areas and the exhaust system carefully, as corrosion here frequently develops unseen and can compromise structural integrity on vehicles of this age. On a test drive, pay particular attention to brake pedal feel and effectiveness, as the recent failure history raises questions about the condition of the discs, pads, and potentially the calipers or flexible hoses. Any pulling to one side under braking, a spongy pedal, or judder through the steering would indicate the braking system requires immediate attention. Listen for transmission irregularities, particularly any shunt or delay on part-throttle application, as the ZF automatic fitted to these vehicles can develop torque converter and mechatronic issues at this mileage. Finally, check for oil leaks from the engine sump, timing cover, and power steering system, and inspect the coolant expansion tank and radiator for signs of leakage, as the AJ-V8 engines fitted to this generation are known for cooling system and sealing wear as they accumulate high mileage. A pre-purchase inspection by a Jaguar specialist is strongly recommended given the ambiguous test history and the vehicle's age and mileage combination.