1993 Jaguar XJ 4.0L Petrol · K164 DNM

Recurring issues with suspension components, wheel bearings, and underbody sealing characterise the mechanical history of this vehicle, which passed its latest test on 10 December 2025. The record shows a persistent pattern of corrosion on the coil springs and ongoing play in the wheel bearings, alongside a notable trend of applying underbody sealant. While the most recent result indicates a pass, the history reveals significant structural and mechanical interventions, including a major failure in June 2023 for corroded front coil springs and a previous failure in January 2022 involving exhaust emissions and power steering rack leaks. The presence of underbody sealant, noted in both 2024 and 2025, suggests an attempt to manage corrosion, but it also serves to obscure the actual condition of the chassis and brake pipes from visual inspection. The vehicle has covered 237,912 miles over its 33-year lifespan, averaging approximately 7,209 miles per year. This mileage accumulation is consistent with typical usage for a vehicle of this age. Such a steady rate of use suggests that components have been subjected to regular mechanical cycles rather than long periods of stagnation, which can often lead to perished rubber or seized components. However, the cumulative mileage combined with the recorded history of oil and hydraulic seepage means that drivetrain and suspension components have undergone significant long-term wear. A physical inspection and test drive should focus heavily on the suspension and steering systems due to the repeated advisories regarding coil spring corrosion and wheel bearing play. Listen for knocking or clunking noises when driving over uneven surfaces, which could indicate worn suspension bushes or weakened springs. During the test drive, pay close attention to any humming or grinding noises that increase with vehicle speed, as these are common symptoms of the wheel bearing play noted in multiple tests between 2019 and 2023. Additionally, monitor the steering for any wandering or uneven pull, particularly given the previous advisories regarding power steering pump seepage and rack leaks. The use of underbody sealant requires particular caution, as it can hide structural degradation or the condition of critical brake pipes. While the 2024 test noted a repaired nearside rear vehicle structure, the obscured view makes it difficult to assess the current state of the subframe or chassis integrity. Check for any signs of fresh fluid leaks around the engine and power steering components, as the record shows a history of front oil leaks and hydraulic seepage. Finally, ensure the exhaust system is functioning correctly without excessive smoke or odour, following the previous failure related to carbon monoxide emissions.