2006 Lexus RX400H 3.3L Petrol · GF56 EOJ

Structural and mechanical integrity of this Lexus RX400h has remained consistent over the last four years, with the vehicle achieving a clean pass on 12 June 2026. While the history shows a cluster of significant failures in early 2023 involving wheel bearings, seat belt integrity, and tyre structural failure, these issues were addressed and rectified within a short period, leading to a stable record of compliance in subsequent annual inspections. The transition from a series of major and dangerous defects to a clean test status suggests that the specific mechanical faults identified in 2023 were effectively resolved rather than temporarily patched. Accumulating 181,234 miles over two decades results in an average annual usage of approximately 9,062 miles, which is consistent with typical long-term operation for a vehicle of this class. The steady mileage progression indicates that the vehicle has been in regular use throughout its life, avoiding the risks associated with extended periods of inactivity, such as seized brake components or perished rubber seals. However, at this mileage threshold, the drivetrain and chassis components have been subjected to significant cycles of thermal expansion and road vibration, necessitating a thorough examination of high-wear items that do not always manifest as immediate MOT failures. Given the previous failures involving both nearside and offside rear wheel bearings, a test drive should focus on identifying any lingering noise or vibration from the rear axle. Listen closely for a low-pitched drone or grinding sound that increases in volume with road speed, particularly when cornering, as this is a primary indicator of bearing wear that may have progressed since the last inspection. Additionally, because the vehicle previously required attention to the rear seat belt webbing, ensure that all rear seat belts extend and retract smoothly without fraying or resistance, and verify that the locking mechanism engages firmly under sharp deceleration. The age and mileage of this chassis also warrant a physical inspection of the suspension and braking systems beyond the scope of a standard MOT. While the recent tests have been clean, check for any clunking or knocking noises when navigating uneven surfaces, which could indicate worn suspension bushes or drop links that are approaching the end of their service life. During the test drive, apply the brakes firmly from moderate speed to check for pedal pulsation or steering wheel vibration, which would suggest uneven wear or warping of the brake discs, a common occurrence on heavier hybrid vehicles where the regenerative braking system interacts with traditional friction-based components.