2021 Renault Trucks Master 35 LWB 2.3L Diesel · FH21 SDV

A pattern of recurring electronic and steering faults dominates the MOT record, with the Engine Management Light rendered inoperative on both the 2024‑08‑23 and 2025‑07‑31 tests and persistent play noted in the inner joints of the steering rack on each inspection. The same tests also flagged a slightly noisy off‑side rear wheel bearing and a modest front oil leak, while the rear brake disc was recorded as worn and pitted. These repeated advisories, coupled with two outright failures for the engine MIL, indicate that the vehicle has not yet resolved its primary electronic and steering concerns despite passing on the subsequent retests. At 409,449 mi for a 2021 model, the vehicle averages roughly 81,900 mi per year – a mileage level far above typical commercial‑van usage. Such a high annual accumulation accelerates wear on consumables and load‑bearing components, meaning that suspension bushings, drivetrain joints, brake discs and bearings are likely to be approaching the end of their service lives. The MOT history shows no long gaps between tests, suggesting the vehicle has been kept on the road continuously rather than stored, which further compounds cumulative wear. For a prospective buyer, the engine MIL fault warrants a full diagnostic scan to retrieve any stored fault codes and to confirm whether the issue has been rectified or remains latent; a persistent MIL can mask underlying sensor failures, wiring faults or ECU problems that may affect performance or emissions. The steering rack inner joint play should be assessed by feeling for any looseness, uneven steering effort or knocking when turning the wheel at low speed; excessive play may require rack bushings or joint replacement. The off‑side rear wheel bearing’s slight noise should be verified by listening for a humming or growling at cruising speeds and by checking for any vibration transmitted through the chassis, as bearing wear can progress rapidly under high mileage. The front oil leak, though described as non‑excessive, should be inspected for drips on the engine bay floor and for any drop in oil level, with particular attention to the valve cover gasket and oil filter housing seals. Given the high mileage and the documented electronic and steering issues, a comprehensive pre‑purchase inspection is essential. Examine the rear brake discs for remaining thickness and surface integrity, and verify that the pads are within safe limits. Inspect all suspension components—control arm bushes, coil springs and shock absorbers—for signs of fatigue or corrosion, especially around the rear axle where the bearing noise was noted. Confirm that any remedial work after the MOT failures has been recorded and that the vehicle runs without warning lights, abnormal noises or steering pull during a thorough test drive before committing to purchase.