2005 Isuzu Rodeo 3.0L Diesel · DG05 AEY

The most recent DVSA examination on 25 February 2026 recorded a PASS, although this should be viewed in the context of the immediately preceding test on 18 February 2026 which resulted in a FAIL with three Major defects, namely an inoperative or malfunctioning engine management indicator lamp (MIL), an inability to test brake performance, and an offside rear fog lamp that was not working. The MIL issue is particularly significant as it suggests an active engine management or emissions fault that was subsequently rectified prior to the pass, but its reappearance cannot be ruled out given the vehicle's age and mileage. The brake performance test failure is a notable concern, as it implies a potential hydraulic issue, seized or binding calipers, a brake servo deficiency, or excessive pad or disc wear that prevented a valid assessment at the time. When reviewing the broader pattern across 2024 and 2025, the same advisories regarding engine oil leaks and deteriorating registration plates have appeared at every test, alongside recurring suspension-related advisories for worn upper arm pins or bushes, front anti-roll bar linkage and bush wear, and prop shaft bearing play, indicating a gradual but consistent worsening of mechanical condition rather than any clear improvement. The persistent accumulation of front suspension advisories over consecutive tests suggests progressive wear that may soon cross the threshold into failure territory. The recorded mileage of 285,762 miles over approximately 21 years equates to an annual average of around 13,608 miles, which is notably high for the vehicle's age and indicates sustained heavy use rather than periods of standing. There are no significant gaps in the annual MOT history that would suggest long inactive periods, and the consistent yearly testing pattern confirms continuous operation. High accumulated mileage of this nature has clear mechanical implications for a 2005 Isuzu Rodeo, particularly with regard to the wear rate of major drivetrain components including the clutch, gearbox synchros, transfer box, and differential assemblies, as well as the engine itself, where internal components such as piston rings, turbo bearings (where fitted), timing chain tensioners, and crankshaft seals will have endured considerable thermal and mechanical cycling. The continued recurrence of oil leak advisories at every test since at least 2024 further reinforces the likelihood that engine and ancillary seals are reaching the latter stages of their service life, with the source potentially being cam seals, rear main seals, valve cover gaskets, or sump gasket interfaces. A prospective buyer should pay particular attention to the front suspension assembly given the recurring advisories relating to the nearside front upper arm pin or bush, the front anti-roll bar D bushes, and the anti-roll bar linkage ball joint. On a test drive, listen for clonking or knocking noises over uneven surfaces, speed humps, and during low-speed direction changes, as these are classic symptoms of worn suspension bushes and ball joints. The vehicle should also be inspected for uneven or feathered tyre wear across both axles, particularly on the front pair, which would confirm suspension geometry irregularities stemming from the worn components. Inspect all visible bushes by hand for perishing, cracking, and excessive play, and check that the anti-roll bar linkages move freely without slackness. Given the 2026 Major failure for brake performance, the braking system warrants thorough inspection including the condition and wear of all four brake pads and discs, the operation of the calipers to ensure none are seized or binding, the integrity and age of the flexible brake hoses for any cracking or bulging, and the brake fluid itself, which should be tested for moisture content and may require replacement regardless due to its hygroscopic nature over many years of service. A firm, responsive brake pedal with no sponginess and the vehicle pulling up straight under heavy braking are essential observations. Beyond the recorded advisories, several age and mileage related checks are strongly advised for a vehicle of this profile and vintage. The prop shaft bearing play noted in 2025 should be re-examined, as universal joints and centre bearings deteriorate progressively and can generate driveline vibrations, particularly noticeable at certain road speeds or during acceleration and deceleration. Both front wheel bearings were flagged with slight play in 2024 and should be checked for any progression, typically presenting as a humming or droning noise that changes with vehicle speed and may alter on left or right-hand turns. Tyres should be examined closely for sidewall cracking and perishing common to older rubber compounds, even if tread depth remains adequate, and the manufacturing date codes on the sidewalls should be verified to ensure none are excessively aged. The 12V battery should be load tested as batteries in vehicles of this age frequently fail without warning, particularly after periods of short-trip use. All fluid services including engine coolant, brake fluid, power steering fluid, transmission oil, transfer box oil, and differential oil should be verified as recently renewed in accordance with manufacturer schedules. A compression test or at minimum an oil pressure check would be prudent given the cumulative mileage, and any signs of excessive smoke from the exhaust, coolant loss, or unexplained oil consumption should be thoroughly investigated before purchase. Finally, the structural integrity of the chassis, rear axle, and suspension mounting points should be examined for corrosion, particularly in areas where the oil leak may have been depositing contaminants over an extended period.