2006 Ford Transit Connect 1.8L Diesel · LB06 YNF

A pattern of progressive structural and underbody corrosion dominates the mechanical history of this 2006 Ford Transit Connect, with each annual test revealing new areas of concern. The most recent assessment on 17 June 2026 resulted in a pass, but only after a failure the previous day flagged a dangerous nearside front tyre below the 1.6mm tread limit and a major defect on the offside front outer sill, where corrosion had compromised structural rigidity significantly. Reviewing earlier tests shows a clear worsening trajectory: the 2025 pass followed a failure for excessive corrosion at both rear suspension component mounting prescribed areas, and the 2024 test noted corrosion at both rear inner sill structures alongside corroded rear brake pipes. Across three consecutive years, advisories for corroded brake pipes throughout, a minor exhaust gas leak, and a non-excessive oil leak have remained constant, indicating chronic underbody deterioration typical of a working van exposed to winter road salts over two decades. Recorded mileage of 66,946 miles across approximately 20 years equates to a very low annual accumulation of around 3,347 miles, suggesting either sporadic commercial use, extended periods of inactivity, or light-duty operation since new. Such low usage typically results in reduced wear on major drivetrain components such as the clutch, gearbox, and engine internals, but the extended standing periods characteristic of low-mileage vans can accelerate corrosion through trapped moisture in box sections and underseal cavities, which aligns directly with the structural and brake pipe deterioration seen across the MOT record. The mileage is consistent from test to test with no recorded anomalous jumps, indicating that the odometer reading is likely representative rather than the result of clocking. Given the corrosion trend, a prospective buyer should arrange a thorough inspection of the vehicle on a ramp, paying particular attention to the front outer sills, inner rear quarter panels, and all suspension mounting points where the MOT history has flagged structural weakening. Corroded brake pipes covered in grease or other material were noted across multiple tests, which is a common cosmetic concealment on commercial vehicles; the actual condition of the steel underneath should be physically checked for perforation, particularly along the running gear and rear axle lines. Listen for any knocking or clonking from the rear suspension over uneven surfaces, as corroded mounting areas can compromise bush integrity and component alignment, and inspect the front tyres closely for uneven inner-edge wear which can indicate suspension geometry affected by structural distortion. On the road, test the braking system thoroughly and feel for any sponginess or excessive pedal travel, which could indicate a compromised brake pipe weeping fluid rather than the greasy coating seen at MOT. Start the engine from cold and observe the exhaust for any visible haze or audible blowing from the joint areas, since the advisory for a minor exhaust gas leak has persisted across all three test cycles and may have progressed. Check the engine bay and undertray for fresh oil residue or wet patches indicating that the persistent oil leak has worsened, particularly around the engine sump, rocker cover, and oil filter housing. Finally, verify that the timing belt, clutch operation, and gearbox behaviour feel consistent with the low indicated mileage, as long periods of standing can mask internal wear in seals and synchronisers that only become apparent once the vehicle is returned to regular use.