2004 Volkswagen Passat 1.9L Diesel · LL04 RCY

A pattern of front suspension wear and structural corrosion dominates the mechanical history of this 2004 Volkswagen Passat, with the most recent test on 26 February 2025 passing only after advisories were logged for both nearside and offside front suspension arm pins or bushes showing wear, alongside a notice of oil misting from the engine. The earlier 2024 cycle reveals how quickly that suspension issue progressed: the vehicle passed clean on 27 March 2024, but had failed only one month prior on 27 February 2024 with a Major defect for an excessively worn offside front suspension arm ball joint, indicating the component was already bordering on failure during that earlier inspection. Deeper into the record, the 2021 test cycle is particularly instructive, as the vehicle initially failed on 23 February 2021 with three Major defects covering an inoperative central parking brake on one side, a nearside rear passenger door that could not be opened from outside, and a split nearside front outer CV joint boot, before passing four days later with advisories highlighting corrosion on both the rear and front subframes, an oil leak, a torn offside rear coil spring lower seating gasket, and an offside rear tyre worn on its edge. Taken together, these entries demonstrate a vehicle with recurring chassis, suspension, and underbody corrosion issues rather than a consistently clean roadworthiness record. Across twenty-two years on the road and 134,392 recorded miles, the Passat has been driven at an average of roughly 6,100 miles per year, which sits close to the typical annual accumulation for a vehicle of this age and suggests reasonably steady use rather than extended periods standing idle or unusually high motorway mileage. The MOT testing pattern shows annual checks in 2021, 2022, 2023, and 2025, with a notable absence of a recorded test in 2024 between the February failure and the March pass, and the absence of any recorded test in 2020, which combined with the subframe corrosion advisories logged in 2021 may indicate a period of limited use. For a front-wheel-drive Passat of this generation and mileage, the recorded usage profile is consistent with moderate mechanical wear on consumables such as brake discs, pads, tyres, and drive shafts, with the specific defects already recorded confirming that the front suspension, underbody, and drivetrain seals have already absorbed a significant portion of that wear. A prospective buyer should treat the front suspension as the primary inspection priority, given that the most recent test recorded wear on both arm pins or bushes and that a Major defect for a worn ball joint was issued in early 2024. On a test drive, listen for clonking or knocking noises from the front wheels when traversing speed humps, rough tarmac, or potholes, and pay particular attention to any vagueness or rattle through the steering when turning at low speed, as these are classic symptoms of worn lower arm bushes, drop links, and ball joints on a B5.5 or B6 Passat. Inspect the offside and nearside front suspension arms visually for perished or cracked rubber bushes, and check that the ball joints do not display any vertical play when the wheel is levered with a pry bar or by hand. Also examine the offside rear coil spring lower seating area for any further deterioration beyond the torn gasket previously noted, and listen for any rear suspension knocking that could indicate a broken spring or worn spring seat. The subframe corrosion flagged in 2021 should be the second priority, as both front and rear subframes were noted as corroded at that point and corrosion of this nature tends to progress over time rather than resolve itself. During a physical inspection, crawl underneath the vehicle or use a torch to examine the subframe mounting points, suspension strut towers, and any brake or fuel pipe runs for visible scale, flaking metal, or perforation, and tap suspect areas gently with a screwdriver to test structural integrity. The recorded oil leak from 2021, combined with the engine oil misting advisory in 2025, suggests an active engine oil weep that may now be more developed, so check the underside of the engine and bellhousing for fresh oil accumulation and inspect the condition of the cam chain cover, sump, and front crankshaft seal. Finally, verify the full function of the central parking brake on both sides given the 2021 Major defect for one-sided inoperative operation, ensuring that the lever pulls up with adequate resistance and that both rear wheels hold the vehicle on an incline, and confirm that the nearside rear passenger door opens correctly from the exterior handle and that the nearside front CV joint boot is intact and free of grease contamination.