2005 Toyota Yaris 1.3L Petrol · FN05 MPY

A chronic advisory on the nearside rear shock absorber has been the defining mechanical theme of this Yaris's recent MOT history, first noted in January 2023 and recurring at the April 2023 test alongside a separate oil leak advisory. Light misting on a rear damper is not a failure point in isolation, but its repeat appearance over successive tests is a useful early warning that the unit is beginning to weep and will eventually require replacement. The April 2023 pass, with no advisories outstanding beyond these two items, shows a vehicle that is fundamentally roadworthy but is entering the phase of its life where original suspension dampers are reaching the end of their service life. Earlier in 2023 the car also failed on a non-functioning nearside stop lamp and an offside headlamp not working on dipped beam, both of which are straightforward electrical items rather than indicators of broader wiring faults. The January 2022 failure, comprising a non-compliant front registration plate, an inoperative nearside front position lamp, ineffective windscreen wipers, and an unlit registration plate lamp, was similarly the result of neglected basic maintenance rather than any structural or mechanical deterioration, and the vehicle passed later the same day once these items were addressed. Against an age of around twenty-one years, the recorded mileage of 63,212 miles equates to roughly 3,010 miles per year, which is notably low and is characteristic of a vehicle that has seen predominantly short journeys and urban use. There are gaps between tests of over twelve months, most notably between January 2022 and January 2023, which raises the possibility that the car has spent extended periods laid up. Low annual mileage reduces wear on major drivetrain components and helps preserve the engine and transmission, yet it carries its own mechanical consequences: short journeys rarely allow the oil to reach full operating temperature, accelerating internal corrosion, and prolonged standing encourages moisture ingress into brake calipers, leading to seizing, as well as drying and cracking of rubber components throughout the underbody and suspension. The combination of confirmed light use and visible oil weeps around the rear damper and engine suggests that age-related seal degradation is a more pressing concern than outright component wear from high mileage. For a prospective buyer, the immediate priority is a close inspection of the rear suspension, beginning with the nearside shock absorber itself; look for fresh oil staining on the body of the damper and on the surrounding spring seat, as continued misting since April 2023 will have progressed and may now be heavy enough to constitute a failure. The opposite rear shock should be examined in the same manner, as paired replacement is advisable once one unit begins to fail. On a test drive, pay particular attention to the ride quality over undulating roads and speed humps, listening for clonking or knocking from the rear axle which would suggest worn bushes or top mounts, and feeling for excessive floatiness or poor damping over successive bumps which points to a fatigued damper. The recorded oil leak should also be investigated, ideally by placing the car over an inspection pit or on a ramp, checking the engine block, sump, and cam covers for the source of the seep and assessing whether it is the static residue from a past gasket failure or an active leak that will worsen. Beyond the flagged items, a test drive should include a firm check of the brakes, as low-mileage Yaris calipers are prone to binding and corroding, particularly at the rear. From a rolling start at low speed, apply the brakes firmly and listen for any scraping or grinding that could indicate a seized caliper preventing a pad from releasing, and note any pulling to one side which would suggest uneven pad wear or a sticking slide pin. Inspect the underside carefully for any surface corrosion on brake lines, suspension arms, or the rear axle beam, as twenty-one years of British winters will have taken a toll even on a sparingly used vehicle. Verify operation of all exterior bulbs, including the registration plate illumination and front position lamps, given their recent history of failure, and confirm that both front wipers clear the screen without smearing. Finally, check for any signs of rodent damage under the bonnet, as extended periods of standing in a garage or driveway make older vehicles particularly vulnerable to chewed wiring and air intake hoses, which would explain intermittent electrical issues that do not show on a single MOT snapshot.