2004 Toyota Yaris 1.3L Petrol · ML04 AAE

The most recent MOT assessment from July 2025 indicates a pass, but the vehicle's maintenance trend shows signs of emerging mechanical neglect rather than a stable or improving pattern. While the vehicle successfully cleared its previous failures, the recurrence of specific advisories and the appearance of a new minor defect suggest that component degradation is progressing. Of particular concern is the transition from a windscreen wiper failure in the previous test to a new minor defect regarding a severely deteriorated nearside drive shaft constant velocity boot. This indicates that while immediate safety failures are being addressed, the vehicle is beginning to accumulate wear-related issues that could lead to more costly repairs if left unmonitored. The recorded mileage of 48,956 miles is exceptionally low for a 2004 model, averaging approximately 2,225 miles per year. While low mileage generally implies less wear on the engine and drivetrain, such infrequent usage often presents specific risks associated with long periods of standing. Vehicles that are driven rarely are prone to rubber component perishing, fluid degradation, and corrosion of braking components due to lack of regular thermal cycling and mechanical movement. The MOT history confirms this suspicion, with multiple advisories regarding tyre cracking and perishing, which is a classic symptom of age-related degradation in low-usage vehicles where the rubber loses its elasticity over time. Prospective buyers must pay close attention to the suspension and drivetrain components during a test drive. The advisory regarding the front anti-roll bar linkage pin or bush suggests that the vehicle may exhibit knocking or clunking noises when traversing uneven road surfaces or during cornering. Furthermore, the severely deteriorated nearside drive shaft constant velocity boot is a critical item; if this boot splits further, grease will escape and grit will enter the joint, leading to premature failure of the drive shaft. Listen for rhythmic clicking or popping sounds when turning the steering wheel under load, as this is a primary symptom of a failing CV joint. Additionally, the recorded fault with the supplementary restraint system warning lamp in the 2025 failure must be verified as fully rectified, as an illuminated SRS light indicates a malfunction in the airbag or seatbelt pretensioner systems. Given the low annual mileage, a thorough physical inspection of all consumables is mandatory. Check the sidewalls of all tyres for deep cracking or perishing, as even if tread depth is sufficient, aged rubber can fail structurally. Inspect the brake discs for heavy surface corrosion or pitting, which can occur if the car has sat stationary for long periods, and ensure the calipers are not binding. It is also advisable to verify the service history to ensure that time-based maintenance, such as oil changes and brake fluid flushes, has been performed according to the calendar rather than just mileage intervals. Finally, check the condition of the battery and the integrity of all rubber hoses and belts, as these components often degrade due to age regardless of how little the vehicle has been driven.