2015 Citroen C4 Grand Picasso 1.6L Diesel · LB15 BKA

The vehicle most recently passed its MOT on 18 March 2026, but the overall maintenance trend is concerning and appears to be deteriorating. While the history was relatively clean in earlier years, the most recent two years have seen a marked increase in mechanical failures and advisories. The transition from simple tyre wear to structural failures such as a fractured coil spring and now severely deteriorated drive shaft boots suggests a decline in preventative maintenance and an increase in wear-and-tear issues that are being identified only at the point of testing. With 86,092 recorded miles over an eleven year period, the vehicle has averaged approximately 7,827 miles per year. This is considered typical usage for a family vehicle of this age and suggests a balanced duty cycle without the extreme wear of high-mileage motorway use or the detrimental effects of prolonged standing. However, at this mileage threshold, components such as suspension bushings, engine mounts, and drivetrain seals typically reach the end of their primary service life, which aligns with the specific defects currently appearing in the MOT records. The most urgent mechanical concern involves the severe deterioration of both the nearside and offside front constant velocity boots. These rubber gaiters protect the drive shaft joints from contaminants; once they split, lubricant escapes and grit enters, leading to rapid joint failure. During a test drive, listen for rhythmic clicking or popping sounds when turning the steering wheel at low speeds, as this indicates the joints are already compromised. Additionally, the advisory for low coolant levels is a significant warning. You must verify if this is a simple top-up issue or a sign of a slow leak or head gasket failure, which can be common in older vehicles of this type. Check the expansion tank for cleanliness and look for any white crusty residue around hose joints. The previous record of pitted and scored brake discs, combined with a fractured coil spring and track rod end play, indicates a need for a thorough chassis inspection. Check for uneven tyre wear across the front axle, which would suggest that previous suspension repairs were not followed by a professional wheel alignment. Inspect the brake discs through the wheels for heavy corrosion or lip formation, as pitted discs can lead to brake shudder and reduced stopping efficiency. Finally, ensure the service book confirms that the CV boots and coolant issues have been rectified since the March test, as leaving these unaddressed will lead to imminent and costly drivetrain or engine repairs.