2015 Honda Civic 1.6L Diesel · AF65 SBO

The most recent MOT test on the 2015 Honda Civic recorded a failure with two major defects in the rear suspension system: serious fluid leaks in both the nearside and offside rear shock absorbers. This outcome marks a significant deviation from the vehicle’s previous MOT history, where only minor advisories—such as light oil misting in the shocks and progressively thinning brake pads—were noted. The failure suggests a critical failure in the hydraulic damping mechanism of the rear suspension, which could lead to compromised ride quality, uneven tyre wear, and potential instability during cornering or braking. The recurring advisories on brake pad wear over the past five years indicate consistent friction system usage, but the absence of recent servicing or replacement of these components may now necessitate immediate attention to prevent excessive brake dust, reduced braking efficiency, or even disc warping. The vehicle’s recorded mileage of 93,770 miles over approximately 11 years represents a moderate annual usage rate of around 8,525 miles per annum, which is typical for a car of this age and class. However, the presence of two major MOT failures in just one test, alongside the history of persistent rear shock absorber issues, suggests either a pattern of neglect or underlying structural wear that may not have been fully addressed. Rapid mileage accumulation could exacerbate wear on suspension components, drivetrain elements, and consumables like brake pads and tyres, while prolonged periods of inactivity could have contributed to standing corrosion in the brake system, particularly on the rear discs and calipers. The combination of these factors highlights the importance of a thorough pre-purchase inspection to assess the extent of the suspension damage and whether the vehicle has been subjected to excessive stress or improper maintenance. For a prospective buyer, the most critical areas to inspect are the rear suspension and braking systems, given the MOT history’s recurring concerns. Begin with a visual and tactile examination of the rear shocks for signs of physical damage, such as bulging seals, cracked housings, or visible leaks. Listen for the characteristic clunking or rattling noises during a test drive, particularly when braking or transitioning through rough roads, which may indicate loose suspension components or failing shock absorbers. Inspect the rear brake discs for excessive glazing, warping, or corrosion, and check for binding calipers that could restrict brake pad engagement. The brake pads themselves should be measured for remaining thickness; if they are below 1.5mm on any pad, replacement is strongly advised to prevent overheating and potential disc damage. Additionally, verify that the rear tyres are free of cracks, dry rot, or uneven wear patterns, as the previous MOT noted worn tyres close to the legal limit. Beyond the immediate concerns, address the broader maintenance needs of the vehicle. Given the age and mileage, the engine oil and coolant should be checked for signs of degradation, such as sludge buildup or contamination, which can indicate long-term neglect. The 12V battery should be tested for voltage output and overall health, as standing vehicles are prone to battery drain from parasitic loads or poor connections. The exhaust system should be inspected for leaks, rust, or structural integrity, especially around the catalytic converter and mufflers, as corrosion can compromise emissions performance and safety. Finally, ensure that the service history is up to date, particularly for fluid changes, brake servicing, and suspension component replacements, as the Civic’s maintenance records appear to have been inconsistent. A professional inspection by a qualified mechanic will provide the most accurate assessment of the extent of the rear suspension failure and whether the vehicle can be safely and economically repaired to meet roadworthiness standards.