2010 Porsche Cayman 3.4L Petrol · LT10 WPW

This 2010 Porsche Cayman has just passed its MOT on 22 May 2026, but the test has revealed a significant brake system defect that demands immediate attention. Both rear brake pipes are corroded and covered in grease or other material, which is a safety-critical issue. Corrosion of brake pipes can lead to fluid leaks, loss of braking pressure, and potential brake failure, especially under hard use or in wet conditions. The fact that both pipes are affected suggests systemic corrosion rather than a localised problem, pointing to either poor maintenance history, prolonged exposure to salt or moisture, or both. The MOT history shows a worsening trend in brake condition over the past two years. In May 2024, the front inner brake disc was found to be worn, pitted, and scored, though not yet seriously weakened. The vehicle initially failed that test on the same date due to the brake disc issue and a faulty offside front wiper. By May 2025, no brake defects were recorded, suggesting either repair or a period of lighter use. However, the reappearance of brake system faults just one year later—this time affecting the rear pipes—indicates that the underlying brake wear and corrosion problem has not been resolved and is progressing. The mileage of 100,190 miles on a 16-year-old car works out to roughly 6,262 miles per year, which is typical for vehicles of this age.