Saab 9-3 Turbo – Engine Oil Sludge – Incorrect Oil Grade Used

By | July 1st, 2011|Case Studies|Comments Off on Saab 9-3 Turbo – Engine Oil Sludge – Incorrect Oil Grade Used

Car had 50,000 miles, all services carried out and stamped in maintenance book, yet engine was ruined by oil sludge. Saab has been having an issue with this engine fault. We feel it is due to extended service intervals without the use of semi or full synthetic engine oil.