RepairPal Certified shops can diagnose and repair your 2003 Volvo S40. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Engine seals. I had them replaced at the dealer as no one else would touch the engine. Cost $1500. The pulley gets replaced with the belt and the tensioner. The tensioner failed after 1 year. Replacement cost $700.