The Mazda Cosmo CD Series, produced between 1977 and 1978, represents a distinct chapter in Mazda's automotive history. Available as a 2-door coupe or 4-door sedan, this generation offered a blend of personal luxury and unique styling, sharing its platform with the Mazda Luce. While earlier Cosmo generations were renowned for their rotary engines, the 1977-1978 models primarily featured reliable inline-four piston engines, typically 1.6L or 1.8L, delivering an estimated 70-90 horsepower. These vehicles were characterized by their comfortable ride, good build quality for the era, and often featured distinctive exterior design elements. With chassis codes PBVC and PBVH, the Cosmo CD Series was positioned as a stylish and comfortable compact personal luxury vehicle, competing with other established models of its time.

This comprehensive factory service manual provides essential information for the maintenance and repair of the Mazda Cosmo CD Series (1977-1978). It covers a wide array of systems, including engine mechanicals, cooling, lubrication, fuel, and ignition, as well as transmission, brakes, steering, suspension, and the complete electrical system. Detailed procedures for scheduled maintenance, troubleshooting common issues, and in-depth repair instructions for all major mechanical and electrical components are included. The manual also offers technical specifications, diagnostic guidance, and information on body and interior systems. This resource is invaluable for owners, mechanics, and technicians seeking to preserve the performance and longevity of their Mazda Cosmo.