The 1980 Astra Mk1, built on the T-Car platform, represents a significant step in compact family car design for its era. This model, known for its front-wheel-drive architecture, offered efficient packaging and practicality, making it a competitive choice against rivals like the Ford Escort and Volkswagen Golf. Available in various body styles including 3-door and 5-door hatchbacks, saloons, and estates, the Astra was powered by a range of inline-4 petrol engines, typically 1.3L or 1.6L, featuring overhead valve configurations and carbureted fuel systems, though some later models incorporated early fuel injection. The manufacturers, with their respective reputations for solid engineering and value, introduced the Astra Mk1 to primarily European markets, establishing it as a popular and well-received vehicle.

This comprehensive service repair workshop manual provides detailed guidance for the maintenance and repair of all 1980 Astra Mk1 models and derivatives. It covers essential systems including engine mechanicals, fuel and ignition systems, transmissions, brakes, suspension, steering, and the electrical system. Within its hundreds of pages, users will find procedures for routine maintenance, in-depth diagnostic troubleshooting, component removal and installation, and rebuilding processes. The manual includes critical torque specifications and electrical component testing methods, supported by diagrams and illustrations typical for manuals of this period, ensuring owners and technicians have the factory-level information necessary for accurate upkeep and repair.