This manual covers the Porsche 911 models produced between 1972 and 1978, including variants such as the 911 (2.7), Carrera (2.7), 911 SC (3.0), and potentially early 930 Turbo (3.0) models, identified by chassis codes 911 and 930. The Porsche 911 of this era, particularly the G-Series, is renowned for its iconic design, exceptional driving dynamics, and the unique experience offered by its rear-engine, air-cooled flat-six powertrain. These vehicles represented a benchmark in sports car engineering, competing with other premium performance cars of their time. This workshop service repair manual is an indispensable resource for understanding and maintaining the intricate mechanical and electrical systems that define these celebrated automobiles.

This comprehensive English-language workshop manual provides detailed guidance for complete service, repair, and maintenance procedures. It covers all essential systems, including the air-cooled flat-six engine, fuel systems (carburetor and early K-Jetronic), ignition, manual transmissions (915 gearbox), drivetrain, brakes, suspension, steering, and the electrical system. The manual also includes procedures for body and chassis work, heating and ventilation, and interior components. With extensive coverage from basic maintenance and troubleshooting to in-depth component overhauls and diagnostics, this manual is designed to assist owners, mechanics, and technicians in preserving the performance, reliability, and integrity of their Porsche 911.