The Porsche 964 Factory Service Repair Manual, covering model years 1989-1994, is your comprehensive guide to understanding and performing maintenance and repairs on your vehicle. This official factory manual is a treasure trove of information for any Porsche 964 owner seeking to keep their car in top condition. This manual is not a third-party publication, but rather the genuine, detailed service manual used by Porsche technicians. It lays out, in a clear and easy-to-follow manner, the procedures used by factory-trained professionals for all aspects of maintenance and repair. From routine general maintenance tasks to intricate engine repairs, transmission overhauls, brake system diagnostics, and electrical troubleshooting, this manual covers it all. You'll find detailed wiring diagrams, comprehensive troubleshooting guides, and an abundance of illustrations, diagrams, and specifications to guide you through every repair procedure. The manual also includes step-by-step instructions, cautions, warnings, and enlarged insets to help you identify and examine parts in detail. With its detailed substeps, numbered instructions, and an easy-to-use numbered table of contents, you can quickly locate the information you need. This manual is your key to understanding the complexities of your Porsche 964. Armed with this knowledge, you can confidently make informed decisions about maintaining and repairing your vehicle, saving you money on costly shop labor.

The Porsche 964, produced from 1989 to 1994, marked a significant evolution for the iconic 911 sports car. Replacing the 930 (known as the Turbo), the 964 introduced a host of improvements, both mechanical and aesthetic. Among the key changes was the introduction of a new, wider body, featuring larger bumpers and a redesigned rear end. The 964 also featured a revised suspension with a wider track, along with power steering, air conditioning, and an improved interior. This generation of the 911 saw the introduction of the first all-wheel-drive (AWD) system, known as Carrera 4, which offered enhanced traction and handling capabilities. Under the hood, the 964 retained the air-cooled six-cylinder engine, but with significant updates. The engine was enlarged to 3.6 liters, producing 247 horsepower in the standard Carrera model. The Carrera RS model, however, boasted a 3.8-liter engine and 260 horsepower. There were various performance-oriented variants, including the Carrera RS, which featured lightweight construction and a track-focused setup, and the Turbo, known for its powerful turbocharged engine and exceptional performance. The 964 was also the first 911 model to feature an optional Tiptronic automatic transmission, offering a more convenient driving experience. This combination of performance, luxury, and technological advancements solidified the 964's place as a truly exceptional sports car, further enhancing the legacy of the 911.