This comprehensive service repair manual is your ultimate guide to maintaining and repairing your 1977-1995 Porsche 928. It provides detailed instructions and technical information to empower you to tackle any repair, from routine maintenance to complex mechanical issues. The manual covers a wide range of topics, including: * **Maintenance:** Learn about regular service schedules, fluid checks, and essential maintenance procedures. * **Engine:** Understand the intricacies of the 928's engine, covering components like the fuel system, intake and exhaust, cooling system, ignition, and more. * **Transmission:** Gain insights into both automatic and manual transmissions, including clutch operation, gear selection, and troubleshooting. * **Drivetrain:** Explore the driveline components such as the transfer case, propeller shaft, drive shaft, differentials, axles, and suspension. * **Brakes:** Learn about brake system operation, maintenance, and repair, covering disc brakes, parking brake, and hydraulic systems. * **Steering:** Discover the intricacies of the steering system including the steering column, power steering, and components. * **Electrical Systems:** Gain a thorough understanding of the 928's electrical systems, including the multiplex and CAN communication systems. * **Air Conditioning:** Find detailed information about the vehicle's air conditioning system, including troubleshooting and repair. * **Body and Interior:** Explore the details of the 928's bodywork, interior components, seat systems, door locks, and other features. This manual is your indispensable companion for all your 928 repair needs, providing clear instructions and diagrams to make even the most challenging tasks manageable.

The Porsche 928, a grand tourer produced from 1977 to 1995, marked a significant departure from the traditional air-cooled, rear-engined layout of most Porsche models. It introduced a front-engined, rear-wheel-drive configuration, featuring a powerful and sophisticated V8 engine. The 928 was designed as a luxurious and sporty grand tourer, meant to compete with the likes of the Ferrari 308 and the Jaguar XJS. Its sleek and aerodynamic bodywork, penned by the legendary designer, Wolfgang Möbius, was a testament to Porsche's engineering prowess. The 928's innovative design included features such as an integrated rear spoiler, retractable headlights, and a spacious interior with a focus on comfort and luxury. The 928's emphasis on refinement and usability, coupled with its sporty performance, made it a highly sought-after vehicle in its time. Throughout its production run, the 928 underwent several significant updates and variations. Early models were powered by a 4.5-liter V8 engine, while later versions received larger 4.7-liter and 5.0-liter V8s. A highly coveted and rare S4 model featured a 5.4-liter V8 engine and a range of performance enhancements. The 928 was praised for its smooth and powerful engine, responsive handling, and comfortable ride. Despite its initial reluctance to replace the iconic 911 as the flagship model, the 928 eventually achieved cult status among enthusiasts. Its unique design, technological advancements, and driving experience cemented its place as a significant chapter in Porsche's rich history. The 928 remains a highly collectible and desirable vehicle, prized for its elegance, performance, and timeless appeal.