This comprehensive **Porsche 928 Service Repair Workshop Manual** covers all models produced from 1978 to 1995. It provides detailed instructions and guidance for servicing and repairing your Porsche 928, empowering you to perform maintenance and repairs with confidence. The manual is packed with step-by-step instructions, clear diagrams, illustrations, wiring schematics, and specifications, making it an invaluable resource for both experienced mechanics and DIY enthusiasts. Dive into a wide range of topics covered within the manual, including: general information about your Porsche 928, engine mechanical and electrical systems, emission control systems, fuel systems, clutch systems, manual and automatic transaxle systems, driveshafts and axles, suspension systems, steering systems, restraint systems, brake systems, body (interior and exterior), and body electrical systems. The manual also delves into the intricacies of heating, ventilation, and air conditioning systems. This manual is designed to be the ultimate resource for anyone looking to maintain and repair their Porsche 928. Its detailed information, clear instructions, and comprehensive coverage make it an essential tool for ensuring your vehicle's longevity and performance. Whether you're a seasoned mechanic, an aspiring DIYer, or simply want to be better informed about your Porsche 928, this manual will equip you with the knowledge and guidance you need.

The Porsche 928, produced from 1978 to 1995, was a grand tourer (GT) that challenged the conventional Porsche sports car formula. It marked a significant departure from the traditional air-cooled, rear-engined layout of the 911, opting for a front-engined, rear-wheel-drive configuration. The 928 was designed to be a luxurious and comfortable grand tourer, capable of long-distance cruising while offering impressive performance. It was powered by a 4.5-liter V8 engine, later upgraded to 5.0 and 5.4 liters, all featuring fuel injection and a unique "Weissach" design that incorporated a transaxle gearbox, a layout commonly used by Ferrari and other Italian sports cars. This arrangement placed the engine in the front and the transmission at the rear axle, resulting in near-perfect weight distribution and excellent handling. The 928's striking design, penned by the legendary designer Wolfgang Egger, featured sharp lines, a low-slung profile, and distinctive pop-up headlights. The interior was equally impressive, offering luxurious appointments, comfortable seating, and a well-laid-out dashboard. While the 928 never fully replaced the iconic 911 in Porsche's lineup, it carved its own niche as a powerful and sophisticated grand tourer. It was lauded for its smooth and refined performance, comfortable ride, and distinctive styling. The 928's success was further solidified by its technological advancements, including features like the Wegmann automatic transmission that offered seamless shifts and a sophisticated suspension system that provided both sporty handling and comfortable ride quality. Despite its popularity and innovative design, the 928 was discontinued in 1995, leaving behind a legacy as a unique and captivating Porsche that deviated from the traditional formula.