This manual covers the Jaguar XJ6, produced between 1986 and 1994, identified by chassis codes XJ40 and later XJ. This premium luxury sedan, Jaguar's flagship model, is renowned for its classic British styling, refined comfort, and the powerful AJ6 inline-six engine, available in 3.6L and 4.0L naturally aspirated and supercharged variants. The XJ6 offered a sophisticated driving experience, competing with other high-end luxury vehicles of its era through its blend of performance, advanced features for its time, and luxurious appointments.

This comprehensive service and repair manual provides detailed information on all mechanical and electrical systems, bodywork, and diagnostics for the Jaguar XJ6. It covers routine maintenance, scheduled servicing, and in-depth repair procedures for components such as the engine, transmission, suspension, brakes, and electrical systems. The manual includes extensive technical specifications, torque values, troubleshooting guides, and wiring diagrams, making it an essential resource for owners, mechanics, and technicians to maintain, diagnose, and repair these vehicles effectively.