This workshop service repair manual provides comprehensive guidance for all Jaguar XJ-S, XJ-SC, XJS, and XJSC variants produced between 1975 and 1996. As a successor to the iconic E-Type, the XJ-S was engineered as a luxurious and high-performance grand tourer, offered with a range of powerful engines including the 3.6L Inline-6 and the formidable 5.3L and 6.0L V12. Known for its distinctive styling and refined driving experience, the XJ-S represented a significant evolution in Jaguar's GT offerings. This manual is designed to cover the extensive mechanical, electrical, and bodywork systems that define these vehicles, ensuring their continued performance and integrity. The scope of this English-language manual is extensive, detailing every aspect necessary for thorough maintenance and repair. It includes procedures for all mechanical systems, from engine overhauls and transmission servicing to suspension and braking system maintenance. Electrical systems, bodywork, and chassis repairs are also covered in depth, along with diagnostic troubleshooting for common issues. With hundreds of pages of factory-level detail, including diagrams, specific substeps, and warnings, this manual serves as an indispensable resource for Jaguar owners, independent mechanics, and restoration enthusiasts. Its high-resolution, searchable format allows for efficient access to critical information, enabling precise upkeep and repair.