This comprehensive service repair manual for the Jaguar 420G S-TYPE, covering the years 1966-1970, is your indispensable guide to maintaining and repairing this classic vehicle. It includes detailed step-by-step procedures, explanations, and pictorial diagrams for virtually every aspect of the car, from bumper to bumper. The manual is meticulously organized, providing you with the most detailed information available for servicing this model. It encompasses special notes, important points, service data, precautions, and everything you need for maintenance, adjustments, service, removal, and installation of all components. With clear illustrations, exploded diagrams, drawings, and photographs, you'll be guided through every repair procedure with ease. Adjustment and repair operations include reference to service tool numbers, with accompanying illustrations depicting the tools needed for each task. This manual is designed to be a valuable resource for both mechanics and do-it-yourself enthusiasts. Its comprehensive explanations and sequential instructions make it easy to understand and follow, even for those with limited experience. It covers all service and repair instructions for the Jaguar 420G S-TYPE, ensuring you have the knowledge and guidance to keep your vehicle running smoothly and safely. The manual also includes valuable reference data, such as tightening torques, wear limits, and assembly details, ensuring that all repairs are performed to factory specifications. To avoid costly mistakes, it is essential to carefully read and familiarize yourself with procedures before starting any work. This service repair manual is a necessity for anyone who owns or works on a Jaguar 420G S-TYPE. It will help you maintain your car in optimal condition for years to come, ensuring reliable performance and driving enjoyment.

The Jaguar 420G S-Type, produced from 1966 to 1970, was a luxurious and powerful grand tourer that marked a significant shift in Jaguar's design philosophy. While retaining the elegant lines and sophisticated engineering that defined the previous S-Type (3.4 and 3.8 liter models), the 420G introduced a larger, more powerful engine and a more angular, muscular aesthetic. This was the first production Jaguar to feature a V8 engine, specifically a 4.2-liter unit derived from the XK engine family, producing a substantial 265 horsepower. This engine, coupled with a robust chassis and well-tuned suspension, provided exhilarating performance, making the 420G a true performance luxury car. The car's exterior was redesigned with a more prominent grille, squared-off headlamps, and a broader stance, emphasizing its power and presence on the road. The interior remained luxurious, featuring fine leather upholstery, real wood trim, and a spacious cabin that prioritized comfort and elegance. The 420G S-Type was a testament to Jaguar's engineering prowess and dedication to creating a unique blend of luxury, performance, and style. Unfortunately, its production run was relatively short, with only 3,571 units built before being replaced by the larger and more luxurious XJ6 in 1968. Nevertheless, the 420G S-Type continues to be a highly sought-after classic car, praised for its impressive performance, luxurious interior, and enduring design. Its distinctiveness, stemming from its unique engine and powerful presence, has solidified its place in automotive history as a significant milestone in Jaguar's journey towards creating iconic and desirable cars. The 420G S-Type remains a symbol of British automotive excellence and a testament to the enduring legacy of Jaguar's engineering heritage.