The Land Rover Discovery Series I, produced in 1994, represents a significant chapter in the legacy of robust and capable off-road vehicles. Built on a strong body-on-frame construction, this model offered a choice between the powerful 3.9L Rover V8 engine and the efficient 2.5L Isuzu 300Tdi diesel, both paired with a permanent four-wheel-drive system featuring a lockable center differential. Known for its exceptional off-road capability and durable engineering, the Discovery Series I was designed for adventure and utility, making it a popular choice for families and outdoor enthusiasts alike. Its design prioritized functionality and resilience, embodying a commitment to creating vehicles that could conquer diverse terrains. This comprehensive workshop manual provides essential information for the maintenance, repair, and diagnosis of the 1994 Discovery Series I. Covering a vast array of systems, including the powertrain, chassis, electrical components, and body, this manual details scheduled maintenance, fluid specifications, and detailed repair procedures for both the V8 and diesel engines. It also includes troubleshooting guides, diagnostic charts, and electrical wiring diagrams, offering invaluable resources for DIY enthusiasts, independent repair shops, and owners. With over 800 pages of factory-equivalent information, this manual is designed to ensure the longevity and optimal performance of your Discovery.