This comprehensive **Ferrari 400i Factory Service Repair Manual** covers all models from 1979 to 1985, providing you with the same in-depth information used by factory-trained technicians. This manual is a valuable resource for any owner looking to perform routine maintenance, troubleshoot issues, or tackle more complex repairs.

The manual thoroughly guides you through every aspect of your Ferrari 400i, from basic maintenance and troubleshooting to detailed engine, transmission, brake, and electrical system service and repair procedures. It includes clear, step-by-step instructions, detailed illustrations, diagrams, and specifications, making even the most challenging tasks manageable.

You'll find sections dedicated to:

* **General Maintenance:** Learn about routine checks, fluid changes, and preventative measures to keep your Ferrari 400i running smoothly.
* **Troubleshooting:** This section provides a systematic approach to identifying and resolving common issues.
* **Engine Service:** Detailed instructions cover everything from valve adjustments to complete engine rebuilds.
* **Transmission Service:** Learn how to maintain and repair both manual and automatic transmissions.
* **Brake System:** This comprehensive section covers brake system inspection, adjustment, and replacement procedures.
* **Wiring Diagrams:** Easy-to-understand diagrams simplify electrical system troubleshooting and repair.
* **Electrical System:** Comprehensive information on diagnosing and repairing electrical components.
* **Suspension:** Guidance on inspecting, adjusting, and repairing suspension components.
* **Periodic Lubrication:** Detailed charts and instructions ensure proper lubrication for all components.
* **Steering:** Learn how to service and repair steering systems.
* **Cooling System:** Comprehensive information on cooling system maintenance and repair.
* **Fuel Injection/Fuel System:** Detailed instructions for diagnosing and repairing fuel injection systems.
* **Emission System:** Learn about emissions system maintenance and repair.
* **Heater/Air Conditioning:** Guidance on maintaining and repairing your climate control system.
* **Engine Control System:** Covers diagnosis and repair of electronic engine control systems.
* **Chassis/Body:** Includes instructions for repairing bodywork and chassis components.
* **Restraint System:** Learn about inspecting and repairing safety features.
* **Interior:** Covers interior components and upholstery repairs.
* **Differential/Drive:** Detailed guidance on maintaining and repairing the rear axle.
* **Axle:** Covers axle inspection, adjustment, and repair procedures.

This manual provides the tools and knowledge to diagnose and repair your Ferrari 400i with confidence. You will save money by performing maintenance and repairs yourself, and gain a deeper understanding of your vehicle's inner workings.

The Ferrari 400i, produced from 1979 to 1985, represented a significant evolution in the Italian marque's grand touring lineup. A successor to the celebrated 400 GT, the 400i embodied a more modern aesthetic, enhanced performance, and refined interior. The "i" in the name denoted the implementation of fuel injection, marking a departure from the previous model's carburetor setup. The 400i featured a powerful 4.8-liter V12 engine, capable of producing around 340 horsepower, propelling the car to a top speed exceeding 155 mph. This engine, paired with a five-speed manual transmission, delivered a thrilling driving experience, catering to both spirited performance and comfortable cruising. The 400i showcased a striking design, featuring sharp lines, a low-slung profile, and a distinct grille that housed the iconic Ferrari prancing horse badge. Its sleek exterior hinted at the sophisticated and luxurious interior, offering plush leather upholstery, a wood-trimmed dashboard, and a host of amenities that solidified its position as a grand tourer.

The Ferrari 400i, despite its limited production run, holds a significant place within the marque's history. Its technical advancements, elegant styling, and captivating performance ensured it a place amongst Ferrari's esteemed models. The 400i seamlessly blended classic Ferrari heritage with modern engineering, offering a compelling driving experience that appealed to both enthusiasts and discerning drivers. It showcased the brand's commitment to innovation and refinement, ultimately contributing to the enduring legacy of Ferrari as a purveyor of world-class automotive excellence. The 400i, with its distinct character and enduring appeal, remains a desirable classic, captivating collectors and enthusiasts alike.