This comprehensive **Ferrari 400i 1979-1985 Workshop Service Repair Manual** is designed for technicians, mechanics, and anyone seeking in-depth information on repairing and maintaining this prestigious vehicle. The manual contains detailed information sourced directly from the original manufacturer, ensuring accuracy and reliability.

This detailed guide covers a wide range of topics, including:

* General Maintenance
* Troubleshooting
* Engine Service and Repair
* Transmission Service and Repair
* Brake System
* Wiring Diagrams
* Electrical System
* Suspension
* Periodic Lubrication
* Steering
* Cooling System
* Fuel Injection
* Fuel System
* Emission System
* Heater/Air Conditioning
* Engine Control System
* Chassis/Body
* Restraint System
* Interior
* Differential/Drive
* Axle

The manual provides in-depth, step-by-step instructions, clear illustrations, and technical specifications, making it an invaluable resource for anyone working on a Ferrari 400i. Whether you're a seasoned professional or a dedicated enthusiast, this manual will empower you with the knowledge and confidence to tackle any repair or maintenance task.

The Ferrari 400i, produced from 1979 to 1985, marks a significant shift in Ferrari's design philosophy. This elegant grand tourer, designed by Pininfarina, represented a departure from the sharp-edged, aggressive styling of its predecessors. The 400i showcased a more rounded and flowing aesthetic, with a longer wheelbase and a more spacious interior. The influence of American luxury cars is evident in its comfort-oriented features, including plush leather seats, air conditioning, and a powerful sound system. Notably, the 400i was the first Ferrari to feature a fuel-injected engine, a technological advancement that enhanced performance and efficiency. The 4.8-liter V12 engine, fitted with Bosch K-Jetronic fuel injection, delivered a smooth and powerful 340 horsepower. This combination of luxurious amenities and potent performance made the 400i a popular choice for discerning drivers seeking a comfortable and exhilarating driving experience.

The 400i's evolution throughout its production run saw a gradual refinement of its styling and performance. In 1981, the 400i received a subtle facelift with revised bumpers, larger taillights, and a more prominent rear spoiler. The introduction of the 400i GT in 1983 marked a significant shift, incorporating a more streamlined body and a revised suspension for improved handling. This iteration, along with the subsequent 400i GT 2+2, further refined the 400i's elegant design while retaining its core characteristics of luxury and performance. The 400i's production ended in 1985, paving the way for the successor models like the 412 and the iconic Testarossa. Despite its relatively short production run, the 400i left a lasting mark on Ferrari's legacy, demonstrating the brand's ability to blend sophisticated design with exceptional driving dynamics, establishing itself as a true luxury grand tourer.