🏷️ Basic Information Identification Make: Ferrari Model: 400i Production Years Covered: 1979-1985 Codes Chassis Code: F106BW 👋 Introduction Market Position Vehicle Segment: Luxury Grand Tourer (GT) Target Audience For Manual: Ferrari owners, classic car enthusiasts, independent mechanics specializing in exotic vehicles Competitive Analysis Contemporary Competitors: Aston Martin V8 Vantage, Jaguar XJ-S, Mercedes-Benz SEC, Rolls-Royce Corniche Key Features Manual Value Proposition: Inexpensive way to keep vehicle working properly, provides complete factory-level repair information Manual Accessibility: Downloadable, printable, no shipping delays 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service and Repair Secondary Coverage: General Maintenance, Troubleshooting, Electrical Systems, Chassis, Bodywork Page Count Estimated Page Count: Hundreds of pages (specific number not provided, but described as extensive) Manual Type Type: Official Factory Service Repair Manual Download Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Service: Comprehensive Engine Service and Repair Transmission Service: Comprehensive Transmission Service and Repair Brake System: Detailed Brake System Service and Repair Electrical System: Detailed Electrical System Diagnostics and Repair, including Wiring Diagrams Suspension Steering: Suspension and Steering System Service and Repair Cooling Fuel Emissions: Cooling System, Fuel System, Fuel Injection, and Emission System Service HVAC Body: Heater/Air Conditioning, Chassis/Body, and Interior Component Service Drive Axle: Differential and Axle Component Service Procedures Included Repair Procedures: Step-by-step instructions based on complete disassembly Maintenance Procedures: General Maintenance, Periodic Lubrication Troubleshooting: Extensive Troubleshooting guidance Diagnostic Procedures: Electrical system diagnostics combined with detailed wiring diagrams Technical Depth Depth: Comprehensive, suitable for do-it-yourselfers and experienced mechanics Illustrations: Hundreds of photos and illustrations, enlarged insets for detailed part examination Instructions Format: Numbered instructions, detailed substeps, bold figure numbers Safety Information: Notes, cautions, and warnings throughout each chapter pinpoint critical information 📊 Manual Specifications File Format Format: PDF Compatibility: Compatible with all PC-based Windows operating systems and Mac Print Quality Printability: Printable without restriction, entire manual or selected pages Binding Type Binding: Digital Download (printable for physical binding) Paper Type Paper Type Consideration: User printable on desired paper type Delivery Delivery Method: Instant Download Link on Checkout Page Requirements Software Requirement: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: V12, naturally aspirated Engine Code: F106BW Displacement: 4.8 Liters (4823 cc) Bore X Stroke: 81 mm x 78 mm Performance Horsepower: 240 hp @ 5000 rpm (approximate) Torque: 390 Nm (288 lb-ft) @ 3500 rpm (approximate) Fuel System Fuel Delivery: Bosch K-Jetronic Fuel Injection Fuel Type: Unleaded Gasoline (premium) 🔧 Transmission Standard Transmission Type: 3-speed automatic Automatic Transmission Model: General Motors THM-400 (Turbo Hydramatic 400) Optional Optional Transmission: 5-speed manual (less common in 400i, more prevalent in predecessor 400) Features Transmission Cooling: Integrated transmission fluid cooler, often routed through the radiator 📐 Dimensions Exterior Body Style: 2+2 Coupe Wheelbase: 2700 mm (106.3 inches) Length: 4760 mm (187.4 inches) Width: 1790 mm (70.5 inches) Height: 1330 mm (52.4 inches) Weights Curb Weight: 1780 kg (3924 lbs) Gross Vehicle Weight Rating: Not explicitly stated, but would exceed curb weight 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable for vehicles of this era and market segment Active Features Brakes: Ventilated disc brakes (front and rear), often with ABS on later models or as an option Steering: Power-assisted rack and pinion steering Passive Features Restraint System: Seat belts (three-point inertia reel front belts, lap belts for rear passengers) Body Construction: Steel monocoque chassis with steel body panels 💡 Technology Features Infotainment Audio System: Period-correct, typically a premium AM/FM/Cassette player, often with multiple speakers Dashboard Display: Analog gauges for speed, tachometer, fuel, oil pressure, water temperature, and voltmeter. Driver Assistance ABS: Available as an option or standard on later models Connectivity Connectivity Features: Not applicable by modern standards; primarily mechanical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 km (3,000-5,000 miles) or annually Major Service Interval: Every 20,000-30,000 km (12,000-18,000 miles), including timing belt inspection/replacement (if applicable to V12 variant of that period), full fluid flush, and comprehensive checks. Fluid Specifications Engine Oil Type: API SG/SH or higher, SAE 20W-50 recommended (check manual for specific viscosity based on climate) Coolant Type: Ethylene Glycol based antifreeze, typically a 50/50 mix with distilled water Transmission Fluid Type: Dexron III or equivalent (for GM THM-400 transmission) Brake Fluid Type: DOT 4 (high-performance glycol-based) Known Issues Common Problems: Fuel injection system complexity (Bosch K-Jetronic), aging electrical components, HVAC system reliability, potential for rust in sills and wheel arches, drivetrain wear (especially historically with automatic transmissions). Recommended Checks: Regular inspection of ignition system, fuel delivery components, cooling system hoses and radiator, and suspension bushings. 📚 Vehicle History Brand Heritage Manufacturer Origin: Maranello, Italy Brand Philosophy: High-performance luxury sports cars, racing heritage Model Evolution Predecessor: Ferrari 400 (produced 1976-1979), featured carburetors Successor: Ferrari 412 (produced 1985-1989), featured 4.9L V12 and minor styling updates Production Production Period: 1979-1985 Total Production Units: Approximately 500 units (400i variant) Design Influence:...