Positioning:
Essential resource for Ferrari 400i owners and independent mechanics seeking to maintain, diagnose, and repair this classic GT. Offers professional-grade information at an accessible price.
Value Proposition:
Low Price, Great Quality, Instant Access, Comprehensive Coverage, Direct Factory Information.
Comparison:
Competed with other high-end GT cars of its era from brands like Aston Martin, Bentley, and other Italian marques. The 400i offered a unique blend of V12 performance with a more usable automatic transmission and 2+2 seating.
Coverage Areas:
General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, 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
Manual Type:
Workshop Service Repair Manual
Delivery:
Instant Download
Manual Type Clarification:
This is a comprehensive Factory Service Repair Manual, not an owner's manual or parts catalog.
Page Count Estimate:
Hundreds or thousands of pages (printable at high quality)
Pages Print Quality:
High-quality printable pages for ease of use in a workshop environment.
Powertrain:
Engine, Transmission, Differential, Axles, Fuel System (Injection & Conventional), Cooling System, Exhaust System
Chassis:
Suspension (Front & Rear), Steering System, Brake System (Hydraulic, Disc Brakes), Wheels & Tires
Electrical:
Complete Wiring Diagrams, Engine Control System, Ignition System, Lighting, Instrumentation, Accessories, Restraint System (if applicable)
Body:
Chassis/Body Construction, Interior Components, HVAC System (Heater/Air Conditioning)
Engine Control System:
Detailed information on the operation and diagnosis of the engine control unit (ECU) and its associated sensors and actuators for the fuel injection system.
Fuel Injection:
In-depth coverage of the Bosch K-Jetronic system, including component testing, adjustment procedures, and troubleshooting common fuel delivery issues.
Heater/Air Conditioning:
Service and repair procedures for the climate control system, including component diagnosis and refrigerant handling (with appropriate safety precautions).
Emission System:
Information related to emission control devices and diagnosis, crucial for compliance in various regions.
Restraint System:
Details on seatbelt mechanisms and any other passive safety restraints installed.
Maintenance:
General Maintenance, Periodic Lubrication, Fluid Changes, Filter Replacements, Tire Rotation, Inspections
Repair:
Engine Rebuilding, Transmission Overhaul, Brake System Repairs, Suspension Component Replacement, Steering System Adjustments, Electrical Component Diagnosis and Repair, Body Panel Repair
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnostics, Circuit Analysis, Component Testing
Troubleshooting Guides:
Step-by-step diagnostic procedures for common and uncommon issues across all major vehicle systems.
Assembly Disassembly:
Detailed, illustrated instructions for the removal and installation of all major and minor components.
Adjustments:
Procedures for adjusting various systems, including carburetors (if applicable to earlier models), ignition timing, and brake systems.
Depth:
Comprehensive factory-level repair procedures, detailed technical specifications, diagnostic flowcharts, torque specifications, clearances, and assembly/disassembly instructions.
Wiring Diagrams:
Detailed, system-specific wiring diagrams essential for electrical fault diagnosis and repair.
Torque Specifications:
Precise torque values for all critical fasteners, essential for proper assembly and to prevent damage.
Component Tolerances:
Specifications for critical clearances and tolerances for engine and drivetrain components.
Oil Change Interval:
Refer to manual for specific mileage/time recommendations (typically 5,000-7,500 miles or annually).
Major Service Interval:
Refer to manual for timing belt (if applicable to specific V12 variant), spark plugs, and other major component service intervals.
Engine Oil:
Refer to manual for specific SAE viscosity grade and API service classification (e.g., SAE 20W-50 was common for V12 Ferraris of this era).
Coolant:
Ethylene glycol-based antifreeze, typically a 50/50 mixture with distilled water. Manual will specify capacity and type.
Brake Fluid:
DOT 3 or DOT 4 brake fluid as specified by Ferrari.
Gearbox Oil:
Refer to manual for specific manual or automatic transmission fluid type and capacity.
Differential Oil:
Hypoid gear oil, specific viscosity grade as per manual.
Typical Challenges:
Fuel injection system tuning, ignition system components (due to age), suspension bushings, aging electrical components, potential for corrosion in older vehicles, cooling system reliability.
