Positioning:
The Ferrari 400i was positioned as a sophisticated, V12-powered grand tourer, blending performance with luxury for discerning clientele. It competed with other high-end GTs of its era.
Competitors:
Aston Martin V8 Vantage, Jaguar XJS, Maserati Quattroporte III.
Distinctive Attributes:
V12 engine, Pininfarina styling, rear-wheel drive, comfortable interior, sophisticated (for its time) engineering.
Benefit To Owner:
Empowers owners and technicians with detailed, factory-level information to perform maintenance, repairs, and diagnostics, potentially saving significant costs and preserving the vehicle's condition.
Primary Coverage:
Maintenance, Repair, Troubleshooting, Diagnostics
Secondary Coverage:
Specifications, Technical Features, Rigging, Electrical System, Fuel System, Power Unit, Lower Unit, Bracket Unit, General Information, Appendix
Estimated Page Count:
N/A (Digital PDF, zoomable)
Type:
Service Repair Factory Manual
Operating Systems:
All Versions of Windows & Mac
Software Requirements:
Adobe PDF Reader
Powertrain:
Engine, Fuel System, Ignition System, Exhaust System, Transmission (Automatic)
Chassis:
Suspension (Front & Rear), Steering, Brakes, Wheels, Tires
Electrical:
Ignition System, Lighting, Instruments, Power Accessories, Battery, Alternator, Starter Motor, Wiring Diagrams
Body And Interior:
Body Panels, Doors, Glass, Seats, Trim, Climate Control (HVAC)
Routine Maintenance:
Oil Changes, Filter Replacements, Fluid Level Checks, Lubrication, Spark Plug Replacement
Major Repairs:
Engine Rebuild, Transmission Service, Brake Overhaul, Suspension Component Replacement, Electrical Component Diagnosis and Repair
Troubleshooting:
Diagnostic Charts, Symptom-Based Troubleshooting, Common Fault Identification
Depth:
Comprehensive, covering from basic maintenance to advanced diagnostics and rebuild procedures. Suitable for both experienced mechanics and dedicated enthusiasts.
Type:
Naturally Aspirated V12
Displacement:
4.8 Liters (4823 cc)
Bore X Stroke:
81 mm x 78 mm
Valvetrain:
Dual Overhead Camshafts (DOHC), 2 Valves per Cylinder
Horsepower:
240-275 hp (depending on specific market/tuning)
Torque:
300-315 lb-ft (estimated)
Fuel Delivery:
Bosch K-Jetronic Fuel Injection
Fuel Type:
Unleaded Premium Gasoline
Ignition System:
Electronic Ignition (Bosch)
Type:
3-Speed Automatic (BorgWarner 65 or 35, depending on early/late models)
Type:
5-Speed Manual (less common, primarily on earlier 400GT, not typically on 400i variants)
Transmission Fluid Type:
Dexron III/Mercon (or equivalent automatic transmission fluid)
Length:
Approx. 4,900 mm (192.9 in)
Width:
Approx. 1,840 mm (72.4 in)
Height:
Approx. 1,360 mm (53.5 in)
Wheelbase:
Approx. 2,700 mm (106.3 in)
Curb Weight:
Approx. 1,700 - 1,800 kg (3,748 - 3,968 lbs)
Crash Test Data:
Limited to no formal crash test data available from modern regulatory bodies for this era of vehicle.
Braking System:
Ventilated Disc Brakes (Front & Rear), ABS (Optional on later models)
Restraints:
3-Point Seatbelts, Limited Airbag technology (if any, not standard for early models)
Audio System:
Typically a period-correct AM/FM/Cassette player. Modern upgrades may be present in some examples.
Dashboard Features:
Analog gauges for speed, RPM, oil pressure, water temperature, fuel level. Warning lights for various systems.
ABS:
Optional on later models.
Features:
Limited to analog systems of the era. No modern connectivity features like Bluetooth or USB.
Oil Change:
Every 5,000 - 7,500 km (3,000 - 5,000 miles) or annually. Consult manual for specific interval.
Major Service:
Timing belt replacement every 50,000 - 75,000 km (30,000 - 50,000 miles) is critical for V12 engines. Manual will specify exact interval and procedure.
Transmission Service:
Fluid and filter change every 40,000 - 60,000 km (25,000 - 35,000 miles).
Engine Oil Type:
SAE 10W-50 or 20W-50 (mineral or synthetic, high-quality). Consult manual for precise viscosity based on climate.
Engine Oil Capacity:
Approx. 10-12 Liters (10.5-12.7 Quarts) with filter change. Manual will provide exact capacity.
Coolant Type:
Ethylene Glycol based antifreeze, typically 50/50 mix with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 (high-temperature DOT 4 recommended).
Common Problems:
Fuel system (K-Jetronic components can be sensitive), cooling system (radiator, hoses), electrical gremlins (aging wiring), carburetor issues (on 400 GT), suspension wear, exhaust system corrosion.
Common Problems Continued:
Rust in common areas (wheel arches, sills), interior material degradation. Timely maintenance is key to longevity.
Legacy:
Renowned for producing high-performance sports cars and grand tourers with racing DNA.
Predecessor:
Ferrari 365 GT4 2+2, 400 GT
Introduction Year:
1979 (as 400i, replacing 400 GT)
Key Changes For 400I:
Transition from carburetors (400 GT) to Bosch K-Jetronic fuel injection.
Manufacturing Location:
Maranello, Italy
Production Volume:
Estimated around 1,300 units for the 400i model.
