Market Positioning:
Ultra-luxury, high-performance supercar segment
Competitors:
Ferrari F40, Porsche 911 Turbo (964), Cizeta-Moroder V16T
Unique Selling Points:
V12 engine, distinctive styling, all-wheel-drive (VT model), advanced aerodynamics
Intended Users:
Lamborghini Diablo VT owners, independent repair shops specializing in exotic cars, automotive enthusiasts, collectors
Region Covered:
Global (North America, Europe, Asia)
Estimated Page Count:
High (typically 1000+ pages for comprehensive factory manuals)
Manual Type:
Service and Repair Manual
Format:
Digital (Instant Downloadable PDF)
Engine Systems:
Engine mechanical, lubrication, cooling, fuel injection, ignition, emissions control
Drivetrain Systems:
Clutch, transmission (manual and viscous coupling all-wheel drive), differential, driveshafts, CV joints
Chassis Systems:
Suspension (front and rear), steering, brakes (hydraulic, ABS), wheels and tires
Electrical Systems:
Battery, starting, charging, lighting, instrumentation, HVAC controls, infotainment, power accessories, engine control unit (ECU) diagnostics
Body And Interior:
Body panels, doors, windows, seats, trim, safety systems (airbags - if applicable), body repair, painting
Maintenance Procedures:
Scheduled maintenance, fluid changes, filter replacements, lubrication, tune-ups
Repair Procedures:
Engine overhaul, transmission repair, brake system servicing, suspension component replacement, electrical component diagnosis and repair, body panel repair
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis
Disassembly And Assembly:
Detailed step-by-step instructions for component removal and installation
Depth Of Coverage:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds, including electrical schematics)
Diagnostic Tools:
Information on specific diagnostic tools and procedures for the Diablo
Engine Type:
Mid-mounted, naturally aspirated V12
Displacement:
5.7 Liters (5706 cc)
Bore X Stroke:
82.0 mm x 91.0 mm
Compression Ratio:
10.0:1
Horsepower:
492 PS (485 hp) @ 7200 RPM
Torque:
580 Nm (428 lb-ft) @ 5500 RPM
Fuel Delivery:
Bosch Motronic M2.7 Fuel Injection
Fuel Type:
Unleaded gasoline (91-98 octane recommended)
Oil Capacity:
Approximately 10.0 Liters (10.5 Quarts)
Oil Filter Part Number:
Examples: Mann Filter W940/24, Mahle OC 271
Coolant Type:
Ethylene glycol-based antifreeze (e.g., 50/50 mix with distilled water)
Transmission Type:
5-speed Manual
Optional Transmission:
N/A for VT models in this period (VT implies viscous traction system)
Drivetrain:
All-Wheel Drive (VT designation), with viscous central differential
Transmission Fluid Type:
Specific high-performance gear oil (refer to manual for exact specifications, e.g., SAE 75W-90 GL-5)
Length:
Approximately 4480 mm (176.4 in)
Width:
Approximately 2030 mm (79.9 in)
Height:
Approximately 1110 mm (43.7 in)
Wheelbase:
Approximately 2650 mm (104.3 in)
Curb Weight:
Approximately 1570 kg (3461 lbs)
Gross Vehicle Weight Rating:
N/A (typically not specified for such vehicles)
Crash Test Ratings:
Not Applicable (Vehicles of this era and type were not subjected to standardized crash testing like modern passenger cars)
Braking System:
Ventilated disc brakes front and rear, ABS (Anti-lock Braking System)
Traction Control:
All-wheel-drive system with viscous coupling
Seat Belts:
Three-point inertia-reel seat belts
Airbags:
Driver's side airbag (standard on 1993/1994 models)
Audio System:
Premium audio system (e.g., Alpine or Blaupunkt), CD player, AM/FM radio
Climate Control:
Manual or semi-automatic climate control
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Viscous traction system for AWD
Connectivity Features:
Limited (primarily focused on vehicle performance and driver experience, no modern connectivity like Bluetooth or USB)
Oil Change Interval:
Every 5,000 - 7,500 miles (8,000 - 12,000 km) or annually, whichever comes first
Major Service Interval:
Every 15,000 - 30,000 miles (24,000 - 48,000 km) for comprehensive checks and component replacements (e.g., timing belts if applicable to this specific V12 variant, spark plugs)
Engine Oil Specification:
Synthetic SAE 10W-60 or 15W-50 (refer to manual for specific viscosity based on ambient temperature)
Brake Fluid Specification:
DOT 4 or higher (e.g., DOT 5.1 recommended for high-performance applications)
Power Steering Fluid Specification:
Specific hydraulic fluid, often CHF 11S or equivalent
Common Wear Items:
Clutch wear, suspension bushings, aging electrical connectors, catalytic converters
Potential Problems:
Overheating due to cooling system design, fuel pump reliability, early electronic control unit (ECU) issues
Manufacturer Philosophy:
Exotic, high-performance, motorsport-inspired automobiles
Predecessor:
Lamborghini Countach
Diablo Introduction:
Introduced in 1990, replacing the Countach
Vt Introduction:
VT (Viscous Traction) model introduced in 1992, offering improved handling and stability with a front viscous coupling
Production Period:
1990-2001
Manufacturing Location:
Sant'Agata Bolognese, Italy
