🏷️ Basic Information Identification Make: Alfa Romeo Model: 166 Generation: First Generation (936) Production Years: 1998-2007 Codes Chassis Code: 936 👋 Introduction Market Position Positioning: The Alfa Romeo 166 was a flagship executive sedan, designed to compete with premium German marques. It offered a blend of distinctive Italian styling, luxurious appointments, and engaging driving dynamics. Competitive Analysis Competitors: BMW 5 Series (E39), Mercedes-Benz E-Class (W210), Audi A6 (C5), Volvo S80 Key Features Design: Iconic 'Scudetto' grille, sleek aerodynamic profile, luxurious interior with high-quality materials. Driving Dynamics: Renowned for its precise steering, compliant ride, and sporty handling, particularly with the V6 engines. Engine Options: Initially offered with naturally aspirated V6 'Busso' engines, later expanded to include turbodiesel options. 📋 Manual Details Coverage Areas Engine: 2.5 VB (V6 Busso) Model Years Covered: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Trim Levels Covered: All Trim Levels for the 2.5 VB Engine variant Transmission Types Covered: All Transmission Types for the 2.5 VB Engine variant (Manual and Automatic) Page Count Estimated Page Count: Extensive (Exact count not specified, but described as 'COMPLETE' and covering 'every single detail') Manual Type Type: Factory Service Repair Manual / Workshop Manual Language Language: Multilanguage Format Delivery Format: Digital Download 📖 Manual Coverage Systems Covered Powertrain: Engine Mechanical (2.5 VB V6 Busso), Fuel System, Ignition System, Exhaust System, Lubrication System, Cooling System Transmission: Manual and Automatic Transmission systems, including diagnosis and repair Chassis: Suspension (Front and Rear), Steering System, Brake System (including ABS), Wheels and Tires Electrical: Complete Electrical System, Wiring Diagrams, Lighting, Instruments, Power Accessories, ECU diagnosis Bodywork: Body Panels, Doors, Hood, Trunk, Interior Trim, Seats, Glass, HVAC System Emissions: Emission Control Systems, Diagnosis, and Repair Procedures Included Maintenance: Periodic Maintenance, Fluid Changes (Oil, Coolant, Brake Fluid, Transmission Fluid), Filter Replacements, Spark Plug Replacement Troubleshooting: Diagnostic procedures for all systems, fault code interpretation, symptom-based troubleshooting Repair: Detailed step-by-step repair instructions for all components, including complete disassembly and reassembly procedures Technical Specifications: Torque specifications, clearances, fluid capacities, electrical component values Technical Depth Depth: Comprehensive: From basic maintenance to complete engine rebuilds and advanced electrical diagnostics. 📊 Manual Specifications File Format Format: .ISO (Disc Image) / .EXE (Application) Print Quality Printability: Printable without restriction Binding Type Binding: N/A (Digital Delivery) Paper Type Paper Quality: N/A (Digital Delivery) Software Requirements Viewing Requirements: Requires Daemon Tools, MagicISO, or similar disc imaging software. ⚙️ Engine Specifications Primary Engine Engine Name: Alfa Romeo V6 'Busso' (2.5 Litre) Engine Configuration: 60-degree V6 Displacement: 2493 cc (2.5 Liters) Bore X Stroke: 81.0 mm x 80.7 mm Valvetrain: DOHC (Dual Overhead Camshafts), 4 valves per cylinder (24 valves total) Performance Horsepower: Approximately 190 PS (187 hp; 139 kW) at 6300 rpm (exact figures may vary slightly by specific model year and market). Torque: Approximately 220 Nm (162 lb-ft) at 5000 rpm (exact figures may vary slightly by specific model year and market). Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Recommended Fuel: Unleaded Petrol (Octane rating typically 95 RON or higher recommended for optimal performance) 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transmission Optional Optional Transmission: 4-speed Automatic Transmission (often referred to as 'Q-System' by Alfa Romeo) Features Automatic Features: Sport/Normal modes, often with a manual override option. 📐 Dimensions Exterior Length: Approximately 4700 mm (185.0 in) Width: Approximately 1760 mm (69.3 in) Height: Approximately 1420 mm (55.9 in) Wheelbase: Approximately 2700 mm (106.3 in) Weights Curb Weight: Approximately 1500-1600 kg (3307-3527 lbs), depending on transmission and equipment. 🛡️ Safety Features Ratings Euroncap Rating: Not directly rated by Euro NCAP during its primary production run in a comparable format to modern standards. Earlier safety standards applied. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (ASR) Brakes Front: Ventilated Discs Brakes Rear: Solid Discs Passive Features Airbags: Driver and Front Passenger Airbags, available side airbags on later models. Seatbelts: Pre-tensioned seatbelts with load limiters Chassis Design: Reinforced safety cell, crumple zones 💡 Technology Features Infotainment Infotainment System: Early models featured basic radio/cassette players or CD players. Later models offered optional CD changers and improved audio systems. Driver Assistance Cruise Control: Available as an option or standard on higher trims. Parking Sensors: Available on later models. Connectivity Connectivity Features: Limited by era; typically basic phone integration or aftermarket solutions. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 km (6,000-9,000 miles) or 12 months, whichever comes first, depending on driving conditions and oil used. Consult manual for specific intervals. Timing Belt Replacement: Crucial service for the Busso V6. Recommended replacement every 60,000-100,000 km (37,000-62,000 miles) or 5 years, along with tensioners and water pump. Failure leads to catastrophic engine damage. Fluid Specifications Engine Oil: API SJ/SL, ACEA A3/B3 or A3/B4. Viscosity typically 10W-40 or 15W-40, but consult manual. Consider full synthetic for optimal protection. Coolant: Ethylene glycol-based coolant with anti-corrosion...