🏷️ Basic Information Identification Make: Alfa Romeo Model: 166 Engine Variant: 2.0 TS (Twin Spark) Production Years: 1998-2008 Codes Chassis Code: 936 👋 Introduction Market Position Segment: Executive Sedan Competitive Analysis Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Volvo S80, Jaguar S-Type during its production run. Key Features Design Philosophy: Characterized by elegant Italian styling, driver-focused cockpit, and strong performance from its Twin Spark engine. Value Proposition: Offers a blend of luxury, performance, and distinctive Italian flair, often at a more accessible price point than German rivals. 📋 Manual Details Coverage Areas Regions Covered: Multilanguage Page Count Estimated Page Count: Comprehensive (exact number not specified, but implies full factory documentation) Manual Type Type: Factory Service Repair Manual / Workshop Manual Language Primary Language: Multilanguage (likely includes English, Italian, German, French, Spanish) Format Delivery Format: Downloadable Digital File 📖 Manual Coverage Systems Covered Engine: Detailed coverage of 2.0 TS Twin Spark engine systems, including timing, valve actuation, lubrication, and cooling. Fuel System: Includes fuel injection system, throttle body, fuel pump, injectors, and fuel pressure regulation. Cooling Lubrication: Comprehensive details on radiator, water pump, thermostat, coolant flow, oil pump, oil pan, and oil filter housing. Chassis: Covers suspension (front and rear), steering system, wheel bearings, and driveline components. Electrical System: Extensive coverage of starting and charging systems, lighting, ignition, body electronics, comfort systems, and diagnostic connectors. Brakes: Details on brake system components, hydraulic circuits, ABS, and brake pad/disc replacement procedures. Bodywork: Likely includes information on body panel removal/installation, door mechanisms, and trim. Procedures Included Maintenance: Periodic maintenance schedules, fluid changes, filter replacements, and general inspections. Troubleshooting: Diagnostic procedures, fault finding, and common issue resolution across all vehicle systems. Repair: Step-by-step repair instructions for component disassembly, overhaul, and reassembly. Diagnostics: Information on diagnostic trouble codes (DTCs), live data interpretation, and use of diagnostic tools. Technical Depth Level Of Detail: Complete factory-level technical information, suitable for both DIY enthusiasts and professional mechanics. Diagrams Illustrations: High-quality diagrams, exploded views, and illustrations to guide repair and maintenance tasks. Specific Procedures: Covers complete disassembly and reassembly of major mechanical and electrical components. 📊 Manual Specifications File Format Format: .ISO / .exe Print Quality Printable: Printable without restriction Binding Type Binding Type Digital: N/A (Digital Download) Paper Type Paper Type Digital: N/A (Digital Download) Software Requirements Reader Software: DAEMON Tools, MagicISO, or similar disc imaging software recommended for .ISO file. ⚙️ Engine Specifications Primary Engine Engine Code: Likely AR34101 / AR34201 variants for the 2.0 TS Engine Type: Inline 4-cylinder, 16-valve, DOHC with Twin Spark ignition system. Displacement: 1970 cc (2.0 Liters) Performance Bore X Stroke: 83 mm x 91 mm (typical for this engine family) Compression Ratio: Approx. 10.3:1 Horsepower: Approx. 150-155 PS (110-114 kW; 148-153 hp) @ 6400 rpm Torque: Approx. 187-192 Nm (138-142 lb-ft) @ 4000-4200 rpm Fuel System Fuel Delivery: Bosch Motronic Multi-point Sequential Fuel Injection (MPI) Fuel Type: Unleaded gasoline (95 RON recommended) Ignition System Ignition Type: Twin Spark (two spark plugs per cylinder) for improved combustion efficiency and emissions. 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission (Getrag or similar) Optional Transmission Type: ProTronic 4-speed Automatic Transmission (with manual override) Features Clutch: Hydraulically operated dry single-plate clutch. 📐 Dimensions Exterior Length: Approx. 4754 mm (187.1 inches) Width: Approx. 1765 mm (69.5 inches) Height: Approx. 1430 mm (56.3 inches) Wheelbase: Approx. 2700 mm (106.3 inches) Weights Curb Weight: Approx. 1460-1500 kg (3219-3307 lbs), depending on transmission and equipment. 🛡️ Safety Features Ratings Euroncap Rating: 4 out of 5 stars (Euro NCAP 1999) Active Features ABS: Standard Anti-lock Braking System (ABS) with EBD (Electronic Brake-force Distribution). Traction Control: Optional or standard depending on trim level (ASR - Acceleration Slip Regulation). Passive Features Airbags: Frontal airbags for driver and passenger; optional side airbags. Seatbelts: Pre-tensioning front seatbelts. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette or CD player, often with steering wheel controls. Bose sound system was an option. Navigation: Optional satellite navigation system available, often integrated into the dashboard display. Driver Assistance Cruise Control: Standard or optional cruise control system. Climate Control: Automatic dual-zone climate control was a common feature. 🔧 Maintenance Service Intervals Oil Change: Recommended every 15,000 km (9,000 miles) or 12 months, whichever comes first (using correct oil specification). Timing Belt: Crucial interval: Replace every 60,000 km (37,000 miles) or 4 years. Failure can cause catastrophic engine damage. Fluid Specifications Engine Oil: Refer to manual for specific SAE grade (e.g., 10W-40, 15W-50) and API/ACEA specifications (e.g., ACEA A3/B3 or A3/B4). Selenia is the OEM brand. Coolant: Ethylene glycol-based antifreeze with corrosion inhibitors (e.g., Paraflu UP or equivalent). Brake Fluid: DOT 4 brake fluid. Known Issues Electrical Gremlins: Common for older Italian cars, can include sensor issues, wiring harness degradation, and interior electronics faults. The manual will aid in diagnosing these. Engine Oil Consumption: Some Twin Spark engines can consume...