🏷️ Basic Information Identification Make: Alfa Romeo Model: 166 Engine: 2.5 V6 (likely 'Busso' V6) Codes Vehicle Codes: Type 936 👋 Introduction Market Position Segment: Executive Sedan Competitive Analysis Competitors: BMW 5 Series (E39), Mercedes-Benz E-Class (W210), Audi A6 (C5), Volvo S80. Key Features Design Philosophy: Emphasized Italian styling, driver engagement, and luxury appointments, often with a focus on the 'driving experience'. Engine Emphasis: Known for the sonorous and powerful Alfa Romeo 'Busso' V6 engine. Target Audience Demographic: Discerning drivers appreciating performance, style, and a distinct European driving character. 📋 Manual Details Coverage Areas Years Covered: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Manual Type Type: Factory Service Repair Manual Language Language: English Format File Format: ISO (for disc image) Print Quality: Printable without restriction Searchability: Likely includes searchable text within the ISO image, depending on the original source 📖 Manual Coverage Systems Covered Engine: Complete engine diagnostics, repair, overhaul, cooling system, lubrication system, fuel system, ignition system, emissions control. Transmission: Manual and Automatic transmission servicing, repair, rebuild, clutch, driveline components (axles, driveshafts). Brakes: Hydraulic brake systems, ABS, brake pad/disc replacement, fluid flushing, parking brake. Suspension: Front and rear suspension components, shock absorbers, springs, bushings, wheel alignment. Steering: Power steering system, steering rack, column, wheel balancing. Electrical: Battery, charging system (alternator), starter motor, lighting systems, instrumentation, warning systems, audio system wiring, climate control electrical components. Bodywork: Body frame and mounting, exterior panels, interior trim, doors, windows, seals, bumpers. Climate Control: HVAC system, refrigerant, compressor, heater core, A/C diagnostics. Exhaust: Exhaust system components, catalytic converter, mufflers, pipes. Fuel: Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel lines. Procedures Included Maintenance: Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, lubrication. Troubleshooting: Systematic diagnosis of faults, common problems, symptom-based troubleshooting guides. Repair: Step-by-step repair procedures for all major vehicle systems, including component replacement and adjustment. Electrical Diagnostics: Detailed wiring diagrams, electrical component testing, troubleshooting electrical issues. Engine Rebuild: Full engine overhaul procedures, including torque specifications, clearances, and assembly sequences. Technical Depth Depth: Comprehensive, covering from basic maintenance to advanced engine and transmission rebuilds, including detailed electrical system schematics. 📊 Manual Specifications File Format Format: ISO Disk Image Requirements: Requires mounting software such as DAEMON Tools, PowerISO, or similar. Print Quality Printability: High quality, printable pages for easy reference during repairs. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code Designation: Likely the 2.5L V6 'Busso' engine (e.g., AR32401, AR32405 variations). Performance Horsepower Range: Approximately 190-192 hp (at 6300 rpm). Torque Range: Approximately 210-215 lb-ft (at 5000 rpm). Fuel System Fuel Delivery: Multi-point fuel injection (MPI) or Sequential Fuel Injection (SFI). Engine Layout Layout: V6, 60-degree bank angle. Engine Details Valvetrain: DOHC, 4 valves per cylinder (24 valves total). 🔧 Transmission Standard Type Standard: 5-speed Manual (likely Getrag 265 or similar). Optional Type Optional: 4-speed Automatic (likely ZF 4HP20 or similar). Features Transmission Features: Front-wheel drive layout, sport modes on automatic transmissions. 📐 Dimensions Exterior Length: Approximately 4737 mm (186.5 in). Width: Approximately 1770 mm (69.7 in). Height: Approximately 1437 mm (56.6 in). Weights Curb Weight: Approximately 1520-1600 kg (3350-3530 lbs). Wheelbase: Approximately 2700 mm (106.3 in). 🛡️ Safety Features Ratings Crash Test Data: Limited public Euro NCAP data available for early models; later models benefited from general safety advancements. Active Features Braking ABS: Standard Anti-lock Braking System (ABS). Traction Control: Optional or standard Traction Control System (ASR - Antipatinage) Passive Features Airbags: Driver and front passenger airbags; optional side airbags on later models. Seatbelts: Pre-tensioning seatbelts. 💡 Technology Features Infotainment Audio System: Factory radio/cassette/CD player, optional Bose sound system. Navigation: Optional factory navigation system on some higher-spec models. Driver Assistance Cruise Control: Standard or optional cruise control. Connectivity Phone Integration: Optional hands-free phone integration via Bluetooth on later models. 🔧 Maintenance Service Intervals Oil Change: Typically every 10,000-15,000 km (6,000-9,000 miles) or annually, refer to manual for exact spec. Timing Belt Replacement: Crucial for the 'Busso' V6; typically every 90,000-120,000 km (56,000-75,000 miles) or 5-6 years. Failure is catastrophic. Fluid Specifications Engine Oil Grade: Refer to manual for specific 'Busso' V6 recommendations (e.g., Selenia 10W-40 or 10W-50, or equivalent synthetic). Coolant Type: Ethylene glycol-based coolant, typically requiring specific OAT (Organic Acid Technology) or HOAT formulations as per manufacturer. Brake Fluid Type: DOT 3 or DOT 4. Transmission Fluid Manual: GL-4 or GL-5 gear oil, viscosity as per manual (e.g., 75W-90). Transmission Fluid Automatic: Specific ATF (Automatic Transmission Fluid) type; refer to manual for ZF 4HP20 specifications. Known Issues Engine Component Wear: Timing belt tensioner and idler pulley reliability, camshaft/crankshaft seal leaks, potential oil consumption. Electrical Gremlins: Common in Italian cars of this era; issues with sensors, wiring harnesses, central locking, and dashboard warning lights. Suspension Wear: Worn control arm bushings and ball joints...