🏷️ Basic Information Identification Make: Alfa Romeo Model: 166 Generation: First Generation (Type 936) Production Years Covered: 1998-2008 Codes Engine Code Identifier: 2.5 VB (Likely refers to the 2.5 V6 Busso engine) 👋 Introduction Market Position Vehicle Segment: Executive Sedan (E-segment) Brand Perception: Known for distinctive Italian styling, sporty driving dynamics, and the iconic Busso V6 engine. Competitive Analysis Key Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Jaguar S-Type Key Features Manual Advantage: Professional workshop level information, detailed diagrams, and step-by-step procedures for efficient repair and maintenance. Digital Format Benefit: Instant access, portability (smartphones), and protection from grease/dirt compared to paper manuals. 📋 Manual Details Coverage Areas Vehicle Coverage: Alfa Romeo 166 2.5 V6 Busso models Market Coverage: Global (assumed based on professional workshop manual content) Page Count Estimated Page Count: N/A (Digital format, content depth is key) Manual Type Type: Full Service and Repair Manual Language Language: English Format Delivery Method: Instant Download File Format: Disc Image File (.ISO) / Application (.exe) Software Requirement: Disc mounting software (e.g., DAEMON Tools, MagicISO) 📖 Manual Coverage Systems Covered Powertrain: Engine (2.5 V6 Busso), Fuel System, Ignition System, Exhaust System Drivetrain: Transmission (Manual & Automatic variants), Clutch, Driveshafts, Differential Chassis: Suspension (Front & Rear), Steering System, Brake System, ABS Electrical: Engine Management, Lighting, Instruments, Body Electrics, Audio System, Security System Bodywork: Body Panels, Interior Trim, Doors, Windows, Convertible Top (if applicable) Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Troubleshooting: Diagnostic Procedures, Fault Code Interpretation, Symptom-Based Diagnosis Repair: Component Replacement, Overhauls, Reassembly Procedures Diagnostics: ECU Diagnostics, Sensor Testing, Actuator Testing Technical Depth Depth: Comprehensive; covers basic maintenance to full rebuilds and complex diagnostics Instructions: Step-by-step instructions with detailed exploded views and diagrams Illustrations: High-quality diagrams and detailed illustrations Target Audience: Professional mechanics and DIY enthusiasts 📊 Manual Specifications File Format Compatibility: Windows OS (likely, given .exe and .ISO) Print Quality Printability: Full Printable (sections or entire manual) Zoom Functionality: Yes (Zoom In/Out for diagrams and text) Binding Type Binding: N/A (Digital download) Paper Type Paper Type: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Engine Type: V6, naturally aspirated Engine Name: Alfa Romeo V6 'Busso' Displacement: 2492 cc (2.5 Liters) Bore X Stroke: 93 mm x 60.9 mm (Typical for 2.5 Busso) Compression Ratio: 10.3:1 (Typical for 2.5 Busso) Valvetrain: DOHC, 4 valves per cylinder (24 valves total) Performance Horsepower: 190 PS (187 bhp / 140 kW) @ 6300 rpm (Typical for 2.5 Busso) Torque: 220 Nm (162 lb-ft) @ 5000 rpm (Typical for 2.5 Busso) Fuel System Fuel Delivery: Electronic Fuel Injection (MPI) Fuel Type: Unleaded gasoline (RON 95 recommended) Engine Management ECU Type: Bosch Motronic (specific variant depends on year/market) Emissions Standard: Euro 3 (for later models) 🔧 Transmission Standard Transmission Type: 5-speed Manual (Getrag 260 variants likely) Optional Transmission Type: 4-speed Automatic (ZF 4HP20 likely) Features Clutch Type: Hydraulic, single dry plate (Manual) Gear Ratios: Detailed ratios available within the manual Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W-90 (Check specific Alfa Romeo spec, e.g., Tutela or equivalent) Automatic Transmission Fluid: ZF TE-ML 11B or equivalent ATF (e.g., Dexron III) (Check specific Alfa Romeo spec) 📐 Dimensions Exterior Length: Approx. 4750 mm Width: Approx. 1770 mm Height: Approx. 1430 mm Wheelbase: Approx. 2700 mm Weights Curb Weight: Approx. 1500-1600 kg (depending on equipment) 🛡️ Safety Features Ratings Crash Test Ratings: Limited official Euro NCAP data for early models, later models improved. Consult specific year reports if available. Active Features ABS: Standard Traction Control: ASR (Anti-Slip Regulation) available on some models Brake System: Ventilated discs front, solid discs rear (typical) Passive Features Airbags: Driver and front passenger airbags standard; side airbags available on later models. Seatbelts: Pre-tensioning seatbelts with load limiters 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette or CD player with amplifier and speaker system. Bose sound system optional. Climate Control: Automatic dual-zone climate control Driver Assistance Cruise Control: Standard on most models Parking Sensors: Optional on later models Connectivity Phone Integration: Optional integrated hands-free car kit on some models 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000-15,000 km or 12 months (refer to manual for specific conditions) Timing Belt Replacement: Crucial for V6 Busso. Typically every 70,000-100,000 km or 5 years. **This manual will provide the exact interval and procedure.** Spark Plug Replacement: Typically every 40,000-60,000 km (depending on plug type) Fluid Specifications Engine Oil Type: API SJ or higher, ACEA A3/B3, SAE 10W-40 or 10W-30 (Specific Alfa Romeo approval, e.g., Selenia or equivalent recommended) Coolant Type: Ethylene glycol based antifreeze with corrosion inhibitors. Pink or Red coolant (e.g., Paraflu UP) Brake Fluid Type: DOT 4 Known Issues Engine Component: Timing belt tensioner and idler pulley wear; oil leaks from cam covers and crank seals; intake manifold runner issues (on some variants). Electrical Component: Minor electrical gremlins are not uncommon in...