🏷️ Basic Information Identification Make: Alfa Romeo Model: 155 Production Years Covered: 1992-1998 Market Segments: Compact Executive Sedan Codes Chassis Code: Type 167 👋 Introduction Market Position Segment Competitors: BMW 3 Series (E36), Mercedes-Benz C-Class (W202), Audi A4 (B5) Design Philosophy: Sporty handling, distinctive Italian styling, driver-focused cockpit Competitive Analysis Differentiation: More sporting focus, unique chassis dynamics, distinct aesthetics compared to German rivals. Key Features Suspension Design: Multi-link rear suspension (on many variants) and MacPherson strut front suspension contribute to renowned Alfa Romeo handling. Engine Options: Iconic Alfa Romeo Twin Spark and V6 engines, offering excellent performance and sound. Q4 System: Advanced permanent four-wheel-drive system on the Q4 model, providing exceptional traction and stability. 📋 Manual Details Coverage Areas General Coverage: Complete Workshop Manual Specific Models Covered: All Alfa Romeo 155 variants (Sport, Super, Q4) Page Count Estimated Pages: Hundreds Manual Type Type: Official Workshop Manual / Service Manual / Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals, fuel system, ignition system, cooling system, exhaust system, lubrication system Drivetrain: Transmission (manual and automatic), clutch, differentials, drive shafts, Q4 all-wheel-drive system Chassis: Suspension (front and rear), steering system, brakes (front and rear), wheels and tires Electrical: Entire electrical system, lighting, instrumentation, starting and charging system, body electronics, diagnostic procedures, wiring diagrams Body: Body construction, exterior panels, interior trim, doors, windows, seats, HVAC system Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections Diagnostics: Troubleshooting common problems, fault diagnosis for all major systems Repair: Detailed step-by-step repair procedures for all components, including complete disassembly and reassembly instructions Electrical Service: Wiring harness repair, component replacement, diagnostic tools Technical Depth Level Of Detail: Comprehensive, suitable for both DIY and professional mechanics Illustrations: Hundreds of photos, drawings, and diagrams Guidance Features: Step-by-step instructions, detailed substeps, notes, cautions, warnings, bold figure numbers 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF Print Quality Printability: All pages printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Codes: Twin Spark (e.g., 1.7, 1.8, 2.0), V6 Busso (e.g., 3.0) Engine Variants Twin Spark Engines: Inline-4 cylinder, DOHC, 2 spark plugs per cylinder for improved combustion efficiency. V6 Busso Engines: 90-degree V6, DOHC, renowned for its charismatic sound and power delivery. Performance Typical Horsepower Range: 115 hp (1.7 TS) to 230 hp (3.0 V6 24V Q4) Typical Torque Range: 150 Nm (1.7 TS) to 280 Nm (3.0 V6 24V Q4) Fuel System Injection Type: Bosch Motronic electronic fuel injection (EFI) 🔧 Transmission Standard Gearbox Types: 5-speed manual gearbox Optional Automatic Transmission: 4-speed automatic (e.g., ZF 4HP18) available on some models Features Q4 Drivetrain: Viscous coupling center differential and Torsen rear differential for advanced torque distribution. 📐 Dimensions Exterior Length: Approx. 4,300 mm (varies slightly by model) Width: Approx. 1,700 mm Height: Approx. 1,420 mm Weights Curb Weight: Approx. 1,250 kg to 1,450 kg (depending on engine and drivetrain) 🛡️ Safety Features Ratings Crash Test Performance: Limited official Euro NCAP data for this specific period, but generally considered safe for its era. Manual will detail passive safety features. Active Features Braking System: Front ventilated discs, rear discs. ABS typically standard or optional. Passive Features Airbags: Driver airbag standard, passenger airbag optional/standard on later models. Body Structure: Reinforced safety cage and crumple zones. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette player, often with CD compatibility on later models. Manual covers system removal/installation. Driver Assistance ABS: Anti-lock Braking System, functionality and troubleshooting detailed in the manual. Connectivity Lighting Controls: Manual details operation and maintenance of headlights, taillights, interior lighting, and fog lamps. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles or annually, check manual for specific engine recommendations. Timing Belt Replacement: Crucial for Twin Spark engines, typically every 3-4 years or 30,000-50,000 miles. Manual provides precise intervals and procedure. Fluid Specifications Engine Oil: Refer to manual for specific viscosity (e.g., 10W-40, 15W-50) and API/ACEA specifications based on engine type. Coolant: Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Manual will specify type and capacity. Brake Fluid: DOT 4 or higher, as specified in manual. Transmission Fluid: Specific manual transmission fluid (MTF) and automatic transmission fluid (ATF) types as per manual. Known Issues Twin Spark Engine: Timing belt tensioner wear, valve stem seals, oil consumption, distributor/coil pack issues. Electrical System: Wiring loom degradation, sensor failures, ECU issues. Rust: Common for cars of this era, particularly around wheel arches, sills, and subframes. Manual covers body repair procedures. 📚 Vehicle History Brand Heritage Alfa Romeo Legacy: Renowned for sporting heritage, motorsport success, and distinctive Italian design. Model Evolution Introduction Year: 1992 Facelift Updates: Facelifted model introduced around 1995 with revised exterior styling (e.g., grille, bumpers, lights) and interior updates. Production Production Location: Milan, Italy Significance:...