🏷️ Basic Information Identification Make: Alfa Romeo Model: 155 Type: Sedan Generation: First Generation (1992-1997) Codes Chassis Code: 155 👋 Introduction Market Position Market Segment: Compact Executive Car (D-segment) Brand Philosophy: Sporty, stylish, and driver-focused Italian automobile. Competitive Analysis Key Competitors: BMW 3 Series, Mercedes-Benz C-Class, Audi 80/A4, Volvo S40/V40, Saab 900. Key Features Design Language: Sharply styled by Zagato, often noted for its polarizing front-end design and a blend of Italian flair and German engineering influence (due to some shared platform elements with the Opel Vectra). Driving Dynamics: Renowned for its engaging handling, communicative steering, and potent engine options, particularly the Twin Spark and V6 Busso units. Manual Usefulness Value Proposition: Enables owners and technicians to perform a wide range of maintenance and repair tasks, saving money on labor costs and ensuring proper vehicle upkeep. 📋 Manual Details Coverage Areas Model Years Covered: 1992-1997 Engine Variants Covered: All variants offered for the 155 model range during its production lifecycle, including Twin Spark, V6 Busso, and turbodiesel engines. Page Count Page Count: Not specified, but described as 'complete' and containing 'detailed instructions and step by step diagrams'. Manual Type Manual Type: Factory Workshop Repair Manual Supplement Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals (Twin Spark, V6 Busso, Turbodiesel), fuel system, ignition system, exhaust system, cooling system, lubrication system. Transmission Drivetrain: Manual and automatic transmissions, clutch, differentials, driveshafts, constant velocity joints, transaxle components (where applicable). Suspension Steering: Front and rear suspension components, shock absorbers, springs, anti-roll bars, steering rack, power steering system, wheel alignment. Brakes: Brake system hydraulics, calipers, rotors, pads, ABS system (if equipped), parking brake. Electrical Electronics: Battery, charging system, starter motor, lighting system, wipers, horn, instrumentation, fuse box, ECU diagnostics (OBD I/II dependent on year), body control modules. Body Interior: Body panels, doors, hood, trunk, glass, interior trim, seats, dashboard, HVAC system, body sealing. Procedures Included Maintenance: Routine servicing, oil changes, filter replacements, fluid level checks and changes, spark plug replacement, belt inspection and replacement. Diagnostics: Troubleshooting common issues, diagnostic flowcharts, fault code interpretation (where applicable), component testing. Repair Overhaul: Engine removal and installation, cylinder head service, transmission overhaul, brake caliper rebuild, suspension component replacement, electrical component repair. Disassembly Assembly: Detailed step-by-step instructions for disassembling and reassembling various vehicle components and systems. Technical Depth Depth: Comprehensive, covering from basic maintenance to major component overhauls and advanced diagnostics. 📊 Manual Specifications File Format File Format: PDF Compatibility: All Versions of Windows & Mac Reader Requirement: Adobe PDF Reader Print Quality Print Restriction: Without any restriction Binding Type Binding Type: Digital Download (Printable) Paper Type Paper Type: Not Applicable (Digital) ⚙️ Engine Specifications Primary Engine Twin Spark: 1.8L and 2.0L Twin Spark DOHC 16-valve inline-4. V6 Busso: 2.5L and 3.0L V6 Busso DOHC 24-valve naturally aspirated V6. Turbodiesel: 1.9L and 2.1L Turbodiesel inline-4 (various configurations). Performance Power Output Range: Approximately 115 hp (1.8 TS) to 215 hp (3.0 V6 QV). Torque Output Range: Approximately 160 Nm (1.8 TS) to 270 Nm (3.0 V6 QV). Fuel System Fuel Injection: Electronic multi-point fuel injection (MPI) for petrol engines; direct injection for turbodiesel variants. Maintenance Points Timing Belt Ts: Critical component for Twin Spark engines, requiring regular replacement (typically 60,000-90,000 km or 5-7 years). Oil Type V6: High-quality synthetic oil (e.g., 10W-40 or 15W-50 depending on climate) recommended for the Busso V6 to ensure longevity. 🔧 Transmission Standard Gearbox Options: 5-speed manual transmission, 4-speed automatic transmission (e.g., ZF 4HP18). Optional All Wheel Drive: Q4 variants featured a viscous coupling center differential and Torsen rear differential, offering all-wheel drive capability. Features Clutch Type: Hydraulically operated single dry plate clutch for manual transmissions. Maintenance Transmission Fluid Manual: API GL-4 SAE 75W-90 or 80W-90 gear oil. Transmission Fluid Automatic: Refer to manual for specific ATF type, typically Dexron III or equivalent. 📐 Dimensions Exterior Length: Approximately 4340 mm (170.9 in) Width: Approximately 1715 mm (67.5 in) Height: Approximately 1425 mm (56.1 in) Wheelbase: Approximately 2600 mm (102.4 in) Weights Curb Weight: Approximately 1300-1500 kg (2866-3307 lbs) depending on engine and configuration. Gross Vehicle Weight: Refer to specific model documentation. 🛡️ Safety Features Ratings Crash Test Data: Limited publicly available Euro NCAP or NHTSA data for early models. Later models may have improved safety features. Active Features ABS: Anti-lock Braking System (ABS) available on most models, standard on higher trims and later production years. Traction Control: ASR (Anti-Slip Regulation) or Traction Control System (TCS) available on select performance models. Passive Features Airbags: Driver and front passenger airbags standard on later models, side airbags optional on some trims. Seatbelts: Pre-tensioning front seatbelts. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette player, with options for CD players on later models. Speaker configurations varied by trim. Climate Control: Manual or optional automatic climate control (HVAC) system. Driver Assistance Cruise Control: Available as...