🏷️ Basic Information Identification Make: Alfa Romeo Model: 155 Year: 1994 Codes Chassis Code: 155 👋 Introduction Market Position Market Segment: Compact Executive Sedan Competitive Analysis Key Competitors: BMW 3 Series, Mercedes-Benz C-Class, Audi A4, Saab 900 Key Features Design Philosophy: Sporty handling, Italian design flair, driver-focused cockpit. Engine Variants: Known for its lively Twin Spark and potent V6 engines. Manual Purpose Target User Benefit: Empowers owners with factory-level repair and maintenance knowledge. 📋 Manual Details Coverage Areas Manual Type: Repair Service Manual Primary Audience: Professional Technicians, DIY Mechanics Page Count Estimated Page Count: Varies (typical for factory service manuals of this era) Language Language: English Format File Format: PDF Delivery: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating Systems: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul and repair procedures for Alfa Romeo Twin Spark and V6 engines. Engine Management: Fuel injection systems (Bosch Motronic), ignition systems, emission controls. Transmission: Manual and Automatic transmission disassembly, assembly, and repair. Drivetrain: Front-wheel drive system, driveshafts, differential, transaxle (if applicable). Suspension: Front MacPherson struts, rear multi-link suspension, shock absorbers, springs, bushings. Steering: Power steering system, steering rack, tie rods, steering column. Brakes: Front and rear disc brakes, ABS system (if equipped), brake hydraulics, parking brake. Electrical System: Wiring diagrams, lighting, starter, alternator, battery, fuses, relays. Body And Chassis: Body panel removal and installation, doors, hood, trunk, interior trim. Climate Control: HVAC system components, refrigerant, operation, and servicing. Interior: Seats, dashboard, instrumentation, airbags (if equipped). Procedures Included Maintenance: Routine maintenance tasks, fluid changes, filter replacements, tune-ups. Disassembly: Step-by-step instructions for component removal. Assembly: Step-by-step instructions for component reinstallation. Repair: Detailed repair procedures for all major vehicle systems. Troubleshooting: Diagnostic charts and procedures for identifying and resolving common problems. Cleaning: Procedures for cleaning specific components during overhaul. Special Tools: Identification and usage of specialized tools required for specific repairs. Technical Depth Depth Of Coverage: Comprehensive coverage comparable to factory service manuals, suitable for advanced DIY and professional use. 📊 Manual Specifications File Format Print Quality: Full Printable Zoom Functionality: YES (Zoom IN/OUT) Binding Type Binding Type: Digital (PDF download, no physical binding) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type 1: Alfa Romeo Twin Spark (4-cylinder) Displacement 1: 1.7L (1779 cc) and 2.0L (1995 cc) Bore Stroke 1: Varies by specific engine Compression Ratio 1: Varies (e.g., 9.5:1 for 2.0L) Horsepower 1: Approx. 129-155 hp (depending on variant) Torque 1: Approx. 170-195 Nm (depending on variant) Fuel System 1: Bosch Motronic Fuel Injection Ignition System 1: Electronic Ignition with Distributor Cooling System 1: Water-cooled, pressurized system Optional Engine Engine Type 2: Alfa Romeo V6 (Busso V6) Displacement 2: 2.5L (2492 cc) Horsepower 2: Approx. 160-180 hp Torque 2: Approx. 220-235 Nm Fuel System 2: Bosch Motronic Fuel Injection Engine Notes: Twin Spark engines feature two spark plugs per cylinder for improved combustion efficiency. 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Optional Transmission Type Optional: 4-speed Automatic (e.g., ZF) Features Clutch Type: Hydraulically operated single dry plate clutch Gear Ratios: Specific ratios provided in manual for each engine/transmission combination. Transmission Fluid Spec: Refer to manual for specific fluid types (e.g., SAE 75W-90 GL-4 for manual) 📐 Dimensions Exterior Length: Approx. 4400 mm (173.2 in) Width: Approx. 1700 mm (66.9 in) Height: Approx. 1420 mm (55.9 in) Wheelbase: Approx. 2570 mm (101.2 in) Weights Curb Weight: Approx. 1200-1350 kg (2645-2976 lbs) depending on engine and trim Gross Vehicle Weight Rating: Specific to model variant, consult manual. Interior Seating Capacity: 5 Passengers 🛡️ Safety Features Ratings Safety Certification: Euro NCAP (New Car Assessment Programme) not widely available for this specific year and model in detailed reports. Active Features ABS: Available on certain trims/options. Passive Features Airbags: Driver airbag standard on most 1994 models; passenger airbag optional or on higher trims. Seatbelts: Front and rear seatbelts, pre-tensioners may be present on front belts. Crumple Zones: Designed with front and rear crumple zones for impact absorption. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette player, often with rudimentary speaker systems. Manual covers basic electrical connections. Driver Assistance ABS: Anti-lock Braking System (ABS) availability and operation. Manual provides diagnostic and repair for the ABS module and sensors. Connectivity Connectivity Features: Limited by era; no Bluetooth or USB connectivity. Focus is on fundamental vehicle systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, consult manual for exact interval. Timing Belt Replacement: Crucial for Twin Spark engines; typically every 60,000-80,000 km (37,000-50,000 miles) or 4-5 years. Manual provides specific intervals and procedures. Fluid Specifications Engine Oil Type: Refer to manual for specific viscosity grade (e.g., 10W-40, 15W-40) and API/ACEA specifications. Coolant Type: Antifreeze/coolant concentrate (e.g., ethylene glycol-based), often a 50/50 mix with distilled water. Manual will...