🏷️ Basic Information Identification Make: Alfa Romeo Model: 155 Year: 1998 👋 Introduction Market Position Segment: Compact Executive Sedan Target Audience: Enthusiasts seeking a sporty European sedan with distinct styling. Competitive Analysis Key Competitors: BMW 3 Series (E36), Mercedes-Benz C-Class (W202), Audi A4 (B5). Key Features Platform: Shared platform with Fiat Tipo. Styling: Designed by Pininfarina, featuring a distinctive aggressive front fascia and spoiler. Performance Orientation: Known for its engaging driving dynamics and performance-oriented variants. 📋 Manual Details Coverage Areas Manual Type: Repair Service Manual Language: English Format: PDF Download Delivery Method: Instant Download Audience Level: Professional Technicians and Advanced DIY Mechanics Requirements: Adobe PDF Reader, WinZip Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, repair, and reassembly of all engine components. Engine Management: Ignition system, fuel injection system, emissions control, sensor diagnostics. Transmission Manual: Clutch system, gearbox overhaul, gearshift linkage, lubrication. Transmission Automatic: Torque converter, planetary gears, hydraulic control, electronic control unit (ECU) diagnosis. Drivetrain: Front-wheel drive (FWD) components, driveshafts, constant velocity (CV) joints, differentials. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, bushings, alignment specifications. Steering: Power steering system, steering rack, tie rods, steering column, lubrication. Brakes: Front and rear brake systems (disc/disc or disc/drum configurations), hydraulic system, ABS components, brake fluid specifications. Electrical System: Battery, alternator, starter motor, lighting systems, wiring diagrams, fuses, relays. Body And Chassis: Body panel repair, door mechanisms, glass replacement, interior trim removal and installation, structural components. HVAC: Heating, ventilation, and air conditioning (HVAC) system diagnosis, refrigerant handling, component replacement. Procedures Included Routine Maintenance: Oil and filter changes, fluid level checks and top-offs, spark plug replacement, air filter replacement. Scheduled Maintenance: Timing belt replacement, coolant flush and replacement, brake fluid flush. Disassembly Assembly: Step-by-step instructions for removing and reinstalling major components and sub-assemblies. Troubleshooting: Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides. Repair Rebuilding: Detailed instructions for repairing or rebuilding specific components and systems. Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle systems. Torque Specifications: Precise torque values for all critical fasteners. Technical Depth Depth: Comprehensive coverage suitable for major overhauls and advanced diagnostics. 📊 Manual Specifications File Format Format: PDF Print Quality: Full Printable Zoom Functionality: Yes Binding Type Type: Digital Download (compared to traditional paper binding) Paper Type Type: Not Applicable (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Examples: For the 1998 model year, common engines included the 2.0L Twin Spark (16v) and potentially 1.8L and 2.5L V6 variants. Performance Power Output Range: Typically ranging from approximately 140 hp (1.8L) to 190 hp (2.0L Twin Spark). Torque Output Range: Corresponding torque figures would vary by engine, generally in the 170-220 Nm range for the 2.0L. Fuel System Injection Type: Multi-point fuel injection (MPI), often with electronic control. Fuel Type Recommended: Unleaded Petrol (Gasoline) Engine Features Twin Spark: The 2.0L Twin Spark engine features two spark plugs per cylinder for improved combustion efficiency and performance. 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: Some models may have offered a 4-speed Automatic Transmission. Features Gear Ratios: Specific gear ratios are detailed within the manual for each engine/transmission combination. Fluid Specifications Manual Transmission Fluid: Refer to manual for specific API GL-4 or GL-5 grade gear oil recommendations (e.g., SAE 75W-90). Automatic Transmission Fluid: Refer to manual for specific ATF type (e.g., Dexron III or equivalent). 📐 Dimensions Exterior Length: Approx. 4370 mm (172.0 in) Width: Approx. 1700 mm (66.9 in) Height: Approx. 1420 mm (55.9 in) Wheelbase Dimension: Approx. 2570 mm (101.2 in) Weights Curb Weight: Varies by engine and trim, typically ranging from 1300-1450 kg (2866-3197 lbs). 🛡️ Safety Features Ratings Euro Ncap: Euro NCAP crash test data for the 155 is limited for this specific year, but the model generally performed moderately in contemporary tests. Active Features ABS: Anti-lock Braking System (ABS) typically standard or optional depending on trim level. Traction Control: Traction control systems (ASR) were available on some performance-oriented models. Passive Features Airbags: Driver and passenger airbags were common. Seatbelts: Pre-tensioning front seatbelts. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette or CD player. Upgrades are common. Climate Control: Manual or automatic climate control depending on trim. Service for the HVAC system is covered in detail. Driver Assistance Cruise Control: Optional on some models. 🔧 Maintenance Service Intervals Oil Change: Recommended every 10,000-15,000 km (6,000-9,000 miles) or 12 months, whichever comes first, using quality synthetic oil. Timing Belt: Critical: Recommended replacement every 60,000-80,000 km (36,000-50,000 miles) or 4-5 years, especially for Twin Spark engines due to potential catastrophic failure if it breaks. Coolant Flush: Recommended every 2-3 years. Fluid Specifications Engine Oil: Refer to manual for specific viscosity grade (e.g., 10W-40, 15W-40) and API/ACEA specifications. Often requires oils with specific additive packages for Twin Spark engines. Coolant: Ethylene glycol-based antifreeze. Refer...