Target Audience:
Alfa Romeo 155 1997 owners, DIY enthusiasts, independent repair shops, and automotive technicians seeking authoritative repair information.
Manual Authenticity:
Genuine factory service manual, not a third-party reproduction, ensuring accuracy and completeness.
Information Source:
Contains the same information that professional technicians and mechanics use.
User Friendliness:
Easy to use, with numbered instructions, detailed illustrations, diagrams, photos, and an intuitive table of contents. Search functionality allows for quick information retrieval.
Cost Savings:
Enables owners to perform their own servicing and repairs, potentially saving $50-$60 per hour in shop labor costs.
Versatility:
All styles covered, indicating comprehensive coverage across different trim levels or minor variations within the 1997 model year.
Mechanical Systems:
Engine mechanicals, powertrain (transmission, drivetrain, axles, differentials), suspension, steering, braking system, cooling system, fuel system, exhaust and emissions systems.
Electrical Systems:
Complete electrical system diagnosis, troubleshooting, wiring diagrams, lighting, ignition system, engine management electronics, comfort systems, and restraint systems.
Engine Control System:
Detailed coverage of the Engine Control Unit (ECU), sensors (e.g., crank position, cam position, O2 sensor), actuators (e.g., injectors, ignition coils), and diagnostic trouble codes (DTCs).
Chassis Body:
Information on the vehicle's structure, body panels, doors, hinges, locks, glass, and collision repair considerations.
Interior:
Details on interior trim, dashboard components, seating, climate controls, and associated electrical systems.
Heater Air Conditioning:
Comprehensive coverage of the HVAC system, including refrigerant handling, compressor, evaporator, condenser, blower motor, and climate control unit diagnostics.
Emission System:
Information on emission control components, catalytic converters, exhaust gas recirculation (EGR) systems, and evaporative emission control (EVAP) systems, along with diagnostic procedures.
Repair Procedures:
Step-by-step repair instructions for all major vehicle systems, including engine overhaul, transmission rebuilding, brake component replacement, suspension and steering alignment, and electrical component diagnosis.
Maintenance Procedures:
Detailed guidance on routine maintenance tasks such as oil changes, filter replacements, spark plug servicing, brake fluid flushes, coolant checks, lubrication points, and belt inspections.
Diagnostic Procedures:
Advanced troubleshooting guides for identifying and resolving mechanical and electrical faults, including symptom analysis and diagnostic flowcharts.
Troubleshooting Guide:
An advanced troubleshooting guide designed to help diagnose and correct a wide range of problems, with specific symptom-to-cause correlations and diagnostic steps.
Periodic Lubrication:
Detailed charts and diagrams indicating all lubrication points, recommended lubricants, and service intervals for chassis components.
Depth:
Comprehensive, covering everything from basic maintenance to complete rebuilds and advanced diagnostics, as used by factory-trained technicians.
Illustrations Diagrams:
Includes hundreds of illustrations, technical drawings, and photographs to visually guide the user through each repair procedure.
Torque Specifications:
Provides critical torque specifications for all fasteners and critical components, essential for ensuring proper assembly and preventing damage.
Parts Identification:
Detailed illustrations, often with zoomed inset views, to help identify and examine specific parts during repair and assembly.
Repair Procedure Format:
Step-by-step instructions with detailed substeps, numbered instructions, notes, cautions, and warnings to ensure accuracy and safety.
Compatibility:
Compatible with all PC-based Windows operating systems and Mac.
Accessibility:
Accessible via Adobe PDF Reader, a widely available and free software.
Printability:
Fully printable, allowing users to print individual pages, chapters, or the entire manual without restriction.
Resolution:
High resolution, ensuring clarity of text, diagrams, and illustrations.
Binding:
Digital download (printable on demand), eliminating the need for physical binding.
Paper Quality:
N/A (Digital format)
Engine Options:
Covers various engine configurations for the 1997 Alfa Romeo 155, likely including Twin Spark (4-cylinder) and V6 (Busso) variants. Specific displacement and power figures vary by region and trim.
Performance Details:
Provides specifications for horsepower, torque, engine speeds, and other performance-related parameters for each engine variant.
Fuel Delivery:
Detailed information on the fuel injection systems, fuel pumps, injectors, fuel pressure regulators, and diagnostic procedures for these components.
Engine Management:
Covers the specific engine management systems and parameters relevant to the 1997 model, likely including details on ignition timing, fuel delivery mapping, and emissions control.
Crash Test Data:
While specific crash test ratings (e.g., Euro NCAP) are not explicitly mentioned, the manual covers the restraint system (airbags, seatbelts), implying safety system information.
Braking System:
Details on ABS (Anti-lock Braking System), brake fluid type and bleeding procedures, caliper, rotor, and pad specifications.
Restraint System:
Information on airbags, seatbelt pre-tensioners, and related control modules and sensors.
Scheduled Maintenance:
Provides recommended service intervals for oil changes, filter replacements, belt inspections/replacements, fluid checks, and other routine maintenance tasks based on mileage or time.
Engine Oil:
Specifies recommended engine oil viscosity grades (e.g., SAE 10W-40, SAE 5W-40) and API service classifications. Likely Selenia brand is often recommended.
Coolant:
Details on the type of coolant required (e.g., ethylene glycol-based) and the correct mixture ratio with distilled water.
Brake Fluid:
Specifies the required DOT rating for brake fluid (e.g., DOT 3 or DOT 4).
Transmission Fluid:
Information on the correct type and quantity of transmission fluid for both manual and automatic gearboxes.
Power Steering Fluid:
Specifies the correct type of fluid for the power steering system.
Manual Gearbox Oil:
Details on the specific type and viscosity of oil required for the manual transmission.
Differential Oil:
Information on the correct gear oil for the front differential and any rear differentials (for Q4 models).
Common Problems:
While not explicitly listed, factory manuals often implicitly address common wear items and potential failure points through detailed repair procedures and troubleshooting sections, such as timing belt maintenance on Twin Spark engines, suspension component wear, and electrical connector issues.