Target Audience:
Enthusiasts, DIY mechanics, and professional technicians seeking detailed repair and maintenance information for the Alfa Romeo 155.
Value Proposition:
Provides essential DIY capability, cost savings on repairs, and in-depth vehicle knowledge, empowering owners to maintain their vehicles independently.
Benefits:
Enables independent repair, saves money on labor costs, provides deep technical understanding for emergencies and routine maintenance.
Accessibility:
Instant download, accessible on digital devices for anytime, anywhere repair guidance.
Major Sections:
General Maintenance, Troubleshooting, Engine, Transmission, Brakes, Wiring Diagrams, Electrical System, Suspension, Lubrication, Steering, Cooling System, Fuel Injection, Emission System, Engine Control, Chassis/Body, Restraint System, Axles
Estimated Page Count:
Extensive (specific count not provided, typical for comprehensive service manuals)
Type:
Service and Repair Manual
Engine:
Detailed service, repair, and overhaul procedures for all engine variants including Twin Spark and V6 Busso engines, timing belt replacement, engine diagnostics, and component replacement.
Transmission:
Service and repair for manual and automatic transmissions, clutch service, gear shift linkage adjustment, transmission fluid checks and changes.
Brake System:
Brake pad and disc replacement, caliper service, brake fluid bleeding and replacement, ABS system troubleshooting and repair.
Electrical System:
Comprehensive coverage of the electrical system, including wiring diagrams, fuse box layouts, component testing, starter motor, alternator, lighting systems, and electronic control units (ECUs).
Suspension Steering:
Front and rear suspension component replacement (struts, shocks, control arms, ball joints), steering rack service, power steering system repair, wheel alignment procedures.
Cooling Fuel Emission:
Cooling system service (radiator, water pump, thermostat), fuel injection system diagnosis and repair, emission control system components and function, exhaust system service.
Chassis Body:
Body panel repair, door mechanisms, interior trim removal and installation, chassis diagnostics and rust repair guidance.
Restraint System:
Airbag system components, seatbelt service, and safety restraint system diagnostics.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, spark plug replacement, brake service, tire rotation.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults across all vehicle systems.
Repair Rebuild:
Detailed step-by-step instructions for component removal, repair, and reinstallation, including full engine and transmission rebuilds.
Depth:
Comprehensive, covering everything from basic maintenance to advanced diagnostics and complete component overhauls.
Variants Covered:
Likely includes Twin Spark (2.0L) and V6 Busso (2.5L, 3.0L) engines, common to the 155 model range.
Horsepower Torque:
Specific figures vary by engine and market. 2.0L Twin Spark typically around 150-155 hp, V6 Busso around 188-230 hp. Manual will detail these specifics.
Injection Type:
Electronic Fuel Injection (EFI) for all variants. Manual will cover system components, sensors, actuators, and diagnostic procedures.
Timing Belt:
Crucial maintenance item, especially for Twin Spark engines. Manual provides detailed replacement procedures and torque specifications.
Transmission Type:
Likely manual transmissions (e.g., 5-speed) for most variants. Manual will provide clutch replacement, gearbox overhaul details.
Transmission Type:
Optional automatic transmission availability depending on market and trim. Manual will detail its service and repair.
Drive Layout:
Front-wheel drive (FWD) for most models, with some performance variants featuring Q4 all-wheel drive (AWD). Manual will cover both systems.
Crash Test Data:
Euro NCAP or similar ratings if available for the era. Manual may reference safety system design principles.
Braking Stability:
ABS, potentially ASR (traction control) on higher trims. Manual details operation and troubleshooting.
Airbags Seatbelts:
Driver and passenger airbags, pre-tensioning seatbelts. Manual covers their systems and service.
Audio System:
Factory fitted radio/cassette or CD player. Manual may cover basic diagnostics and speaker replacement.
ABS Asr:
Anti-lock Braking System (ABS) was common, with Traction Control System (ASR) available on some models. Manual covers their function and repair.
Central Locking Alarms:
Central door locking and factory alarm systems may be present. Manual will detail their electrical circuits.
Oil Changes:
Typically every 10,000-15,000 km or 12 months, depending on driving conditions. Manual provides exact intervals and oil types.
Timing Belt Replacement:
Crucial interval for Twin Spark engines, typically every 50,000-70,000 km or 4-5 years. Manual will specify precisely.
Engine Oil:
Likely SAE 10W-40 or 15W-40 for naturally aspirated engines, specific grades based on climate. Manual specifies exact API/ACEA ratings.
Coolant:
Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Manual will specify type and capacity.
Brake Fluid:
DOT 4 or DOT 3 brake fluid. Manual will specify the correct type and bleeding procedures.
Common Problems:
Potential issues include rust in certain areas, timing belt failure if not replaced on schedule (Twin Spark), minor electrical gremlins, suspension wear.
Diagnostic Tips:
Manual provides troubleshooting guides for common issues, helping diagnose symptoms before proceeding with repairs.
Alfa Romeo Legacy:
Alfa Romeo's history of producing driver-focused, stylish, and often technologically advanced vehicles.
155 Development:
The 155 replaced the 75 and was known for its shared platform with Fiat, but retained distinct Alfa Romeo driving dynamics and styling.
Manufacturing Years:
Production of the Alfa Romeo 155 ran from 1992 to 1998. The 1995 model falls within its primary production run.
