🏷️ Basic Information

Make:

Alfa Romeo

Model:

155

Year:

1993

Chassis Code:

Type 167

👋 Introduction

Positioning:

A driver-focused compact executive car designed to compete with established German marques, known for its engaging driving dynamics and stylish Italian design.

Competitors:

BMW 3 Series (E36), Mercedes-Benz C-Class (W202), Audi A4 (B5 - later model but contemporaneous in spirit)

Features:

Front-wheel drive platform derived from Fiat Tipo, powerful Twin Spark and V6 engine options, sophisticated independent suspension, distinctive styling, sporty handling characteristics.

📋 Manual Details

Coverage:

All aspects of service and repair for the Alfa Romeo 155 1993

Page Count:

Not specified (estimated extensive)

Type:

Service and Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Systems:

General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Engine Control System, Chassis/Body, Restraint System, Axle

Engine Service:

Detailed procedures for engine disassembly, reassembly, cylinder head work, piston and connecting rod service, crankshaft and bearing inspection, valve train adjustments, timing belt replacement (critical for Twin Spark).

Transmission Service:

Procedures for manual and automatic transmission overhaul, clutch replacement, gear linkage adjustments, transmission fluid changes, and differential service.

Brake System:

Diagnosis and repair of front and rear brakes, including disc and pad replacement, caliper service, brake line inspection and replacement, ABS system troubleshooting and component testing.

Wiring Diagram:

Comprehensive electrical schematics covering all vehicle systems, including engine management, lighting, ignition, fuel system, power windows, central locking, and dashboard indicators.

Electrical System:

Detailed troubleshooting guides for common electrical faults, component testing procedures, battery and charging system service, starter motor and alternator diagnosis.

Suspension:

Service and repair of front and rear suspension components, including shock absorbers, springs, control arms, ball joints, wheel bearings, and bushings. Alignment specifications included.

Steering:

Diagnosis and repair of the power steering system, including steering rack, pump, and fluid service. Steering column and universal joint inspection.

Cooling System:

Service procedures for radiator, water pump, thermostat, cooling fans, and hoses. Coolant flush and replacement guidelines.

Fuel Injection System:

Troubleshooting and repair of the fuel injection system, including fuel pump, injectors, fuel pressure regulator, throttle body, and sensors. Fuel filter replacement.

Emission System:

Information on emission control components such as catalytic converters, oxygen sensors, EGR valves, and evaporative emission control systems. Diagnostic procedures for emission-related faults.

Engine Control System:

Detailed explanation of the engine control unit (ECU) functions, sensor inputs, actuator outputs, and diagnostic trouble codes (DTCs). Procedures for ECU diagnostics and resets.

Chassis Body:

Body panel repair, door and window mechanism service, interior trim removal and installation, basic chassis adjustments, rust prevention and repair guidance.

Restraint System:

Information on seat belt operation, SRS (Supplemental Restraint System) component identification and handling precautions for airbags. Airbag warning light diagnosis.

Axle:

Service and repair of front and rear axles, including CV joints, drive shafts, and wheel hub assemblies.

Procedures:

Disassembly, Reassembly, Repair, Servicing, Maintenance, Refurbishment, Renovation, Mending, Fixing, Troubleshooting, Diagnostics, Component Replacement, System Adjustments, Electrical Schematics Interpretation

Troubleshooting:

Systematic approach to diagnosing a wide range of mechanical and electrical problems, including symptom-based troubleshooting charts.

Periodic Lubrication:

Detailed schedule for lubrication points, recommended lubricants and their application intervals for steering, suspension, and drivetrain components.

Depth:

Comprehensive (from basic maintenance to in-depth repair and diagnostics)

📊 Manual Specifications

Format:

PDF

Software Requirements:

Adobe PDF Reader, WinZip (for potential compressed archives)

Compatibility:

Windows and Mac operating systems

Quality:

Digital (dependent on Adobe PDF Reader rendering)

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Options:

2.0L 16v Twin Spark (143 hp), 1.7L 8v Twin Spark (113 hp), 3.0L V6 Busso (170 hp - Q4 variant)

Engine Codes Examples:

155.040 (2.0 Twin Spark), 155.140 (1.7 Twin Spark), 167.05A (3.0 V6 Q4)

Horsepower:

Ranges from 113 hp to 170 hp depending on engine variant.

Torque:

Varies by engine, e.g., 2.0 Twin Spark approx. 187 Nm (138 lb-ft).

Fuel Delivery:

Bosch Motronic electronic fuel injection (EFI) on most variants.

Fuel Type:

Unleaded gasoline (Petrol). Octane rating recommendations available in the manual.

🔧 Transmission

Transmission Type:

5-speed manual

Optional Transmission:

4-speed automatic (available on some models)

Drivetrain:

Front-wheel drive (FWD). Permanent all-wheel drive (Q4) available with the V6 engine.

📐 Dimensions

Length:

Approx. 4,360 mm (171.7 in)

Width:

Approx. 1,700 mm (66.9 in)

Height:

Approx. 1,420 mm (55.9 in)

Wheelbase:

Approx. 2,540 mm (99.9 in)

Curb Weight:

Approx. 1,250 kg - 1,400 kg (2,756 lbs - 3,086 lbs) depending on engine and configuration.

Gross Vehicle Weight:

Specific GVWR figures would be found in the manual.

🛡️ Safety Features

Safety Certification:

Euro NCAP ratings not widely available for this era, but designed to meet contemporary European safety standards.

Active Safety:

Anti-lock Braking System (ABS) standard on most models, ventilated front disc brakes, solid rear disc brakes.

Passive Safety:

Front airbags (driver and passenger on later models/higher trims), seat belt pretensioners, reinforced body structure.

💡 Technology Features

Infotainment System:

Basic factory fitted radio/cassette player with optional CD changer. Speaker systems were typically modest by modern standards.

Driver Assistance:

Limited to ABS on many models. No advanced driver-assistance systems (ADAS) available for this year.

Connectivity Features:

No integrated Bluetooth or smartphone connectivity. Aftermarket solutions can be installed.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 km (6,000 miles) or 12 months, whichever comes first. Refer to manual for specific engine type.

Timing Belt Replacement:

Crucial for Twin Spark engines, typically every 60,000 km (37,000 miles) or 4-5 years. Failure can cause severe engine damage.

Engine Oil Type:

Refer to manual for specific SAE grade (e.g., 10W-40 or 15W-50 Selenia). Check viscosity based on climate.

Coolant Type:

Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water.

Transmission Fluid Type Manual:

GL-4 or GL-5 gear oil, specific viscosity grade to be confirmed in manual.

Transmission Fluid Type Automatic:

Dexron III or equivalent ATF (Automatic Transmission Fluid).

Brake Fluid Type:

DOT 4.

Power Steering Fluid Type:

Specific hydraulic fluid, often ATF or a dedicated power steering fluid. Refer to manual.

Common Problems:

Corrosion, wear on Twin Spark oil seals and cam variator, aging electrical components, potential for rust in certain areas, wear on suspension bushings.

Electrical Faults:

Faulty door lock actuators, intermittent warning lights, issues with the central locking system, aging ECUs.

Mechanical Wear:

Worn engine mounts, degraded rubber hoses, clutch wear, suspension component wear.

📚 Vehicle History

Heritage:

Alfa Romeo has a long-standing reputation for producing sporty, driver-oriented cars with a focus on performance and distinctive styling since its founding in 1910.

Evolution:

The 155 replaced the Alfa Romeo 75 (Milano). It was a significant shift in platform strategy, adopting a modern front-wheel-drive architecture. It was later succeeded by the Alfa Romeo 156.

Production Years:

1992-1997

🏆 Awards & Recognition

Awards:

While specific awards for the 1993 model are not widely documented, the Alfa Romeo 155 was well-regarded for its handling and design, particularly the performance-oriented V6 models like the 155 Q4 and the race-bred homologation specials (e.g., DTM versions).