🏷️ Basic Information

Make:

Alfa Romeo

Model:

155

Production Years:

1992-1998

Chassis Code:

Type 167

👋 Introduction

Vehicle Segment:

Compact executive car (sedan), known for sporty handling and distinctive Italian styling

Key Competitors:

BMW 3 Series, Mercedes-Benz C-Class, Audi 80/A4, Volvo S40/V40, Rover 400 Series

Design Philosophy:

A blend of performance, practicality, and Italian flair, often praised for its chassis dynamics

Target Audience:

Enthusiast drivers seeking a stylish and engaging driving experience, often appreciating Alfa Romeo's heritage

📋 Manual Details

Service Coverage:

Complete maintenance, repair, and diagnostic information

Model Years Covered:

1992, 1993, 1994, 1995, 1996, 1997, 1998

Estimated Page Count:

Substantial (typical for official workshop manuals, often exceeding 1000 pages across multiple volumes or sections)

Manual Type:

Official Workshop Manual / Service Manual / Repair Manual

Language:

English

Digital Format:

Likely PDF or similar digital document format for widespread compatibility

📖 Manual Coverage

Engine Mechanical:

Engine disassembly, assembly, component specifications, timing, cylinder head, pistons, crankshaft, camshafts, valve train

Engine Control Fuel Exhaust:

Engine management systems, fuel injection, ignition, emissions control, exhaust systems, sensors, actuators

Fuel And Emission Control:

Fuel delivery, evaporative emission control, catalytic converters, oxygen sensors, EGR systems

Engine Lubrication:

Oil pump, oil filter, oil cooler, lubrication passages, oil pressure specifications

Cooling System:

Radiator, water pump, thermostat, cooling fan, coolant specifications, system pressure testing

Transmission Manual:

Manual gearbox disassembly, assembly, clutch operation, gear ratios, lubrication, shift mechanisms

Transmission Automatic:

Automatic transmission (if applicable) operation, hydraulic control, torque converter, servicing, fluid specifications

Clutch And Gearbox:

Clutch assembly, hydraulic actuation, gearbox component identification and repair

Propeller Shaft And Differential:

Driveshafts, CV joints, universal joints, rear axle differential (if applicable) construction and maintenance

Brake System:

Brake system diagnostics, disc and drum brake components, hydraulic system, ABS (if equipped), fluid types, bleeding procedures

Front And Rear Axle:

Suspension components, wheel bearings, axle shafts, alignment specifications

Steering System:

Power steering system, steering rack, linkages, column, alignment, fluid specifications

Suspension:

Front and rear suspension, shock absorbers, springs, control arms, bushings, alignment specifications

Wheels And Tyres:

Wheel specifications, tire pressure recommendations, lug nut torque, wheel balancing

Electrical System:

Battery, charging system, starting system, lighting, instrumentation, power windows, mirrors, central locking

Lights And Switch:

Headlights, taillights, interior lighting, switches, relays, circuit protection

Wiring Diagrams:

Detailed electrical schematics for all vehicle systems, component location charts

Heater And Air Conditioning:

HVAC system operation, refrigerant types, service procedures, component testing

Ventilation System:

Airflow controls, cabin filters, blower motor

Body And Chassis:

Body panel removal/installation, structural components, chassis repair, corrosion protection

Interior Fittings:

Dashboard, seating, trim panels, carpets, sound deadening

Safety Systems:

Airbag systems (if equipped), seat belts, passive safety features

Maintenance Procedures:

Scheduled maintenance, fluid changes, filter replacements, inspections, lubrication

Diagnostic Procedures:

Troubleshooting flowcharts, fault code interpretation, component testing

Repair Procedures:

Step-by-step instructions for disassembly, repair, and reassembly of all major components

Installation Procedures:

Guidance for installing accessories or replacement parts

Technical Diagnostics:

In-depth analysis of system behavior and fault identification methods

Fault Finding Diagnostics:

Systematic approach to identifying and resolving common and uncommon issues

Depth Of Information:

Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts

Detail Level:

Extremely detailed, including torque specifications, tolerances, special tool requirements, and exploded views

📊 Manual Specifications

File Format:

Likely PDF, optimized for readability and printing

Image Resolution:

High resolution for clear diagrams and illustrations

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

Text Searchability:

Searchable text for quick information retrieval

Operating Systems:

Windows XP/Vista/Seven, Mac, Linux

⚙️ Engine Specifications

Engine Variants Common:

1.7L 8v Boxer (90 hp), 2.0L 16v Twin Spark (150 hp), 2.5L V6 24v Busso (166 hp, later versions higher)

Typical 0 60 Mph:

Varies by engine: ~12-13s for 1.7L, ~8-9s for 2.0L, ~7.5s for 2.5L V6

Fuel Delivery:

Electronic Fuel Injection (EFI) for all variants

Fuel Type:

Unleaded gasoline (RON 95 or higher recommended)

🔧 Transmission

Standard Transmission:

5-speed manual transmission

Optional Transmission:

4-speed automatic transmission (available on some models/markets)

Drive Layout:

Front-wheel drive (FWD)

📐 Dimensions

Length:

Approx. 4360 mm (171.7 in)

Width:

Approx. 1700 mm (66.9 in)

Height:

Approx. 1425 mm (56.1 in)

Curb Weight:

Varies by engine and trim, generally 1200-1350 kg (2645-2976 lbs)

🛡️ Safety Features

Crash Test Ratings:

Euro NCAP ratings from this era are not as standardized as modern tests. Generally considered safe for its time, but lacking advanced safety features.

Active Safety Features:

Optional ABS (Anti-lock Braking System), advanced chassis design for handling

Passive Safety Features:

Seat belts, energy-absorbing crumple zones, side-impact protection beams (depending on final specification)

💡 Technology Features

Infotainment System:

Basic audio systems, typically cassette or CD players, with standard radio reception. Limited integration with external devices.

Driver Assistance Features:

ABS (optional), power steering, standard cruise control on some higher trims.

Connectivity Options:

None in the modern sense. Analog systems. Provision for aftermarket mobile phone kits.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, whichever comes first (refer to manual for exact spec)

Timing Belt Interval:

Crucial for Twin Spark and V6 engines. Typically 50,000-70,000 km (30,000-45,000 miles) or 4-5 years. Failure can cause catastrophic engine damage.

Engine Oil Specification:

API SJ/SL, ACEA A3/B3 or equivalent. Viscosity grade typically 10W-40 or 5W-40 (refer to manual for specific engine variant).

Coolant Specification:

Ethylene glycol-based antifreeze, typically blue or green. 50/50 mix with distilled water.

Brake Fluid Specification:

DOT 3 or DOT 4 synthetic brake fluid.

Transmission Fluid Manual:

API GL-4 or GL-5 rated gear oil, typically 75W-90 or 80W-90 viscosity.

Power Steering Fluid:

ATF (Automatic Transmission Fluid) Dexron II or III, or specific Alfa Romeo power steering fluid.

Common Problems Engine:

Cam belt tensioners (Twin Spark), oil leaks (especially V6 cam covers), exhaust manifold cracks, sensor failures (e.g., airflow meter, lambda sensors).

Common Problems Electrical:

Wiring harness degradation (especially in engine bay), ECU issues, power window regulators, central locking faults, indicator switch issues.

Common Problems Chassis:

Corrosion (especially on sills, wheel arches, and suspension mounts), worn suspension bushings, aging rubber components.

Common Problems Transmission:

Worn clutch, synchromesh wear in manual gearboxes, occasional gearbox oil leaks.

📚 Vehicle History

Alfa Romeo Legacy:

Alfa Romeo has a long history of producing sporty, driver-focused cars with a strong emphasis on engineering and distinctive design.

Alfa Romeo 155 Development:

Developed as a successor to the Alfa Romeo 75 (Milano), the 155 was built on the Fiat Type Two platform. It was notable for its advanced multilink front suspension (a departure from traditional Alfa front suspension designs) and its entry into touring car racing, particularly the DTM.

Manufacturing Location:

Italy

🏆 Awards & Recognition

Motorsport Success:

The Alfa Romeo 155 achieved significant success in touring car racing, most notably winning the German DTM championship in 1993 with Nicola Larini driving an evolution model (155 V6 TI).