🏷️ Basic Information

Make:

Alfa Romeo

Model:

155

Model Generation:

First Generation (Type 167)

Production Years Covered:

1992-1998

Chassis Code:

Type 167

👋 Introduction

Vehicle Segment:

Compact Executive / Sports Sedan

Key Competitors:

BMW 3 Series (E36), Mercedes-Benz C-Class (W202), Audi A4 (B5), Volvo S40

Unique Selling Points:

Renowned Alfa Romeo driving dynamics, distinctive Italian styling, powerful engine options (including Busso V6), front-wheel drive and Q4 all-wheel drive variants

Diy Savings:

Enables owners to perform extensive repairs and maintenance themselves, saving significant dealership labor costs

Technician Equivalence:

Provides the same information used by certified Alfa Romeo technicians

📋 Manual Details

All Models Covered:

Yes

Repair Scope:

A-Z (All Repairs)

Estimated Page Count:

Likely extensive, typical of factory workshop manuals (e.g., 1000+ pages)

Manual Classification:

Factory Service and Repair Workshop Manual

Language:

English

File Format:

PDF

Delivery Method:

Instant Download

📖 Manual Coverage

Engine Mechanical:

Detailed diagnostics, repair, overhaul, timing, cooling, lubrication, fuel delivery

Engine Management:

ECU diagnostics, sensor identification and testing, ignition system, emissions control

Transmission Manual:

Clutch, gearbox overhaul, shift mechanisms, differential

Transmission Automatic:

Hydraulic control, valve body, torque converter, electronic controls (if applicable)

Suspension Front:

McPherson struts, control arms, bushings, anti-roll bars, steering knuckle

Suspension Rear:

Multi-link, trailing arms, shock absorbers, springs, bushings

Braking System:

Hydraulic system, calipers, rotors, pads, ABS system diagnostics and repair, brake booster

Steering System:

Power steering pump, rack and pinion, tie rods, steering column

Electrical System Lighting:

Headlights, taillights, interior lighting, fog lights, bulb specifications

Electrical System Instrumentation:

Dashboard cluster, gauges, warning lights, warning chimes

Electrical System Comfort:

Power windows, power mirrors, central locking, climate control, seat heating

Electrical System Audio:

Factory radio, speaker wiring, antenna system

Body And Chassis:

Bumpers, fenders, doors, hood, trunk lid, roof panel

HVAC System:

Air conditioning, heater core, blower motor, refrigerant system, climate control unit

Safety Systems:

Airbag system diagnostics and replacement, seatbelt mechanisms

Preventive Maintenance:

Oil changes, fluid checks and flushes, filter replacements, spark plug replacement, belt inspection/replacement

Troubleshooting:

Diagnostic flowcharts, symptom-based troubleshooting guides, common fault identification

Component Repair:

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

Diagnosis:

Detailed diagnostic procedures for all vehicle systems, including electrical and mechanical faults

Wiring Schematics:

Comprehensive electrical wiring diagrams for all circuits, including component locations and wire colors

Specifications:

Torque values, clearances, tolerances, fluid capacities, electrical resistance values

Adjustment Procedures:

Valve adjustments, idle speed adjustments, headlight aiming, brake adjustment

Depth Of Coverage:

Factory level, from basic maintenance to complete engine and transmission rebuilds

Diagnostic Tools:

References to specific diagnostic tools and procedures used by dealerships

📊 Manual Specifications

File Type:

PDF

Printability:

Printable pages, ability to enlarge images for clarity

Image Resolution:

High resolution for detailed diagrams and illustrations

Digital Binding:

N/A (Digital PDF)

Digital Paper Type:

N/A (Digital PDF)

Operating Systems:

Compatible with Windows (XP, Vista, 7, 8, 10, 11), macOS, and tablets

Software Requirements:

Adobe PDF Reader required

⚙️ Engine Specifications

Engine Options:

Various petrol engines including Twin Spark (2.0L I4) and V6 Busso (2.5L V6, 3.0L V6), and diesel engines (e.g., 1.9L TD, 2.5L TD)

Twin Spark 2.0L Specs:

Approx. 150-155 hp, 186-192 Nm torque, 4 valves per cylinder, twin spark ignition system for improved combustion

Busso V6 2.5L Specs:

Approx. 190 hp, 225 Nm torque, 24 valves, celebrated for its sound and performance

Busso V6 3.0L Specs:

Approx. 210-230 hp, 260-290 Nm torque, as fitted to later models and GTV/Spider variants, potentially including some 155 variants

Acceleration 0-60Mph Typical:

Varies by engine, e.g., 8-9 seconds for 2.0 Twin Spark

Top Speed Typical:

Varies by engine, e.g., 210-225 km/h for 2.0 Twin Spark

Fuel Delivery:

Multi-point fuel injection (MPI) for petrol engines, direct injection or indirect injection for diesel engines

Fuel Type:

Unleaded Petrol (RON 95/98 recommended), Diesel

🔧 Transmission

Standard Transmission:

5-speed Manual Transmission

Optional Transmission:

4-speed Automatic Transmission (e.g., ZF 4HP18/4HP20 on some models), Q4 All-Wheel Drive system (with manual transmission)

Q4 System Description:

Viscous coupling center differential and Torsen rear differential for permanent all-wheel drive, improving traction and handling

📐 Dimensions

Body Styles:

4-door Sedan

Wheelbase:

Approximately 2570 mm

Length:

Approximately 4420 mm

Width:

Approximately 1700 mm

Height:

Approximately 1420 mm

Curb Weight:

Varies by engine and configuration, typically 1250-1450 kg

Gross Vehicle Weight:

Approximately 1800-1900 kg

🛡️ Safety Features

Crash Test Ratings:

No standardized Euro NCAP ratings available for this specific model/era, but generally considered robust for its time. Early airbag systems were optional or standard on higher trims.

Active Safety Features:

ABS (Anti-lock Braking System) standard on most models, optional Traction Control (ASR) on some variants, optional Q4 AWD

Passive Safety Features:

Frontal airbags (driver and passenger, often optional), reinforced safety cell, crumple zones, side impact beams

💡 Technology Features

Infotainment System:

Basic factory fitted radio/cassette player with optional CD player, standard speaker setup. Limited integration by modern standards.

Driver Assistance Features:

Limited by contemporary standards. ABS, optional ASR. Focus is on mechanical feedback and driver engagement.

Connectivity Features:

None by modern standards. Features like Bluetooth or USB connectivity are not present.

🔧 Maintenance

Oil Change Interval:

Typically 10,000-15,000 km or 12 months, whichever comes first (check manual for specific engine type)

Timing Belt Replacement:

Crucial for Twin Spark engines; typically 60,000-80,000 km or 5 years. Failure can cause catastrophic engine damage.

Engine Oil Grade:

e.g., Selenia 20K (API SG, ACEA A2-96) or equivalent SAE 10W-40, 10W-50 or 15W-40 depending on climate and engine variant. Refer to manual for precise specifications.

Coolant Type:

Ethylene Glycol based coolant with anti-corrosion inhibitors, typically pink or red. (e.g., Paraflu UP)

Brake Fluid Type:

DOT 4

Transmission Fluid Manual:

API GL-4 or GL-5 SAE 75W-90 or 80W-90 gear oil

Transmission Fluid Automatic:

Specific ATF (Automatic Transmission Fluid) type, e.g., DEXRON-II/III or equivalent.

Common Issues Twin Spark:

Timing belt tensioner failure, ignition coil failure (twin spark system), oil leaks from valve cover gaskets and cam seals, potential ECU issues, rust in wheel arches and sills.

Common Issues V6 Busso:

Cam belt issues (critical maintenance item), oil cooler leaks, thermostat housing leaks, exhaust manifold cracks (less common on 155 than later models), rust.

Common Issues General:

Minor electrical gremlins, worn suspension bushings, radiator fan issues, HVAC control panel failures.

📚 Vehicle History

Alfa Romeo Heritage:

Long history of sporty, driver-focused cars with distinctive styling and often innovative engineering.

Platform Sharing:

Shared platform with the Fiat Tipo and Lancia Dedra, but with distinct Alfa Romeo chassis tuning and styling.

Design Philosophy:

Designed by Enrico Fumia, aiming for a modern, aerodynamic, and aggressive look to compete with German rivals.

Production Location:

Milan, Italy (Pomigliano d'Arco plant)

Production Volume:

Significant production numbers, over 270,000 units produced across its lifespan.

🏆 Awards & Recognition

Automotive Press Awards:

While the 155 itself didn't win numerous specific awards like some later Alfa Romeos, it was generally praised for its handling and performance, particularly the V6 and Q4 variants. Competed strongly in touring car championships (DTM, BTCC) with notable success.