🏷️ Basic Information

Make:

Alfa Romeo

Model:

155

Year:

1998

Chassis Code:

Type 167

👋 Introduction

Positioning:

The Alfa Romeo 155 was positioned as a premium compact executive sedan, known for its sporty handling and distinctive Italian styling.

Competitors:

Competed against vehicles like the BMW 3 Series (E36), Mercedes-Benz C-Class (W202), and Audi A4 (B5).

Design Philosophy:

Emphasized driving dynamics, driver engagement, and a blend of performance and luxury.

Cost Savings:

Enables owners to perform DIY maintenance and repairs, potentially saving $50-$60 per hour in shop labor costs.

Authenticity:

Genuine factory service manual, providing accurate and official repair information.

📋 Manual Details

Market Segment:

Compact Executive Sedan

Estimated Pages:

Hundreds (Specific number not provided, described as extensive)

Type:

Factory Service Repair Manual

Language:

English

Format:

PDF Download

Source:

Actual genuine factory repair manuals, not third-party publications.

Method:

Instant download link provided after payment completion.

📖 Manual Coverage

Engine Management:

Engine Control System, Fuel Injection / Fuel System, Emission System

Powertrain:

Engine Service/Repair, Transmission Service/Repair, Differential/Drive, Axle

Chassis And Suspension:

Brake System, Suspension, Steering, Chassis/Body

Electrical And Diagnostics:

Wiring Diagram, Electrical System, Troubleshooting

Comfort And Convenience:

Heater/Air Conditioner, Interior

Safety And Restraint:

Restraint System

Exhaust System:

Includes diagnosis and repair of the exhaust system, emissions control components, and catalytic converters.

Fuel System:

Detailed information on fuel pump, injectors, fuel pressure regulator, fuel lines, and tank servicing.

Ignition System:

Covers spark plugs, ignition coils, and the overall ignition timing and control for Twin Spark engines.

Bodywork:

Information on body panel alignment, doors, hoods, trunk, and basic exterior trim repair. Chassis/Body section likely covers structural integrity and mounting points.

Interior:

Details on dashboard removal, seat servicing, trim panel installation, and climate control unit access.

Cooling System:

Covers radiator, water pump, thermostat, hoses, and cooling fan operation. Includes flushing and refilling procedures.

Maintenance:

General Maintenance, Periodic Lubrication

Repair And Rebuild:

Detailed step-by-step repair procedures for all covered systems, including engine rebuild, transmission overhaul, brake caliper service, etc.

Diagnostics:

Advanced troubleshooting guide to diagnose and correct problems, including electrical system diagnostics and fault code interpretation.

Tire And Wheel:

Information on tire pressure recommendations, wheel balancing, and alignment procedures. Specific tire sizes and wheel specifications may be included.

Diagnostic Procedures:

Step-by-step guides for diagnosing common issues, including intermittent faults and performance problems.

Component Removal And Installation:

Detailed instructions for removing and installing virtually every major component and sub-assembly of the vehicle.

Depth:

Comprehensive, covering everything from basic maintenance to complete rebuilds and restoration. Equivalent to professional technician knowledge.

Illustrations:

Contains numerous detailed illustrations, drawings, and photos to visually guide repair procedures.

Technical Notes:

Includes important notes, cautions, and warnings for critical steps and potential pitfalls.

Specifications Tables:

Likely includes comprehensive tables of technical specifications, torque values, clearances, and electrical data.

📊 Manual Specifications

Format:

PDF

Compatibility:

Windows and Mac operating systems

Printable:

Yes, without restriction. Individual pages or the entire manual can be printed.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

Search Functionality:

Yes, allows for easy searching and retrieval of information.

Reader Requirement:

Adobe PDF Reader

⚙️ Engine Specifications

Engine Options:

The 1998 Alfa Romeo 155 was available with several engine variants, typically including 1.8L (TS), 2.0L (TS), and 2.5L (V6) naturally aspirated gasoline engines. Diesel options were also available in some markets. Specific engine details within the manual would cover all offered variants for 1998.

Typical Hp Range:

125 hp (1.8L TS) to 190 hp (2.5L V6) depending on engine variant.

Torque Characteristics:

Emphasis on twin-spark ignition (TS) engines for improved performance and flexibility across the rev range. V6 engines provided smoother power delivery and higher torque.

Injection Type:

Multi-point fuel injection (MPI), typically Bosch or Magneti Marelli systems.

Typical Codes:

TS (Twin Spark) engines often had specific engine codes depending on displacement (e.g., AR 342.01 for 1.8 TS, AR 342.02 for 2.0 TS). V6 engines would have their own designations (e.g., AR 162.04 for the 2.5 V6).

🔧 Transmission

Standard Transmission:

5-speed manual transmission.

Optional Transmission:

4-speed automatic transmission available on some engine variants.

Drive Layout:

Front-wheel drive (FWD). Some performance variants, like the 155 Q4, featured permanent all-wheel drive (Q4).

Clutch Type:

Single dry plate clutch for manual transmissions.

📐 Dimensions

Body Styles:

4-door Sedan.

Wheelbase:

Approximately 2,500 mm (98.4 in) - Specific figures can vary slightly based on exact model/trim.

Length:

Approximately 4,310 mm (169.7 in).

Width:

Approximately 1,700 mm (66.9 in).

Height:

Approximately 1,420 mm (55.9 in).

Curb Weight:

Varies by engine and equipment, generally between 1,250 kg (2,756 lbs) and 1,450 kg (3,197 lbs).

🛡️ Safety Features

Crash Test Data:

Specific official Euro NCAP or equivalent ratings for the 1998 model year are not readily published in detail, but the car incorporated modern safety features for its era.

Braking System:

Front ventilated discs, rear solid discs. ABS (Anti-lock Braking System) typically standard or optional depending on trim level.

Airbags:

Driver and front passenger airbags were standard or optional depending on the market and trim level.

Seatbelts:

Pre-tensioned front seatbelts.

💡 Technology Features

Audio System:

Factory fitted radio/cassette or CD player, often with speaker upgrades available. Manual covers basic audio system diagnostics.

ABS:

ABS (Anti-lock Braking System) was a key safety technology, with diagnostic procedures covered in the manual.

Central Locking:

Central door locking system, typically vacuum operated or electric. Electrical system diagrams will detail its operation.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, depending on driving conditions. Manual will specify exact interval and oil type.

Timing Belt Replacement:

For Twin Spark (TS) engines, critical service interval, typically 60,000-90,000 km (37,000-56,000 miles). Manual will provide precise interval and procedure.

Engine Oil Type:

Likely SAE 10W-40 or 15W-40 API SG/SH or higher. Manual will list precise specification and capacity.

Coolant Type:

Ethylene glycol based coolant, typically a 50/50 mix with distilled water. Manual will specify type and capacity.

Brake Fluid Type:

DOT 3 or DOT 4. Manual will specify correct type and change interval.

Transmission Fluid Type:

Manual transmission: GL-4 gear oil. Automatic transmission: ATF Dexron II/III or equivalent. Manual will detail specific type and capacity.

Common Concerns:

Potential for aging electrical components, worn suspension bushings, and in some cases, thermostat or cooling system issues. Early Twin Spark engines could be sensitive to maintenance, particularly timing belt intervals. Rust can be a concern on older examples.

Electrical Gremlins:

Common in older Italian cars, including issues with wiring harness integrity, sensors, and ECUs. The manual's detailed wiring diagrams are invaluable for troubleshooting.

Suspension Wear:

Worn control arm bushings, ball joints, and shock absorbers are typical wear items that affect ride and handling.

📚 Vehicle History

Alfa Romeo Legacy:

Alfa Romeo has a long-standing reputation for building performance-oriented vehicles with distinctive styling and engaging driving dynamics.

155 Development:

The Alfa Romeo 155 replaced the 75 (Milano) and was produced from 1992 to 1997. The 1998 designation likely refers to a later production run or market-specific update within this generation. It featured a MacPherson strut front suspension and a multi-link rear suspension. It was also known for its motorsport success, particularly in touring car championships.

Production Years:

1992-1997 (though the manual is for a 1998 model year, indicating possible continued sales or specific market applications of the platform).

🏆 Awards & Recognition

Motorsport Achievements:

The Alfa Romeo 155 achieved significant success in touring car racing, notably winning the German Super Tourenwagen Cup (STW) in 1993 and 1994, and the Italian Superturismo Championship. This racing heritage contributed to its performance image.