Segment:
Compact executive car (premium compact).
Target Audience:
Enthusiasts, DIY mechanics, independent workshops seeking in-depth technical information.
Key Competitors:
BMW 3 Series (E36), Mercedes-Benz C-Class (W202), Audi A4 (B5), Volvo S40/V40.
Ease Of Access:
Instant PDF download, no additional software required.
Comprehensiveness:
Covers all aspects of service, repair, and maintenance to dealer level.
Compatibility:
Works on PC, Mac, Smartphone, and Tablet.
Style:
Factory dealer-level manual style.
Service Information:
Comprehensive
Identification Codes:
Included
Jacking And Lifting:
Included
Noise Vibration And Harshness:
Included
Wheels And Tyres:
Included
Driveline System:
Included
Anti Lock Control:
Included
Steering System:
Included
Fuel Charging And Controls:
Included
Accessory Drive:
Included
Starting System:
Included
Engine Ignition:
Included
Engine Emission Control:
Included
Intake Air Distribution:
Included
Electronic Engine Controls:
Included
Manual Transmission:
Included
Clutch Controls:
Included
Acceleration Control:
Included
Climate Control System:
Included
Air Distribution:
Included
Control Components:
Included
Instrument And Warning Systems:
Included
Battery And Charging System:
Included
Information And Entertainment Systems:
Included
Electrical Distribution:
Included
Electronic Feature Group:
Included
Glass Frames And Mechanisms:
Included
Instrument Panel And Console:
Included
Wipers And Washers:
Included
Safety Belt System:
Included
Subframe And Mounting System:
Included
Estimated Page Count:
High (typical factory manual, likely 1000+ pages)
Type:
Workshop Service and Repair Manual
Language:
Likely English (based on product description)
All Major Systems:
Yes, covers all major mechanical, electrical, and body systems.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Repair:
Detailed step-by-step repair procedures for all major components.
Diagnostics:
Troubleshooting guides, diagnostic trouble codes (DTCs), electrical circuit diagrams.
Overhaul:
Engine, transmission, and differential overhaul procedures.
Depth:
Dealer-level factory specifications, including torque values, clearances, and diagnostic parameters.
Searchability:
Likely searchable text (if OCR processed) or image-based PDF. Product description implies ease of use.
Quality:
Digital, typically high resolution for clarity.
Type:
Not applicable (digital download).
Type:
Not applicable (digital download).
Engine Options 1998:
Likely includes 1.8L (1747cc) Twin Spark, 2.0L (1995cc) Twin Spark, 2.5L (2496cc) V6 Busso, and possibly the 1.9L (1910cc) JTD turbodiesel.
Typical Horsepower Range:
115 hp (1.8L TS) to 190 hp (2.5L V6).
Typical Torque Range:
164 Nm (1.8L TS) to 230 Nm (2.5L V6).
Fuel Injection Type:
Electronic Fuel Injection (EFI) for petrol engines. Common Rail Direct Injection (CRDI) for JTD diesel.
Engine Management System:
Bosch Motronic or similar ECU for petrol engines. Likely diagnostic protocols compatible with early OBD-II.
Ignition System:
Distributorless Ignition System (DIS) with coil-on-plug or coil packs for Twin Spark engines.
Transmission Type:
5-speed manual transmission standard on most variants.
Transmission Type Optional:
4-speed automatic transmission available on some models, particularly V6 variants.
All Wheel Drive:
The 155 Q4 featured a sophisticated viscous coupling all-wheel-drive system.
Length:
Approximately 4410 mm (173.6 in)
Width:
Approximately 1700 mm (66.9 in)
Height:
Approximately 1420 mm (55.9 in)
Curb Weight:
Varies by engine and trim, typically 1250-1450 kg (2750-3190 lbs).
Gross Vehicle Weight Rating:
Refer to vehicle specific plate or manual.
Euro Ncap Rating:
The Alfa Romeo 155 was not subjected to Euro NCAP testing during its production run.
ABS:
Anti-lock Braking System (ABS) was available, standard on higher trims and Q4 models.
Airbags:
Driver airbag was standard. Passenger airbag became available/standard on facelifted models.
Seatbelts:
Three-point inertia-reel seatbelts with pre-tensioners.
Audio System:
Factory fitted radio/cassette or CD player, often with basic tone controls and speaker configuration.
Display:
Simple digital or analog displays for radio frequency and time.
Cruise Control:
Available as an option on many models, particularly higher-spec variants.
Connectivity Features:
Limited by 1998 standards. May include options for factory-fitted alarm systems or remote central locking.
Oil Change Interval:
Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, depending on driving conditions. Refer to manual for specific engine.
Timing Belt Interval:
Crucial for Twin Spark engines. Typically every 60,000-80,000 km (36,000-48,000 miles) or 4-5 years. Failure can cause catastrophic engine damage.
Spark Plug Replacement:
For Twin Spark engines, replacing both spark plugs per cylinder is critical. Intervals vary, but typically every 40,000-60,000 km.
Engine Oil Viscosity:
Varies by engine and climate. Common recommendations include 10W-40, 15W-40 for older engines, or 5W-40/5W-30 for later Twin Sparks and V6. Always consult manual.
Coolant Type:
Ethylene glycol-based coolant, typically pink or red. Capacity around 7-8 liters. Refer to manual for specific type (e.g., Paraflu UP).
Brake Fluid Type:
DOT 4 recommended.
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil, typically 75W-90 or 80W-90. Capacity approx. 1.8-2.2 liters.
Transmission Fluid Automatic:
Specific ATF fluid, likely Dexron II/III equivalent. Capacity approx. 5-6 liters.
Twin Spark Engine:
Timing belt wear/failure, uneven wear on spark plugs (especially outer plugs), oil consumption, potential ECU issues.
Busso V6 Engine:
Can suffer from cam timing belt issues, oil leaks, and occasional valve stem seal wear. Generally robust if maintained.
Rust:
Common rust points include wheel arches, sills, and subframes, especially in areas with road salt.
Electrical Gremlins:
Age-related issues with wiring harnesses, sensors, and switches are not uncommon.
Suspension Wear:
Bushings, ball joints, and shock absorbers can wear over time, affecting handling.
Brand Identity:
Alfa Romeo is renowned for its sporty heritage, distinctive Italian styling, and engaging driving dynamics.
Platform:
Based on the Fiat Tipo platform, but heavily re-engineered for Alfa Romeo's characteristic handling and refinement.
Facelift:
Received a significant facelift in 1997, featuring updated styling, improved interior, and revised suspension geometry.
Notable Variants:
Alfa Romeo 155 Q4 (AWD, powerful V6 or Turbo 4-cyl), 155 V6 TI (successful DTM touring car).
Production Years:
1992-1997 (pre-facelift), 1997-2000 (facelifted version).
Manufacturing Locations:
Primarily Pomigliano d'Arco, Italy, and also in South Africa.