Positioning:
A vital resource for owners and independent workshops of the Alfa Romeo 155, offering detailed technical information to maintain and repair the vehicle.
Competitors:
Other automotive repair manuals for the Alfa Romeo 155, official factory service manuals.
Manual Features:
Step-by-step instructions, hundreds of photos and illustrations, detailed substeps, notes/cautions/warnings, numbered instructions, bold figure numbers, enlarged insets, numbered table of contents, integrated electrical troubleshooting.
Cost Savings:
Inexpensive alternative to dealership service, empowering owners for DIY repairs.
Primary Coverage:
Service and Repair
Secondary Coverage:
Troubleshooting, Diagnostics, Maintenance
Estimated Page Count:
Varies by specific edition, typically hundreds of pages for a comprehensive workshop manual.
Type:
Workshop Manual / Service Manual / Repair Manual
Language:
English (assumed based on typical sales of this product)
Powertrain:
Engine mechanicals, fuel system, ignition system, exhaust system, cooling system, lubrication system.
Drivetrain:
Transmission (manual and automatic), clutch, driveshafts, differentials, axles.
Chassis:
Suspension (front and rear), steering system, brakes (front and rear), wheels and tires.
Electrical:
Complete electrical system, wiring diagrams, lighting, instrumentation, starting and charging system, fuses, relays, ECUs.
Body And Trim:
Body panels, doors, windows, interior trim, exterior trim, bumpers, glass.
Routine Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections and replacement.
Major Repairs:
Engine overhaul, transmission rebuild, suspension component replacement, brake caliper overhaul, fuel injector service.
Troubleshooting:
Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides.
Electrical Diagnostics:
Detailed troubleshooting of electrical circuits, testing of sensors and actuators, interpretation of wiring diagrams.
Depth:
Comprehensive, from basic maintenance to full engine and transmission rebuilds. Suitable for DIY and professional mechanics.
Engine Variants Covered:
Likely covers the 1.7, 1.8 (Twin Spark), 2.0 (Twin Spark), and 2.5 V6 (Busso) engines offered during these years.
Twin Spark Power Output:
Approx. 140-155 PS (103-114 kW) for 1.8/2.0 Twin Spark variants.
V6 Power Output:
Approx. 190-200 PS (140-147 kW) for the 2.5 V6 variant.
Fuel Injection:
Electronic Fuel Injection (EFI) for all variants, specific details on injector types and ECU control.
Ignition Type:
Distributorless Ignition System (DIS) for Twin Spark, Coil-on-plug for some V6 variants.
Engine Block Material:
Likely cast iron for Twin Spark and aluminium for V6.
Cylinder Head Material:
Aluminium alloy for all variants.
Transmission Options:
Manual transmissions were standard on most models.
Automatic Transmission:
Optional on some variants, likely a 4-speed automatic.
Clutch Type:
Hydraulically operated single dry plate clutch.
Gear Ratios:
Specific gear ratios for each transmission variant will be detailed in the manual.
Body Styles:
Four-door sedan.
Wheelbase:
Approximately 2570 mm (101.2 in).
Length:
Approximately 4350 mm (171.3 in).
Width:
Approximately 1700 mm (66.9 in).
Height:
Approximately 1420 mm (55.9 in).
Curb Weight:
Varies by engine and options, typically between 1250-1400 kg (2756-3086 lbs).
Crash Test Data:
Limited comprehensive official crash test data for this era from independent bodies like Euro NCAP. Manual will focus on system design rather than test results.
Braking System:
Anti-lock Braking System (ABS) available on most models. Ventilated front discs and solid rear discs.
Airbags:
Driver's airbag typically standard on later models. Passenger airbag optional or unavailable depending on market and trim.
Seat Belts:
Three-point seat belts with pre-tensioners.
Audio System:
Factory fitted radio/cassette player, often with upgraded speaker systems available. Manual will cover basic functionality and potential speaker replacement.
ABS:
Anti-lock Braking System (ABS) was a key technological feature for its time.
Diagnostics Port:
OBD-I or early OBD-II compliant diagnostic port, depending on the specific build date and market. Manual will detail diagnostic procedures and potentially connector pinouts.
Oil Change Interval:
Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, whichever comes first.
Timing Belt Replacement:
Crucial for Twin Spark engines. Usually every 60,000-80,000 km (37,000-50,000 miles) or 4-5 years, as failure can cause severe engine damage.
Engine Oil:
Viscosity grade typically 10W-40 or 5W-40, API SG or higher. Check manual for precise specifications based on engine and climate.
Coolant:
Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Refer to manual for specific type (e.g., Paraflu UP).
Brake Fluid:
DOT 3 or DOT 4, depending on the braking system specification. Flush and replace every 2 years.
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil, typically SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Dexron III or equivalent ATF fluid. Change interval typically 60,000 km (37,000 miles).
Rust Corrosion:
Common on older Italian cars, particularly around wheel arches, sills, and door bottoms. Proper inspection and rust treatment are key.
Electrical Gremlins:
While improved over earlier models, some electrical issues can still arise, particularly with wiring harnesses and connectors. The manual's detailed wiring diagrams are invaluable here.
Suspension Wear:
Components like ball joints, bushings, and shock absorbers can wear over time, affecting ride and handling.
Engine Twin Spark Wear:
The 'twin spark' ignition system, while providing good performance, can require specific maintenance. Camshaft wear can also be an issue if oil changes are neglected.
Brand Legacy:
Alfa Romeo is renowned for its sporty character, distinctive Italian design, and performance-oriented engines, particularly its V6 variants.
155 Development:
The 155 was designed to replace the 75 and was built on the Fiat Tipo platform. It marked a departure from Alfa Romeo's traditional rear-wheel-drive layout, adopting front-wheel-drive for most variants.
Motorsport Heritage:
The 155 had a successful motorsport career, notably in the Italian Superturismo Championship and DTM, often featuring advanced technology like active aerodynamics.
Production Period:
1992-1997. The manual covers the mid-life refresh and variants produced up to 1996.
