🏷️ Basic Information Identification Make: Alfa Romeo Model: 155 Product Name: Alfa Romeo 155 Complete Workshop Repair Manual 1992-1998 Generation Production Years: 1992-1998 Codes Chassis Codes: 167 Series 👋 Introduction Market Position Target Audience: DIY car owners, independent workshops, and enthusiasts looking to perform their own maintenance and repairs on the Alfa Romeo 155. Competitive Analysis Value Proposition: Saves significant money on repair costs by empowering owners with detailed, step-by-step instructions and comprehensive technical data. Key Features Ease Of Use: Designed for ease of use with clear instructions, pictures, and diagrams, accessible on various devices. Completeness: Covers all aspects of servicing, repair, and maintenance, providing a complete resource for the vehicle. Brand Focus Specialization: Dedicated to the Alfa Romeo 155, offering specific and accurate information for this model. 📋 Manual Details Coverage Areas Engine Coverage: All engine types for 1992-1998 models (e.g., Twin Spark, V6) Model Variants Covered: All models and trim levels for the specified years Page Count Estimated Pages: Extensive (not specified, but described as 'in depth' and covering 'all areas') Manual Type Type: Workshop Repair Manual / Service Manual Language Language: English Format Format: PDF Download Compatibility Devices: PC, MAC, Tablets, Smartphones 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, disassembly, assembly, cylinder head, pistons, crankshaft, camshafts, timing systems (belt/chain), lubrication system, cooling system Fuel System: Fuel injection systems (Bosch Motronic variants), fuel pump, injectors, fuel pressure regulator, fuel filter replacement Ignition System: Ignition coils, spark plugs, ignition timing, distributor (if applicable), ECU diagnosis Transmission Manual: Clutch replacement, gearbox overhaul, gear shift mechanism, gearbox fluid changes Transmission Automatic: Automatic transmission service, fluid changes, shift control, torque converter (if applicable) Drivetrain: Front-wheel drive system, driveshafts, CV joints, differential maintenance Suspension System: Front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel alignment procedures Steering System: Power steering system, steering rack, tie rods, steering column, fluid maintenance Brake System: Brake pad and disc replacement, brake fluid bleeding and replacement, ABS system diagnosis, parking brake adjustment Electrical System: Battery, alternator, starter motor, lighting system, fuses, relays, wiring diagrams for all circuits Bodywork And Chassis: Body panel removal and installation, door mechanisms, window regulators, bumper repair, chassis lubrication Heating Ventilation And Air Conditioning: HVAC system components, refrigerant handling, blower motor, climate control operation Interior Trim: Dashboard removal, seat removal, carpet replacement, interior paneling Procedures Included Maintenance Tasks: Routine servicing, oil and filter changes, air filter replacement, spark plug replacement, coolant checks, brake fluid checks, tire rotation Diagnostic Procedures: Troubleshooting guides for common problems, fault code reading (OBD-I/OBD-II where applicable), symptom-based diagnosis Repair Procedures: Step-by-step instructions for all mechanical, electrical, and bodywork repairs Component Replacement: Detailed instructions for replacing major and minor components, including timing belts, water pumps, alternators, starters, fuel pumps, etc. Adjustment Procedures: Adjustment procedures for brakes, clutch, parking brake, throttle linkage, idle speed Wiring Diagrams: Comprehensive, detailed wiring diagrams for all electrical systems Technical Depth Depth: Full professional quality in-depth service and repair, covering routine maintenance to major overhauls and diagnostics. Visual Aids Illustrations: Clear, easy-to-follow step-by-step instructions with pictures and diagrams 📊 Manual Specifications File Format Format: PDF Searchable: Likely (PDF format typically allows for text searching) Print Quality Quality: Professional quality Binding Type Type: Digital Download (Not applicable for physical binding) Paper Type Type: Digital (Not applicable for physical paper type) Delivery Method: Instant Download upon payment ⚙️ Engine Specifications Primary Engine Engine Family: Alfa Romeo Twin Spark (various displacements like 1.7L, 1.8L, 2.0L) Engine Family Variant: Alfa Romeo V6 Busso (e.g., 2.5L, 3.0L, 3.2L - often in later or performance variants) Performance Horsepower Range: Varies by engine: typically 129 hp (1.7 TS) to over 210 hp (3.0 V6 Q4) Torque Range: Varies by engine: typically around 164 Nm (1.7 TS) to over 285 Nm (3.0 V6) Fuel System Injection Type: Electronic Fuel Injection (EFI), typically utilizing Bosch Motronic systems. Ignition System Type: Distributorless Ignition System (DIS) for Twin Spark, or coil-on-plug for V6 variants. Specific details will be in the manual. Timing System Method: Timing belt driven for Twin Spark engines, timing chains for V6 Busso engines. Manual will detail replacement intervals and procedures. Emission Controls Features: Catalytic converters, lambda sensors (oxygen sensors), secondary air injection (depending on market and model year). 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: 4-speed Automatic Transmission (less common, often with V6 models) Features All Wheel Drive: Available on certain performance models (e.g., 155 Q4) featuring a Viscous Coupling (VC) centre differential and Torsen limited-slip differentials. Fluid Specifications Manual Transmission Fluid: Refer to manual for specific GL-4 or GL-5 gear oil specifications and capacities (e.g., API GL-4 75W-90 is common). Automatic Transmission Fluid: Refer to manual for specific ATF type (e.g., Dexron III equivalent) and capacity. 📐 Dimensions Exterior Length: Approx. 4442 mm (174.9 in) Width: Approx. 1715 mm (67.5 in) Height: Approx. 1425 mm (56.1...
Comprehensive, detailed wiring diagrams for all electrical systems
Technical Depth
Depth:
Full professional quality in-depth service and repair, covering routine maintenance to major overhauls and diagnostics.
Visual Aids
Illustrations:
Clear, easy-to-follow step-by-step instructions with pictures and diagrams
📊 Manual Specifications
File Format
Format:
PDF
Searchable:
Likely (PDF format typically allows for text searching)
Print Quality
Quality:
Professional quality
Binding Type
Type:
Digital Download (Not applicable for physical binding)
Paper Type
Type:
Digital (Not applicable for physical paper type)
Delivery
Method:
Instant Download upon payment
⚙️ Engine Specifications
Primary Engine
Engine Family:
Alfa Romeo Twin Spark (various displacements like 1.7L, 1.8L, 2.0L)
Engine Family Variant:
Alfa Romeo V6 Busso (e.g., 2.5L, 3.0L, 3.2L - often in later or performance variants)
Performance
Horsepower Range:
Varies by engine: typically 129 hp (1.7 TS) to over 210 hp (3.0 V6 Q4)
Torque Range:
Varies by engine: typically around 164 Nm (1.7 TS) to over 285 Nm (3.0 V6)
Fuel System
Injection Type:
Electronic Fuel Injection (EFI), typically utilizing Bosch Motronic systems.
Ignition System
Type:
Distributorless Ignition System (DIS) for Twin Spark, or coil-on-plug for V6 variants. Specific details will be in the manual.
Timing System
Method:
Timing belt driven for Twin Spark engines, timing chains for V6 Busso engines. Manual will detail replacement intervals and procedures.
Emission Controls
Features:
Catalytic converters, lambda sensors (oxygen sensors), secondary air injection (depending on market and model year).
🔧 Transmission
Standard
Type:
5-speed Manual Transmission
Optional
Type:
4-speed Automatic Transmission (less common, often with V6 models)
Features
All Wheel Drive:
Available on certain performance models (e.g., 155 Q4) featuring a Viscous Coupling (VC) centre differential and Torsen limited-slip differentials.
Fluid Specifications
Manual Transmission Fluid:
Refer to manual for specific GL-4 or GL-5 gear oil specifications and capacities (e.g., API GL-4 75W-90 is common).
Automatic Transmission Fluid:
Refer to manual for specific ATF type (e.g., Dexron III equivalent) and capacity.
📐 Dimensions
Exterior
Length:
Approx. 4442 mm (174.9 in)
Width:
Approx. 1715 mm (67.5 in)
Height:
Approx. 1425 mm (56.1 in)
Wheelbase
Wheelbase:
Approx. 2600 mm (102.4 in)
Weights
Curb Weight:
Varies by model and engine, typically 1250 kg to 1450 kg (2755 lbs to 3197 lbs)
🛡️ Safety Features
Ratings
Crash Test Results:
Information on any official crash test ratings for the period is limited. Manual may contain insights into structural integrity.
Active Features
Braking:
Anti-lock Braking System (ABS) available on many models, especially higher trims and Q4 variants.
Traction Control:
Traction Control System (ASR) was optional or standard on certain performance models.
Passive Features
Airbags:
Driver's airbag standard on later models, passenger airbag optional or standard on top trims.
Seatbelts:
Three-point seatbelts with pretensioners for front occupants.
💡 Technology Features
Infotainment
Audio System:
Factory fitted radio/cassette or CD players. Manual will cover basic audio system diagnostics and speaker replacement.
Driver Assistance
Cruise Control:
Optional on many models, particularly higher-specification variants.
Connectivity
Not Applicable:
Connectivity features typical of modern vehicles (Bluetooth, USB) are not present. Manual focuses on core vehicle systems.
🔧 Maintenance
Service Intervals
Oil And Filter Change:
Typically every 10,000-15,000 km or 12 months, whichever comes first. Manual will specify exact intervals and oil grades.
Timing Belt Replacement:
Crucial for Twin Spark engines. Typically recommended every 60,000 km or 5 years. Manual will detail procedure and required components (e.g., tensioners, idlers).
Spark Plug Replacement:
For Twin Spark, due to twin spark plug design, specific replacement intervals will be detailed. For V6, generally every 40,000-60,000 km.
Fluid Specifications
Engine Oil:
Refer to manual for specific API/ACEA specifications and viscosity grades (e.g., Selenia grades, 10W-40, 15W-50 depending on engine and climate).
Coolant:
Refer to manual for specific coolant type (e.g., Ethylene Glycol based) and mixture ratio (50/50 with distilled water). Alfa Romeo specific coolant may be recommended.
Brake Fluid:
Typically DOT 3 or DOT 4 brake fluid. Manual will confirm and specify replacement intervals.
Known Issues
Twin Spark Engine:
Wear on the 'better' spark plug thread in cylinder heads (due to twin plug design), timing belt component failure if not replaced on schedule, oil consumption.
Electronics:
Can be prone to minor electrical gremlins, sensor issues (e.g., crank/cam sensors), and aging wiring harnesses. Manual's wiring diagrams are essential here.
Suspension And Steering:
Wear in bushings (especially front wishbones), ball joints, and potential for steering rack leaks. Manual will guide diagnosis and replacement.
Rust:
As with many cars of this era, rust can affect wheel arches, sills, and rear spring mounting points. Manual will highlight areas for inspection.
📚 Vehicle History
Brand Heritage
Brand Identity:
Alfa Romeo is renowned for sporty handling, distinctive Italian styling, and a passionate driving experience, often featuring technologically advanced engines for their time.
Model Evolution
Introduction:
The Alfa Romeo 155 was introduced in 1992 as a replacement for the Alfa Romeo 75, marking a significant shift towards a more modern, front-wheel-drive platform.
Key Variants:
Notable variants include the Twin Spark (TS) models with various engine sizes, the luxurious V6 versions, and the high-performance 'Q4' all-wheel-drive models, often featuring enhanced aerodynamics and suspension.
Production
Manufacturing Location:
Primarily manufactured at Fiat Auto's plants in Italy.
Discontinuation:
Production concluded in 1998, succeeded by the Alfa Romeo 156.
🏆 Awards & Recognition
Recognitions
Automotive Journalism:
While specific awards are not highlighted, the 155 was generally praised for its driving dynamics and sporting character, particularly the Q4 variant which competed effectively in touring car racing.