🏷️ Basic Information Identification Make: Alfa Romeo Model: 145 / 146 Product Name: Alfa Romeo 145/146 Master Service/Repair Workshop Manual 👋 Introduction Market Position Vehicle Segment: Compact/Small family car (C-segment) Brand Perception: Alfa Romeo is known for sporty handling, distinctive styling, and passionate driving dynamics. Competitive Analysis Key Competitors: Volkswagen Golf, Ford Focus, Opel Astra, Fiat Bravo, Renault Mégane, Peugeot 306. Key Features Manual Highlight: Classy, informative, easy to navigate with auto-run menu. Vehicle Characteristics: Known for engaging driving experience, distinctive Italian design, and a range of efficient and sporty engines. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for Alfa Romeo 145 and 146 models. Geographical Coverage: Global, reflecting typical European specifications and variants. Page Count Estimated Pages: Extensive (specific count not provided, but described as highly informative). Manual Type Type: Master Service/Repair Workshop Manual Language Language: English Format Format: PDF (Auto-run Menu) 📖 Manual Coverage Systems Covered Engine: Detailed coverage of all engine variants, including Twin Spark and Boxer engines, with diagnostic procedures, overhaul instructions, and component specifications. Transmission: Manual and Automatic transmission service, repair, and overhaul procedures, including clutch, differential, and gearbox components. Suspension And Steering: Complete service, alignment procedures, component replacement (struts, wishbones, bushings), power steering system diagnostics and repair. Brakes: Hydraulic system, ABS diagnostics, brake pad/disc replacement, caliper overhaul, parking brake service. Electrical And Electronics: Full wiring diagrams, ECU diagnostics, sensor testing, lighting systems, dashboard instruments, central locking, alarm systems, and body control modules. Fuel And Exhaust: Fuel injection systems (Bosch Motronic, etc.), fuel pump, injectors, catalytic converter, exhaust system components. Cooling System: Radiator, water pump, thermostat, fan system, heater matrix, coolant specifications. Bodywork And Chassis: Panel removal/installation, door mechanisms, interior trim, underbody protection, structural component checks. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug servicing, brake fluid changes, coolant flushes, timing belt replacement. Troubleshooting: Diagnostic flowcharts and symptom-based troubleshooting for common and complex issues across all systems. Component Overhaul: Detailed instructions for engine rebuilds, transmission disassembly, caliper overhauls, and other major component repairs. Diagnostics: Guidance on using diagnostic tools (if applicable to the era), interpreting fault codes, and performing system checks. Specifications And Tolerances: Precise torque values, clearances, fluid capacities, and wear limits for all components. Technical Depth Depth: Extremely high, covering everything from basic fluid checks to complete engine and transmission rebuilds. Target Audience: Professional mechanics and experienced DIY enthusiasts. 📊 Manual Specifications File Format Format: PDF Compatibility: All Versions of Windows, Mac, and Linux Searchability: Likely text-searchable PDF due to its structured format. Print Quality Printability: Yes Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) Download Type Download Speed: Instant High Speed Download Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Families: Alfa Romeo Twin Spark (4-cylinder) and Fiat/Lancia designed Boxer (4-cylinder). Engine Variants 1.4 Twin Spark: 1370cc, 80-90 HP 1.6 Twin Spark: 1598cc, 103-120 HP 1.8 Twin Spark: 1747cc, 129-144 HP 2.0 Twin Spark: 1970cc, 150-155 HP 1.9 Jtd (Diesel): 1910cc, 105 HP 2.0 V6 Turbo (Gtv/Spider Derived For Some Markets): 1996cc, ~190 HP (rare for 145/146, more for related models) Performance Top Speed Example: Approx. 190-215 km/h (depending on engine) Acceleration 0 100Kmh Example: Approx. 8.5 - 12.0 seconds (depending on engine) Fuel System Fuel Delivery: Electronic Multi-Point Fuel Injection (MPI) for Twin Spark, Common Rail Direct Injection (CRDI) for JTD. Ignition System: Distributorless Ignition System (DIS) with two spark plugs per cylinder for Twin Spark. Engine Codes Twin Spark Codes Example: AR 335.03, AR 335.05, AR 335.07, AR 335.09 etc. Boxer Engine Codes Example: AR 372.05 (1.4), AR 372.01 (1.6) 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: 4-speed Automatic Transmission (Selèspeed semi-automatic also available on some variants). Features Clutch Type: Hydraulically actuated dry single-plate clutch. Fluid Type Manual Transmission Fluid: API GL-4, SAE 75W-90 (specific Alfa Romeo recommendations should be cross-referenced). Automatic Transmission Fluid: Dexron II/III equivalent (specific Alfa Romeo PN may apply). 📐 Dimensions Exterior Body Styles: 3-door hatchback (145), 5-door hatchback (146) Length Mm: Approx. 4100 - 4150 mm Width Mm: Approx. 1700 - 1720 mm Height Mm: Approx. 1420 - 1450 mm Weights Curb Weight Kg: Approx. 1150 - 1350 kg (depending on engine and equipment) Gross Vehicle Weight Kg: Approx. 1700 - 1900 kg Cargo Luggage Capacity Litres: Approx. 300 - 350 litres (expandable with rear seats folded) 🛡️ Safety Features Ratings Euro Ncap Rating: Generally 3 stars (pre-2000 standards), older models may not have formal ratings. Active Features ABS: Optional or standard on higher trims/later models. Traction Control: Optional on some later models. Passive Features Airbags: Driver airbag standard, passenger airbag optional or standard on later models. Seatbelts: Pre-tensioned seatbelts with load limiters. Chassis Design: Designed with crumple zones and reinforced passenger cell. 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette or CD players, often with optional premium...
Alfa Romeo is known for sporty handling, distinctive styling, and passionate driving dynamics.
Competitive Analysis
Key Competitors:
Volkswagen Golf, Ford Focus, Opel Astra, Fiat Bravo, Renault Mégane, Peugeot 306.
Key Features
Manual Highlight:
Classy, informative, easy to navigate with auto-run menu.
Vehicle Characteristics:
Known for engaging driving experience, distinctive Italian design, and a range of efficient and sporty engines.
📋 Manual Details
Coverage Areas
Primary Coverage:
Comprehensive service and repair for Alfa Romeo 145 and 146 models.
Geographical Coverage:
Global, reflecting typical European specifications and variants.
Page Count
Estimated Pages:
Extensive (specific count not provided, but described as highly informative).
Manual Type
Type:
Master Service/Repair Workshop Manual
Language
Language:
English
Format
Format:
PDF (Auto-run Menu)
📖 Manual Coverage
Systems Covered
Engine:
Detailed coverage of all engine variants, including Twin Spark and Boxer engines, with diagnostic procedures, overhaul instructions, and component specifications.
Transmission:
Manual and Automatic transmission service, repair, and overhaul procedures, including clutch, differential, and gearbox components.
Suspension And Steering:
Complete service, alignment procedures, component replacement (struts, wishbones, bushings), power steering system diagnostics and repair.
Full wiring diagrams, ECU diagnostics, sensor testing, lighting systems, dashboard instruments, central locking, alarm systems, and body control modules.
Fuel And Exhaust:
Fuel injection systems (Bosch Motronic, etc.), fuel pump, injectors, catalytic converter, exhaust system components.
Cooling System:
Radiator, water pump, thermostat, fan system, heater matrix, coolant specifications.
Diagnostic flowcharts and symptom-based troubleshooting for common and complex issues across all systems.
Component Overhaul:
Detailed instructions for engine rebuilds, transmission disassembly, caliper overhauls, and other major component repairs.
Diagnostics:
Guidance on using diagnostic tools (if applicable to the era), interpreting fault codes, and performing system checks.
Specifications And Tolerances:
Precise torque values, clearances, fluid capacities, and wear limits for all components.
Technical Depth
Depth:
Extremely high, covering everything from basic fluid checks to complete engine and transmission rebuilds.
Target Audience:
Professional mechanics and experienced DIY enthusiasts.
📊 Manual Specifications
File Format
Format:
PDF
Compatibility:
All Versions of Windows, Mac, and Linux
Searchability:
Likely text-searchable PDF due to its structured format.
Print Quality
Printability:
Yes
Binding Type
Binding:
N/A (Digital PDF)
Paper Type
Paper Quality:
N/A (Digital PDF)
Download Type
Download Speed:
Instant High Speed Download
Requirements
Software:
Adobe PDF Reader
⚙️ Engine Specifications
Primary Engine
Engine Families:
Alfa Romeo Twin Spark (4-cylinder) and Fiat/Lancia designed Boxer (4-cylinder).
Engine Variants
1.4 Twin Spark:
1370cc, 80-90 HP
1.6 Twin Spark:
1598cc, 103-120 HP
1.8 Twin Spark:
1747cc, 129-144 HP
2.0 Twin Spark:
1970cc, 150-155 HP
1.9 Jtd (Diesel):
1910cc, 105 HP
2.0 V6 Turbo (Gtv/Spider Derived For Some Markets):
1996cc, ~190 HP (rare for 145/146, more for related models)
Performance
Top Speed Example:
Approx. 190-215 km/h (depending on engine)
Acceleration 0 100Kmh Example:
Approx. 8.5 - 12.0 seconds (depending on engine)
Fuel System
Fuel Delivery:
Electronic Multi-Point Fuel Injection (MPI) for Twin Spark, Common Rail Direct Injection (CRDI) for JTD.
Ignition System:
Distributorless Ignition System (DIS) with two spark plugs per cylinder for Twin Spark.
Engine Codes
Twin Spark Codes Example:
AR 335.03, AR 335.05, AR 335.07, AR 335.09 etc.
Boxer Engine Codes Example:
AR 372.05 (1.4), AR 372.01 (1.6)
🔧 Transmission
Standard
Type:
5-speed Manual Transmission
Optional
Type:
4-speed Automatic Transmission (Selèspeed semi-automatic also available on some variants).
Features
Clutch Type:
Hydraulically actuated dry single-plate clutch.
Fluid Type
Manual Transmission Fluid:
API GL-4, SAE 75W-90 (specific Alfa Romeo recommendations should be cross-referenced).
Automatic Transmission Fluid:
Dexron II/III equivalent (specific Alfa Romeo PN may apply).
📐 Dimensions
Exterior
Body Styles:
3-door hatchback (145), 5-door hatchback (146)
Length Mm:
Approx. 4100 - 4150 mm
Width Mm:
Approx. 1700 - 1720 mm
Height Mm:
Approx. 1420 - 1450 mm
Weights
Curb Weight Kg:
Approx. 1150 - 1350 kg (depending on engine and equipment)
Gross Vehicle Weight Kg:
Approx. 1700 - 1900 kg
Cargo
Luggage Capacity Litres:
Approx. 300 - 350 litres (expandable with rear seats folded)
🛡️ Safety Features
Ratings
Euro Ncap Rating:
Generally 3 stars (pre-2000 standards), older models may not have formal ratings.
Active Features
ABS:
Optional or standard on higher trims/later models.
Traction Control:
Optional on some later models.
Passive Features
Airbags:
Driver airbag standard, passenger airbag optional or standard on later models.
Seatbelts:
Pre-tensioned seatbelts with load limiters.
Chassis Design:
Designed with crumple zones and reinforced passenger cell.
💡 Technology Features
Infotainment
Audio System:
Factory fitted radio/cassette or CD players, often with optional premium sound systems.
Climate Control:
Manual air conditioning or optional automatic climate control on higher trims.
Driver Assistance
Cruise Control:
Optional on some models, particularly with larger engines.
Connectivity
OBD Port:
ALDL/OBD-II compliant diagnostic port for engine management systems (depending on model year and market).
🔧 Maintenance
Service Intervals
Oil Change Interval Km:
Typically every 10,000 - 15,000 km or 12 months.
Timing Belt Replacement Km:
Crucial for Twin Spark engines; usually every 50,000 - 60,000 km or 5 years due to potential catastrophic failure.
Spark Plug Replacement Km:
Twin Spark engines: Every 20,000-30,000 km for primary plugs, longer for secondary plugs. Standard plugs: 40,000-60,000 km.
Fluid Specifications
Engine Oil Type:
API SJ/SL or ACEA A3/B3/B4, Viscosity typically 10W-40 or 5W-40 (check manual for specific engine variant).
Coolant Type:
Ethylene glycol-based antifreeze, mixed with deionized water. Typically purple or red coloured for later models (refer to manual for specific OEM spec).
Brake Fluid Type:
DOT 4
Known Issues
Engine Oil Leaks:
Common around valve cover gaskets and oil seals, especially on older Twin Spark engines.
Timing Belt Tensioner:
Failure of the timing belt tensioner and idler pulleys is a critical concern for Twin Spark engines.
ABS Sensor Failure:
Wheel speed sensors can fail, triggering ABS warning lights.
Suspension Wear:
Wear on wishbone bushings and ball joints is common due to sporty handling.
Electrical Gremlins:
Minor electrical issues related to wiring harnesses, switches, and body control modules can occur over time.
Catalytic Converter:
Can degrade over time, affecting emissions and performance.
Rust:
Prone to rust in common areas like wheel arches, sills, and door bottoms, especially in humid climates.
📚 Vehicle History
Brand Heritage
Foundation:
Founded in 1910 in Milan, Italy.
Legacy:
Renowned for motorsport success and distinctive Italian automotive design and engineering.
Model Evolution
145 Introduction:
Launched in 1994 as a successor to the Alfa Romeo 33, offered as a 3-door hatchback.
146 Introduction:
Launched in 1995 as a 5-door hatchback version of the 145 platform.
Facelifts:
Both models received facelifts, most notably around 1997/1998, introducing updated styling, interior refinements, and improved engine options (e.g., the 2.0 Twin Spark).
Discontinuation:
Production ceased in 2000/2001, succeeded by the Alfa Romeo 147.
Production
Manufacturing Plant:
Pomigliano d'Arco, Naples, Italy.
Production Years:
1994 - 2000/2001
🏆 Awards & Recognition
Recognitions
Automotive Press:
Generally praised by automotive press for its driving dynamics and styling, often noted as a more engaging option in its class.
Consumer Reviews:
Popular among enthusiasts for its character, though reliability concerns have been a historical point of discussion for Alfa Romeo in this era.
Certifications
Emission Standards:
Euro 2 or Euro 3 compliant depending on model year and engine.