🏷️ Basic Information

Make:

Alfa Romeo

Model:

145 & 146

Product Name:

Alfa Romeo 145 & 146 DIY Workshop Service Repair Manual

Model Years Covered:

1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001

👋 Introduction

Target Audience:

Alfa Romeo 145 and 146 owners and independent repair shops seeking detailed service information.

Value Proposition:

Provides dealership-level repair and maintenance information for DIY users, enabling cost savings and self-sufficiency.

Advantage:

Official source of information, ensuring accuracy and completeness, superior to generic or unofficial guides.

Documentation Type:

Official Workshop Service Repair Manual, the same used by authorized service centers.

Comprehensiveness:

Covers all major mechanical, electrical, and body systems.

Accessibility:

Instant download format for immediate access to repair information.

📋 Manual Details

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

Digital Download (Official)

Availability:

Instant Download

📖 Manual Coverage

Engine Mechanical:

Complete coverage including cylinder head, cylinder block, crankshaft, pistons, connecting rods, camshafts, timing belts/chains, and related components.

Engine Control System:

Details on ECU, sensors (e.g., Camshaft Position Sensor, Knock Sensor), actuators, and emission control systems (SFI System, Charcoal Canister).

Fuel System:

Includes fuel pump, fuel injectors, fuel tank, fuel filter, throttle body assembly, and fuel pressure regulation.

Cooling System:

Radiator assembly, water pump assembly, cooling fan system, thermostat, engine coolant specifications, and related hoses.

Lubrication System:

Oil pump, oil filter, lubrication system maintenance, and oil specifications.

Ignition System:

Spark plugs, ignition coils, distributor (if applicable), and ignition timing.

Starting System:

Starter assembly, starter switch, and related electrical connections.

Charging System:

Generator assembly (alternator) and battery maintenance.

Transmission Manual:

Manual transaxle assembly, clutch system (master cylinder, release cylinder, clutch unit, pedal), shift and select lever shaft, and manual transaxle oil specifications.

Transmission Automatic:

Automatic transaxle assembly, torque converter clutch, transmission valve body, transmission control cable, transmission revolution sensor, and automatic transaxle fluid specifications.

Drive Train:

Drive shafts, front and rear axle hubs, front and rear axle beams, differential case assembly, and output shaft assembly.

Suspension Front:

Front suspension system, front suspension arms, front shock absorbers, front stabilizer bars, and front wheel alignment.

Suspension Rear:

Rear suspension system, rear shock absorbers, rear coil springs, rear axle beams, and rear wheel alignment.

Steering System:

Steering system components, steering column, power steering, power steering link assembly, and steering sensors.

Brake System:

Front and rear brakes, brake booster, brake master cylinder, brake fluid, parking brake, parking brake cable, parking brake lever, and brake actuator.

Wheel And Tire System:

Tire and wheel specifications, front and rear wheel alignment, and tire maintenance.

Lighting System:

Headlamps (assembly, protector retainer, dimmer switch), rear combination lamps, side turn signal lamps, license plate lamps, center stop lamps, and wiring diagrams for lighting.

Electrical System:

Comprehensive wiring diagrams, wire harness repair, electrical component location, and system diagnostics.

Body Repair:

Information on body panels, bumpers, fenders, door frames, glass replacement (windshield, rear door glass), and interior trim (roof headlining, back door garnish).

Interior Systems:

Seats, seat belts, seat belt warning system, sunroof system, instrument panel, audio & visual system, radio receiver assembly, speaker assemblies, and cigarette lighter assembly.

Safety Systems:

Supplemental Restraint System (SRS), airbag sensors (front, rear, side, seat, curtain shield), shift lock system, and seat belt pretensioners.

Wiper And Washer System:

Wiper motors (front and rear), wiper rubber, washer nozzles, washer system, and windshield wiper switch assembly.

Climate Control:

Heater and air conditioner system, heater radiator assembly, air conditioning blower assembly, air conditioning amplifier assembly, and air conditioner refrigerant.

Power Accessories:

Power window control system, power mirror control system, and power door lock control system.

General Maintenance:

Routine maintenance, lubrication schedule, fluid checks and changes, filter replacements, and general upkeep procedures.

Engine Repair:

Detailed engine disassembly, inspection, repair, and reassembly procedures for all major engine components. Includes valve clearance adjustment.

Transmission Service:

Manual and automatic transmission removal, installation, overhaul, and fluid service. Torque converter clutch operation.

Brake Service:

Brake pad and rotor replacement, caliper service, brake bleeding, parking brake adjustment, and ABS system diagnostics (if applicable via Skid Control Sensor).

Suspension And Steering Repair:

Replacement of suspension components (shocks, springs, arms), steering rack service, power steering pump replacement, and wheel alignment procedures.

Electrical Diagnostics:

Troubleshooting electrical faults using wiring diagrams, component testing, and diagnostic procedures for various systems.

Bodywork And Cosmetics:

Procedures for panel replacement, glass installation, interior trim fitting, and cosmetic repairs.

Air Conditioning Service:

Refrigerant handling, system servicing, component replacement, and troubleshooting for the climate control system.

Safety System Service:

Diagnostics and replacement of airbag components, seat belt systems, and related warning indicators.

Troubleshooting Guides:

System-specific troubleshooting charts and symptom-based diagnostic guidance.

Depth Of Information:

Comprehensive (Dealership Level)

Diagnostic Capabilities:

Advanced diagnostics, including sensor data interpretation and fault code identification (implicitly through system coverage).

Rebuild Procedures:

Detailed rebuild procedures for major mechanical components like engines and transmissions.

Torque Specifications:

Extensive torque specifications for all fasteners and critical assembly points.

Wiring Diagrams:

Detailed, high-quality wiring diagrams covering all vehicle electrical systems.

📊 Manual Specifications

Format:

Digital Download (likely PDF)

Searchability:

Searchable text (typical for official digital manuals)

Printability:

Printable pages (standard for DIY manuals)

Quality:

Official quality, mirroring dealership documentation.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Variants:

While not explicitly listed by displacement, the manual covers engines typically found in the 145/146 range, likely including Twin Spark variants (e.g., 1.4L, 1.6L, 1.8L, 2.0L) and possibly Diesel options. Detailed specifications for each would be within the manual.

Horsepower Torque:

Specific horsepower and torque figures vary by engine. The manual would detail these for each variant.

Injection Type:

Multi-point fuel injection (MPI) or direct injection systems would be detailed, consistent with SFI (Sequential Fuel Injection) systems.

Valve Adjustment:

Procedure for valve clearance adjustment is explicitly listed, indicating it's a critical maintenance item for these engines.

🔧 Transmission

Manual Transmission:

Standard on many variants, detailed coverage of manual transaxle assembly and operation.

Automatic Transmission:

Optional on some variants, with comprehensive coverage of automatic transaxle assembly, torque converter, and control systems.

Transmission Controls:

Details on shift and select lever shaft, floor shift assembly, and related cables.

📐 Dimensions

Body Styles:

The 145 is a 3-door hatchback, and the 146 is a 5-door hatchback. Dimensions would be specific to these body styles.

Curb Weight:

Varies by engine and trim. Manual would provide specific figures for different configurations.

🛡️ Safety Features

Crash Safety:

While specific Euro NCAP ratings for these older models are not readily available, the manual's coverage of SRS systems (airbags, seat belts) indicates a focus on occupant safety features of the era.

ABS:

The mention of 'Skid Control Sensor' implies the presence and serviceability of Anti-lock Braking Systems (ABS) on applicable models.

Airbags:

Comprehensive coverage of the Supplemental Restraint System (SRS), including various airbag sensors (front, side, seat, curtain shield) and related components.

💡 Technology Features

Audio System:

Covers the radio receiver assembly, speaker systems, and potentially amplifier antenna assemblies, detailing their integration and repair.

ABS System:

Serviceability of ABS through the 'Skid Control Sensor' and related diagnostics are covered, indicating the presence of this feature on some models.

Wiring Diagrams:

The extensive wiring diagrams are key for understanding the integration of all electronic systems, from basic lighting to power accessories and engine management.

🔧 Maintenance

Oil Change:

Specific intervals would be detailed in the manual, typically around 10,000-15,000 km or 12 months, depending on engine and usage.

Timing Belt:

Crucial for Twin Spark engines, timing belt replacement intervals (e.g., 60,000-80,000 km or 4-5 years) would be a key maintenance item detailed in the manual.

Engine Oil:

Manual would specify SAE viscosity grades (e.g., 10W-40, 15W-40) and API/ACEA specifications required for different engine types.

Coolant:

Specific coolant type and mixture ratio (e.g., ethylene glycol-based antifreeze) would be listed for the cooling system.

Brake Fluid:

DOT 3 or DOT 4 brake fluid specifications would be provided for the braking system.

Transmission Fluid:

Specific manual and automatic transmission fluid types and capacities would be detailed.

Common Problems:

While not explicitly in the product description, general knowledge of the 145/146 platform suggests potential areas like electrical gremlins, minor oil leaks, and wear on suspension components. The manual's detail would help diagnose and address these.

📚 Vehicle History

Alfa Romeo Legacy:

Alfa Romeo is renowned for its sporty driving dynamics, stylish Italian design, and motorsport heritage, which influenced the engineering of models like the 145 and 146.

145 146 Development:

The 145 and 146 were part of Alfa Romeo's strategy to expand its range in the compact and small family car segments, sharing many mechanical components but differing in body style (3-door vs. 5-door).

Production Years:

1994-2001. The manual covers the entire production run.

🏆 Awards & Recognition

Industry Recognition:

Specific awards for the 145/146 are not widely publicized. However, Alfa Romeo as a brand is consistently recognized for its engineering, design, and driving pleasure, which is reflected in the quality of their official documentation.