🏷️ Basic Information

Make:

Alfa Romeo

Model:

145 / 146

Product Type:

Workshop Service Manual / Repair Manual

Product Format:

PDF Download

Production Years Covered:

1994-2001

Internal Project Codes:

Tipo 155 (145) / Tipo 156 (146) - Note: Manual covers these distinct chassis codes under a shared manual.

👋 Introduction

Vehicle Market Segment:

Compact family car / hatchback, positioned as a stylish and sporty offering in its class.

Key Competitors:

Volkswagen Golf, Ford Focus, Opel Astra, Renault Mégane, Fiat Bravo/Brava.

Brand Emphasis:

Alfa Romeo's characteristic sporty handling, distinctive Italian styling, and engaging driving experience.

Manual User Profile:

Professional automotive technicians, dealership service departments, and enthusiastic DIY car owners seeking in-depth repair and maintenance information.

Manual Benefit:

Empowers owners to perform maintenance and repairs themselves, saving on labor costs and ensuring proper upkeep of their Alfa Romeo 145/146.

📋 Manual Details

Main Coverage Areas:

Comprehensive coverage for both Alfa Romeo 145 and 146 models within the specified production years.

Estimated Page Count:

Hundreds of pages (typical for a full workshop manual)

Manual Type:

Factory Workshop Service and Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Systems:

Detailed diagnostics, repair, overhaul, and maintenance procedures for various engine variants including Twin Spark and JTD diesel engines.

Transmission Systems:

Manual and automatic transmission repair, clutch service, gear shift linkage adjustments, and fluid specifications.

Braking Systems:

Front and rear brake system diagnosis, pad and disc replacement, caliper service, hydraulic system bleeding, and ABS functionality.

Suspension Steering:

Front and rear suspension component replacement (struts, springs, control arms, bushings), wheel alignment specifications, power steering system service, and steering rack repair.

Electrical Systems:

Comprehensive wiring diagrams, troubleshooting guides for lighting, ignition, charging system, starter motor, body control modules, and sensor diagnostics.

Fuel Systems:

Fuel injection system diagnosis, fuel pump and filter replacement, injector service, and fuel pressure specifications.

Exhaust Systems:

Exhaust system component inspection, replacement of catalytic converters, mufflers, and pipework.

Cooling Systems:

Radiator service, water pump replacement, thermostat diagnostics, cooling fan operation, and coolant specifications.

Climate Control HVAC:

Air conditioning system service, refrigerant types, compressor operation, heater core replacement, and cabin filter replacement.

Body And Chassis:

Body panel alignment, door and window mechanism repair, interior trim removal and installation, and chassis structural information.

Routine Maintenance:

Detailed periodic maintenance charts, oil change procedures, filter replacements, spark plug replacement, and fluid level checks.

Troubleshooting:

Step-by-step troubleshooting guides for common and complex issues, including diagnostic trouble codes (DTCs) and their interpretations.

Engine Overhaul:

Complete engine disassembly, inspection, repair, and reassembly procedures, including piston, crankshaft, and cylinder head work.

Transmission Overhaul:

Detailed overhaul procedures for manual gearboxes and automatic transmissions, including torque converter service.

Brake System Repair:

Complete brake component replacement, bleeding procedures, and ABS system diagnostics.

Electrical Diagnostics:

Wiring diagrams for all circuits, component testing, and fault finding procedures.

Suspension And Steering Repair:

Replacement of all suspension and steering components, alignment procedures.

Diagnostic Procedures:

On-board diagnostics (OBD-II) information and fault code lookup.

Body And Trim Repair:

Procedures for removing and refitting interior and exterior trim pieces.

Depth Of Information:

Suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complex component overhauls and diagnostics.

📊 Manual Specifications

File Format Compatibility:

PDF, viewable on all devices with Adobe Reader. Compatible with Windows and Mac operating systems.

Printability:

Fully printable, allowing users to print specific sections as needed.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Zoom In Out:

YES

⚙️ Engine Specifications

Engine Options 145 146:

Petrol: 1.4 Twin Spark (8V/16V), 1.6 Twin Spark (8V/16V), 1.8 Twin Spark (16V), 2.0 Twin Spark (16V). Diesel: 1.9 JTD.

Typical Hp Range:

80 HP (1.4) to 155 HP (2.0 Twin Spark) depending on engine variant.

Fuel Delivery:

Electronic Fuel Injection (MPI) for petrol engines. Common Rail Direct Injection (CRDI) for JTD diesel.

Common Engine Codes:

e.g., AR372.03 (1.4 TS), AR321.04 (1.6 TS), AR323.01 (1.8 TS), AR323.10 (2.0 TS), 937A2000 (1.9 JTD).

🔧 Transmission

Standard Transmission:

5-speed Manual Transmission.

Optional Transmission:

4-speed Automatic Transmission (available on some petrol variants).

Clutch Type:

Hydraulically operated single dry plate clutch.

📐 Dimensions

Body Styles:

5-door hatchback (145), 5-door hatchback/compact MPV (146 - often considered more family-oriented).

Wheelbase Mm:

Approx. 2575 mm

Curb Weight Kg:

Approx. 1150-1300 kg (depending on engine and specifications)

🛡️ Safety Features

Crash Test History:

Refer to Euro NCAP or equivalent crash test results for the specific years. Early models may have less advanced safety features compared to later competitors.

Available Active Safety:

Anti-lock Braking System (ABS), often optional or standard on higher trims.

Available Passive Safety:

Driver and passenger airbags (often standard on later models), seatbelt pretensioners.

💡 Technology Features

Original Infotainment Features:

Basic radio/cassette or CD player systems, potentially with optional upgraded sound systems. Limited connectivity by modern standards.

Driver Assistance Systems:

Minimal driver assistance systems typical for the era; focus is on driving dynamics rather than electronic aids.

Connectivity Options:

No integrated Bluetooth or USB functionality; auxiliary inputs for external devices may be present on later models or aftermarket units.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000-15,000 km or 12 months, depending on driving conditions and specific engine variant. Consult manual for precise intervals.

Timing Belt Interval:

Crucial for Twin Spark engines. Interval varies by engine code, commonly around 60,000-90,000 km or 5-6 years. Failure is catastrophic.

Engine Oil Specification:

e.g., Selenia 20K (API SL/CF, ACEA A3/B3) or equivalent SAE 10W-40 or 10W-30, depending on climate and engine. Manual specifies exact grades.

Coolant Specification:

Paraflu UP (or equivalent) - typically a 50/50 mix of antifreeze/coolant and deionized water.

Brake Fluid Specification:

DOT 4.

Transmission Fluid Manual:

API GL-4 SAE 75W-90 or 80W-90 gear oil.

Transmission Fluid Automatic:

ATF DEXRON III or equivalent.

Common Twin Spark Issues:

Timing belt failure (if not replaced on schedule), coil pack issues, ECU problems, Alfa Romeo's proprietary engine management systems can be complex to diagnose.

Common Rust Areas:

Wheel arches, sill panels, rear tailgate, and subframes can be prone to corrosion, especially in certain climates.

Electrical Gremlins:

Intermittent issues with central locking, windows, and dashboard warning lights can occur due to aging wiring or grounding points.

📚 Vehicle History

Alfa Romeo Legacy:

Alfa Romeo has a long history of producing sporty, driver-focused cars with distinctive Italian design and engineering.

145 146 Development:

The 145 and 146 were part of Alfa Romeo's strategy to broaden its appeal in the compact segment. The 145 featured a more angular design, while the 146 offered a more practical, slightly larger cabin and often a distinct rear end. Both shared mechanical underpinnings.

Manufacturing Location:

Primarily produced at Alfa Romeo's Pomigliano d'Arco plant in Italy.

🏆 Awards & Recognition

Historical Acclaim:

While specific awards may be difficult to pinpoint for these particular models, Alfa Romeo as a brand is consistently recognized for its design and sporty driving characteristics.