Alfa Romeo 145 146 1994-2001 Workshop Service Manual Repair

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The Alfa Romeo 145 and 146, produced between 1994 and 2001, represent Alfa Romeo's contribution to the compact family car segment, offering a blend of distinctive Italian styling and a...

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Type: Car

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Sku: 148298

Tags: 145 146 1994 1995 1996 1997 1998 1999 2000 2001 Alfa Romeo Car Cars

Product variants

Description

The Alfa Romeo 145 and 146, produced between 1994 and 2001, represent Alfa Romeo's contribution to the compact family car segment, offering a blend of distinctive Italian styling and a sporty driving experience. These models, built on shared mechanical underpinnings derived from the Tipo 155 (145) and Tipo 156 (146) chassis codes, were designed to appeal to a broad audience seeking more than just basic transportation. Available with a range of petrol Twin Spark engines and efficient JTD diesel engines, they provided engaging performance, with power outputs typically ranging from 80 to 155 horsepower. The 145 featured a more angular aesthetic, while the 146 presented a slightly more practical, family-oriented cabin, both embodying Alfa Romeo's legacy of creating driver-focused vehicles with characteristic handling and design flair. This comprehensive workshop service and repair manual provides extensive guidance for maintaining and repairing the Alfa Romeo 145 and 146 models from 1994-2001. It covers all essential systems, including detailed procedures for engine diagnostics, repair, and overhaul for both Twin Spark and JTD engines, as well as transmission service, braking system maintenance, suspension and steering adjustments, and electrical system troubleshooting with comprehensive wiring diagrams. The manual also details routine maintenance schedules, fuel and cooling system service, climate control, and bodywork repair. Designed for professional technicians and dedicated enthusiasts, this manual offers in-depth information to ensure the longevity and optimal performance of your vehicle, covering everything from basic fluid changes to complex component overhauls and diagnostic procedures.

🏷️ Basic Information

Identification

Make:

Alfa Romeo

Model:

145 / 146

Product Type:

Workshop Service Manual / Repair Manual

Product Format:

PDF Download

Generation

Production Years Covered:

1994-2001

Codes

Internal Project Codes:

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

👋 Introduction

Market Position

Vehicle Market Segment:

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

Competitive Analysis

Key Competitors:

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

Key Features

Brand Emphasis:

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

Target Audience

Manual User Profile:

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

Value Proposition

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

Coverage Areas

Main Coverage Areas:

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

Page Count

Estimated Page Count:

Hundreds of pages (typical for a full workshop manual)

Manual Type

Manual Type:

Factory Workshop Service and Repair Manual

Language

Language:

English

Format

File Format:

📖 Manual Coverage

Systems Covered

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.

Procedures Included

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.

Technical Depth

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

File Format Compatibility:

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

Print Quality

Printability:

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

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

Zoom Functionality

Zoom In Out:

⚙️ Engine Specifications

Primary Engine

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.

Performance

Typical Hp Range:

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

Fuel System

Fuel Delivery:

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

Engine Codes

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

Standard Transmission:

5-speed Manual Transmission.

Optional

Optional Transmission:

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

Features

Clutch Type:

Hydraulically operated single dry plate clutch.

📐 Dimensions

Exterior

Body Styles:

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

Wheelbase Mm:

Approx. 2575 mm

Weights

Curb Weight Kg:

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

🛡️ Safety Features

Ratings

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.

Active Features

Available Active Safety:

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

Passive Features

Available Passive Safety:

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

💡 Technology Features

Infotainment

Original Infotainment Features:

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

Driver Assistance

Driver Assistance Systems:

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

Connectivity

Connectivity Options:

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

🔧 Maintenance

Service Intervals

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.

Fluid Specifications

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.

Known Issues

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

Brand Heritage

Alfa Romeo Legacy:

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

Model Evolution

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.

Production

Manufacturing Location:

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

🏆 Awards & Recognition

Recognitions

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.