🏷️ Basic Information

Make:

Audi

Model:

90 B3

Production Years Covered:

1986, 1987, 1988, 1989, 1990, 1991

Chassis Code:

Typ 89/8A (B3)

👋 Introduction

Target Audience:

Do-it-yourself enthusiasts and professional mechanics seeking comprehensive repair and maintenance information for the Audi 90 B3.

Advantages Over Print:

Less expensive than traditional paper manuals, convenient digital format, accessible on multiple devices, searchable content, no wear and tear from physical use.

Content Highlight:

Official full factory service repair manual, comprehensive coverage of all styles, step-by-step instructions with illustrations.

📋 Manual Details

Documentation Scope:

Complete factory service and repair information for all styles of the Audi 90 B3.

Estimated Pages:

Hundreds (exact count not specified, but described as comprehensive).

Type:

Factory Service Repair Manual / Workshop Manual

Language:

English

Digital Format:

PDF

📖 Manual Coverage

Mechanical Systems:

Engine Service/Repair, Transmission Service/Repair, Brake System, Suspension, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, Differential/Drive, Axle, Chassis/Body, Heater/Air Conditioning.

Electrical Systems:

Electrical System, Wiring Diagrams, Engine Control System, Restraint System (Airbags/Seatbelts).

Diagnostic And Repair:

Troubleshooting, complete disassembly and reassembly procedures, component repair and replacement, diagnostics.

Maintenance And Routine:

General Maintenance, Periodic Lubrication, Fluid Changes, Tune-ups.

Level Of Detail:

Step-by-step instructions with hundreds of photos and illustrations, suitable for both DIYers and experienced mechanics. Covers complete vehicle disassembly.

📊 Manual Specifications

Software Requirements:

Adobe PDF Reader (free), Winzip (free)

Printability:

Fully printable, allowing users to print entire manual or specific pages.

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Options:

Likely includes the Audi 2.3L 5-cylinder (NG engine code) and potentially other variants depending on market. Manual covers ALL STYLES.

Typical Horsepower Range:

Around 130-136 hp for the 2.3L 5-cylinder engine, depending on specific tune and market.

Injection System:

Fuel Injection (specifics like Bosch KE-Jetronic or Motronic likely detailed in manual).

🔧 Transmission

Transmission Type:

Likely offered with both manual and automatic transmissions. Manual provides coverage for both.

Optional Transmission:

Audi's quattro all-wheel-drive system was a significant option for the Audi 90 B3, especially with larger engines.

Gearbox Coverage:

Service and repair information for transmission systems including clutch, gearbox, and drivetrain components.

📐 Dimensions

Body Styles:

Primarily sedan (Saloon/Limousine), also potentially coupe variants depending on market specific designation for the '90' model.

Curb Weight:

Curb weight typically ranged from approximately 1250-1400 kg, depending on engine and drivetrain.

🛡️ Safety Features

Crash Test Data:

Specific crash test ratings for this era are less standardized than modern vehicles; manual may detail structural integrity and safety features relevant to occupant protection.

Braking System:

Front disc brakes, rear drum or disc brakes depending on model/trim. ABS (Anti-lock Braking System) was often an option.

Restraint Systems:

Seat belts, potentially early airbag systems in later models or higher trims. Manual covers the Restraint System.

💡 Technology Features

Audio System:

Basic AM/FM radio with cassette player, optional CD player in later models or higher trims. Manual covers dashboard disassembly for access.

ABS Availability:

Anti-lock Braking System (ABS) was an available option and is covered within the brake system section of the manual.

N/A:

Connectivity features are minimal by modern standards; manual may cover basic diagnostic port access if applicable.

🔧 Maintenance

Oil Change Interval:

Typically 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions. Manual will provide precise specifications.

Engine Oil Type:

Likely requiring synthetic or semi-synthetic oils, such as 5W-40 or 10W-40, dependent on ambient temperature. Manual will list specific VW/Audi specifications (e.g., VW 500.00, VW 501.01).

Coolant Type:

G11 (blue/green) antifreeze/coolant. Manual will specify correct type and mixture ratio.

Common Problems:

Potential issues can include aging electrical components, vacuum hose deterioration, catalytic converter issues, cooling system leaks (especially hoses and water pump), and clutch wear. The manual provides solutions for these.

📚 Vehicle History

Audi Philosophy:

Audi's reputation for engineering, quality interiors, and advanced (for the time) technology, often setting benchmarks in the premium segment.

B3 Generation:

The B3 generation (Typ 89/8A) marked a significant redesign for Audi, featuring more aerodynamic styling and a focus on improved safety and comfort compared to its predecessors. The '90' designation often indicated a higher trim level or more powerful engine variant within the Audi 80/90 family.

Manufacturing Location:

Audi vehicles of this era were primarily manufactured in Germany.