📚 Vehicle Manual Information

Audi 90 B3 1986-1991 Service Repair Workshop Manual

🏷️ Basic Information

Make:

Audi

Model:

90

Generation Code:

B3

Model Years:

1986, 1987, 1988, 1989, 1990, 1991

👋 Introduction

Target Audience:

Independent auto service professionals and car owners with basic mechanical skills.

Advantage:

Provides the same information used by authorized dealer service departments, offering significant cost savings for owners performing their own maintenance and repairs.

Content Quality:

Accurate, clear, and concise text combined with illustrations and diagrams for easy understanding and safe execution of repairs.

Information Source:

Vehicle-specific, not generic. Directly comparable to official Audi service documentation.

Roi:

Expected to pay for itself on the first few basic maintenance tasks like oil changes or filter replacements.

📋 Manual Details

Primary Coverage:

Service, Repair, Troubleshooting, Maintenance

Scope:

Comprehensive (all major topics covered)

Estimated Page Count:

Detailed page count not specified, but described as 'full service and repair instruction' and 'complete and intact', implying a substantial volume.

Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

Viewing Requirements:

Adobe PDF Reader

📖 Manual Coverage

Engine Mechanical:

Yes

Engine Electrical:

Yes

Emission Control:

Yes

Fuel System:

Yes

Clutch System:

Yes

Manual Transaxle:

Yes

Automatic Transaxle:

Yes

Driveshaft Axle:

Yes

Suspension:

Yes

Steering System:

Yes

Restraint System:

Yes

Brake System:

Yes

Body Interior Exterior:

Yes

Body Electrical:

Yes

HVAC:

Yes

General Information:

Yes

Diagnostic Procedures:

Yes (troubleshooting)

Repair Procedures:

Yes (step-by-step instruction)

Maintenance Procedures:

Yes (implied by service instruction)

Component Overhaul:

Yes (implied by comprehensive repair)

Depth:

Full dealership-level repair and diagnostic information, suitable for professional mechanics and informed DIY owners.

Detail Level:

Includes step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications.

📊 Manual Specifications

Compatibility:

All Versions of Windows AND Mac

Printability:

Yes (all pages are printable)

Binding:

Not applicable (PDF format)

Paper Type:

Not applicable (digital format)

Text Search:

Implied by PDF format, facilitating easy searching of topics.

⚙️ Engine Specifications

Engine Types Covered:

Likely covers the 2.3L inline-5 cylinder (NG) engine, common in the Audi 90 B3. May also include variants of the 2.0L and 2.2L inline-5 engines found in some markets or earlier Audi models that could be cross-referenced.

Horsepower Torque:

Detailed specifications (HP and torque figures for specific engine variants) would be found within the manual.

Fuel Delivery:

Covers fuel injection systems (likely Bosch KE-Jetronic or similar electronic injection systems of the era).

Engine Disassembly Assembly:

Detailed procedures for engine teardown, inspection, rebuilding, and reassembly.

ECU Diagnosis:

Information on engine control unit (ECU) operation, sensor inputs, and diagnostic procedures.

🔧 Transmission

Transmission Types:

Covers both Manual Transaxle Systems and Automatic Transaxle Systems.

Clutch System:

Detailed coverage of the clutch system for manual transmissions.

Transaxle Overhaul:

Procedures for repair and overhaul of both manual and automatic transaxles.

Fluid Specifications:

Specific fluid types and capacities for transmission and clutch systems would be detailed.

📐 Dimensions

Body Styles:

Primarily covers the sedan body style, but may include information relevant to coupe or Avant (wagon) variants if they existed under the 90 B3 nomenclature in specific markets.

Curb Weight:

Specific curb weights for different engine and drivetrain configurations would be available in the manual.

🛡️ Safety Features

Crash Safety:

The manual covers the 'Restraint' system, which includes information on airbags (if equipped), seatbelts, and other passive safety features.

Brake System Features:

Detailed information on the brake system, likely including ABS (Anti-lock Braking System) if equipped on the model years.

Body Structure:

Body repair sections implicitly cover structural integrity and safety cell construction.

💡 Technology Features

Audio System:

Covers the electrical system and body electrical systems, which would include aspects of the original factory radio, speakers, and antenna.

ABS:

Details on ABS, including its components, operation, and troubleshooting if equipped.

Lighting Systems:

Comprehensive coverage of interior and exterior lighting systems as part of the Body Electrical System.

🔧 Maintenance

Recommended Intervals:

The manual would provide detailed recommended service intervals for oil changes, filter replacements, spark plugs, timing belt replacement (critical for inline-5 engines), brake fluid flushes, coolant changes, etc.

Engine Oil:

Specific viscosity grades (e.g., 5W-40, 10W-40) and API service classifications for engine oil would be listed.

Coolant:

Type of antifreeze and coolant mixture ratio (e.g., G11 specification) for the cooling system.

Brake Fluid:

DOT specification for brake fluid (e.g., DOT 3 or DOT 4).

Common Problems:

While not explicitly stated in the product description, a comprehensive workshop manual would cover common issues such as vacuum leaks, fuel distributor problems, ignition system faults, suspension wear, and potential electrical gremlins common to vehicles of this era.

Filter Pns:

Specific part numbers for oil filters, air filters, fuel filters, and cabin filters would be included.

Bolt Torques:

Essential torque specifications for critical engine, transmission, suspension, and brake components for proper assembly.

📚 Vehicle History

Audi Legacy:

The Audi 90 B3 represents a significant step in Audi's evolution of front-wheel-drive and Quattro all-wheel-drive technology, known for its aerodynamic design and sophisticated engineering of the late 1980s.

B3 Generation:

The B3 generation (Typ 89) was a complete redesign from its predecessor, featuring a more aerodynamic and modern design language. It introduced significant chassis improvements and more refined powertrains.

Production Period:

Covered extensively from 1986 to 1991, spanning a key period of Audi's growth and technological advancement.

🏆 Awards & Recognition

Historical Accolades:

The Audi 90 B3 was generally well-regarded for its build quality, advanced Quattro system (if equipped), and comfortable interior for its time. Specific awards are not detailed in the product description but the vehicle was a strong contender in its luxury sedan segment.