🏷️ Basic Information

Make:

Audi

Model:

80/90

Year:

1993

Chassis Codes:

8A, 8A2

Generation Code:

B4 (Type 8A)

Generation Years:

1991-1996

👋 Introduction

Target Audience:

DIY mechanics, independent repair shops, Audi enthusiasts seeking detailed service information.

Value Proposition:

Provides dealership-level repair and maintenance information in an accessible digital format, enabling cost savings and empowering owners.

Comparison To Generic Manuals:

Explicitly stated as vehicle-specific, not generic, offering greater accuracy and detail.

Key Benefit:

Empowers owners to perform repairs themselves, reducing reliance on professional mechanics.

Format Advantage:

All-in-one PDF manual eliminates the need to manage multiple physical books.

📋 Manual Details

Coverage Scope:

All models and all repairs A-Z for the 1993 Audi 80/90 (Type 8A).

Estimated Page Count:

Extensive (specific count not provided, but described as 'complete' and 'everything you will ever need').

Type:

Factory Service and Repair Manual

Language:

English

Format:

PDF

Digital Features:

Searchable, Printable, Zoomable images, Single PDF for ease of use.

📖 Manual Coverage

Engine Management:

Engine mechanical, control system, fuel service specifications, emission control, intake, exhaust, cooling, lubrication, ignition, starting, charging.

Drivetrain:

Automatic transmission, clutch, manual transmission, transfer case (if applicable), propeller shaft, drive shaft, differential, axles.

Suspension Steering Brakes:

Axle, suspension, tire & wheel, brake control, brakes, parking brake, steering column, power steering.

Electrical Body:

Air conditioning, supplemental restraint system (SRS), seat belts, engine immobilizer, cruise control, wiper & washer, door locks, meter, audio/visual systems, horn, windshield/glass/mirrors, instrument panel, seats, engine hood/doors, exterior and interior trim, general electrical systems, multiplex/CAN communication.

Diagnostic Procedures:

Diagnosis, troubleshooting of all systems.

Repair Procedures:

Complete step-by-step repair instructions for all components and systems.

Maintenance Procedures:

Routine maintenance, fluid changes, filter replacements, tune-ups.

Installation Procedures:

Installation of components and accessories (implied).

Depth:

Factory-level, highly detailed. Equivalent to dealership technician manuals.

Diagrams Illustrations:

Comprehensive diagrams, illustrations, and wiring schematics.

📊 Manual Specifications

File Type:

Portable Document Format (PDF)

Compatibility:

Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and Mac OS.

Software Requirements:

Adobe PDF Reader, Winzip (free online).

Printability:

Fully printable, allowing users to print specific pages or sections.

Binding:

N/A (Digital PDF format - no physical binding)

Paper Quality:

N/A (Digital PDF format - no physical paper)

⚙️ Engine Specifications

Engine Options Type:

Likely inline-four and V6 gasoline engines for the 1993 model year.

Engine Displacement Common 1:

2.3L (2309cc) 5-cylinder (Audi's signature engine, often found in the 80/90 range).

Engine Displacement Common 2:

2.0L (1984cc) 4-cylinder.

Engine Displacement Optional:

2.6L (2598cc) V6 (in the 90 model).

Horsepower 2 3L:

Approximately 130-133 hp (specific output varies by tune).

Torque 2 3L:

Approximately 137 lb-ft (specific output varies by tune).

Fuel Delivery:

Multi-point Fuel Injection (MPI) or Bosch Motronic electronic fuel injection.

Fuel Type:

Unleaded gasoline.

Ignition System:

Electronic ignition with distributor or distributorless ignition system (DIS) depending on engine variant.

🔧 Transmission

Type Standard:

5-speed Manual Transmission (5M).

Type Optional:

4-speed Automatic Transmission (ZF 4HP-18FL or similar).

Drive Layout:

Front-wheel drive (FWD) standard, with optional Quattro all-wheel drive (AWD).

Manual Transmission Fluid:

GL-4 gear oil (e.g., SAE 75W-90 or 80W-90).

Automatic Transmission Fluid:

Dexron III (or equivalent specification for the era).

📐 Dimensions

Body Styles Offered:

Sedan (4-door), Coupe (2-door), Avant (Wagon/Estate - less common for this specific year/model designation but covered by the platform).

Wheelbase:

Approximately 2610 mm (102.8 inches).

Track Width Front:

Approximate, refer to manual for exact specifications.

Track Width Rear:

Approximate, refer to manual for exact specifications.

Curb Weight Range:

Approximately 1200 - 1450 kg (2645 - 3197 lbs) depending on engine and driveline.

Gross Vehicle Weight Rating:

Refer to VIN plate and manual for specific GVWR.

🛡️ Safety Features

Crash Test Era Standards:

Designed to meet passive safety standards of the early 1990s. Specific NHTSA/Euro NCAP ratings for this exact year are less documented but the chassis incorporated crumple zones and safety cell principles.

Braking System:

Front ventilated disc brakes, rear solid disc brakes. ABS (Anti-lock Braking System) was often an option.

Steering System:

Rack and pinion steering, with power assistance as standard or optional.

Airbags:

Driver-side airbag may have been an option, passenger airbag less common for this model year.

Seat Belts:

Front and rear seat belts. Front seat belts with pre-tensioners were becoming more common.

Chassis Design:

Unitized steel body with integrated safety cage and energy-absorbing crumple zones.

💡 Technology Features

Audio System Era:

Factory-installed cassette or AM/FM radio, often with optional CD player. Speaker configurations vary by trim.

ABS:

Anti-lock Braking System (ABS) was available as an option on many models.

Multiplex Communication:

The manual mentions 'Multiplex/CAN Communication', indicating early forms of networked vehicle electronics, likely proprietary to Audi/VW for specific functions, not full OBD-II CAN bus as understood today.

Climate Control:

Manual or automatic climate control systems were available.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 12 months, whichever comes first, depending on driving conditions. Refer to manual for precise recommendations.

Spark Plug Replacement:

Intervals vary by plug type (e.g., copper, platinum). Refer to manual; typically 20,000-30,000 miles for standard plugs.

Timing Belt Replacement:

Crucial for 5-cylinder engines. Typically 60,000 miles (96,000 km) or 4-5 years. Failure can cause catastrophic engine damage.

Engine Oil Type:

API SG/SH or higher, SAE 5W-40, 10W-40, or 15W-40 depending on climate. Refer to manual for precise OEM specifications (e.g., VW 500 00).

Coolant Type:

G11 (blue) ethylene glycol based antifreeze mixed with distilled water at a 50/50 ratio.

Brake Fluid Type:

DOT 3 or DOT 4.

Common Wear Items:

Suspension bushings, control arms, wheel bearings, exhaust system components, fuel pump, ignition components (coil, distributor).

Electrical Quirks:

Aging wiring harnesses, dashboard illumination issues, power window regulators, door lock actuators.

Engine Specifics 5 Cyl:

Potential for oil leaks, especially from the front crankshaft seal and valve cover gasket. Timing belt is critical.

Wheel Bolt Pattern:

5x112 mm.

Tire Size Common:

Common sizes include 185/65R14, 195/60R15, 205/55R15. Refer to manual and door jamb sticker for exact specifications.

📚 Vehicle History

Audi Philosophy Era:

Audi was establishing its reputation for build quality, Quattro technology, and sophisticated design in this period.

Audi 80 90 Lineage:

The Type 8A (B4 platform) represented a significant redesign from the previous Type 85/81 generation, adopting Audi's new styling language and chassis technology.

Platform Significance:

The B4 platform was also the basis for the Audi Coupe and Cabriolet models of the same era.

Production Period:

The Audi 80/90 B4 generation was produced from 1991 to 1996.

Manufacturing Location:

Primarily Ingolstadt and Neckarsulm, Germany.

🏆 Awards & Recognition

Audi 80 90 Reputation Era:

Audi 80/90 series was generally well-regarded for its build quality, comfort, and driving dynamics, especially with the Quattro system.

Platform Acclaim:

The B4 platform was recognized for its chassis stiffness and refined ride, contributing to Audi's 'premium compact' image.

Engineering Standards:

Manufactured to German engineering and quality standards.