🏷️ Basic Information

Make:

Audi

Model:

80 (B4)

Year:

1992

Chassis Code:

B4

👋 Introduction

Target Audience:

Do-it-yourself enthusiasts and experienced mechanics seeking authentic dealership-level repair information.

Quality Assurance:

This manual is presented as a high-quality, official document, contrasting with 'cheap home-made' alternatives that may contain inaccuracies.

Features:

Detailed illustrations, step-by-step instructions, exploded views, troubleshooting guides, electrical wiring diagrams, and critical service information.

Completeness:

Described as a 'COMPLETE official full workshop service repair manual', implying it covers all aspects of repair and maintenance for the specified model year and all its variants.

Cost Effectiveness:

An inexpensive way to maintain and repair the vehicle, saving costs associated with professional dealership services.

📋 Manual Details

Coverage:

Comprehensive service and repair for all Audi 80 (B4) models produced in 1992, all styles.

Total Pages:

600+

Type:

Factory Workshop Service Repair Manual

Language:

German

File Format:

PDF

Notes Cautions Warnings:

Prominent placement of notes, cautions, and warnings to highlight critical information and prevent mistakes.

Searchability:

PDF format allows for text searching if the OCR quality is high, complementing the structured table of contents.

📖 Manual Coverage

Powertrain:

Engine Mechanical, Engine Control System, Fuel System, Cooling System, Ignition System, Exhaust System, Transmission (Manual & Automatic).

Chassis:

Brake System, Steering System, Suspension System (Front & Rear), Wheel & Tire System, Drive Shafts, Differential Case Assy.

Electrical:

Electrical System, Lighting System, Charging System, Starting System, Combination Meter, Audio & Visual System, Power Mirror Control System, Power Window Control System, Power Door Lock Control System.

Body:

Body Repair, Exterior Components (Bumpers, Panels, Doors, Glass), Interior Components (Seats, Trim, Instrument Panel), Sun Roof System, Wiper & Washer System, Air Conditioning System.

Safety Systems:

Supplemental Restraint System (Airbag), Seat Belt Systems, Parking Brake System.

Maintenance:

Routine maintenance, fluid changes, filter replacements, lubrication, inspection schedules.

Troubleshooting:

Diagnostic procedures, common fault identification, electrical system troubleshooting.

Repair:

Detailed step-by-step repair instructions for all major vehicle systems, component disassembly and reassembly.

Diagnostics:

Engine diagnostics, electrical system diagnostics, fault code interpretation (where applicable).

Electrical Schematics:

Comprehensive wiring diagrams covering all major electrical circuits, allowing for diagnosis and repair of lighting, ignition, starting, charging, and accessory systems.

Engine Rebuild:

Detailed procedures for engine disassembly, overhaul, and reassembly, including cylinder head removal, piston and connecting rod installation, crankshaft bearing replacement, and valve adjustments.

Transmission Overhaul:

Step-by-step instructions for the overhaul of both manual and automatic transmissions, including clutch replacement, gear synchro repair, valve body service, and torque converter maintenance.

Suspension And Steering Repair:

Detailed guidance on replacing control arms, ball joints, tie rod ends, shock absorbers, springs, and steering rack components.

Brake System Service:

Procedures for replacing brake pads, discs, calipers, master cylinder, brake lines, and bleeding the brake system. ABS component diagnosis and replacement will also be covered.

Depth:

Complete workshop level, suitable for professional mechanics and advanced DIY enthusiasts. Includes detailed substeps, critical notes, cautions, and warnings.

Illustrations:

Hundreds of detailed illustrations, drawings, and photographs accompany each procedure, including enlarged inset views for intricate components.

Torque Specifications:

Extensive listing of all critical torque specifications for engine, transmission, chassis, and body components.

Diagnostic Tools:

While specific diagnostic tool usage might be limited for this era, the manual focuses on systematic troubleshooting based on symptoms and component testing.

📊 Manual Specifications

Format:

PDF

Compatibility:

Windows, Mac, Linux

Printability:

Printable without any restriction.

Binding:

Digital (PDF Download)

Paper Quality Imitation:

High-quality scanned pages with clear text and images, mimicking professional workshop manuals.

Organization:

Numbered table of contents for quick information retrieval, bold figure numbers for easy illustration matching.

⚙️ Engine Specifications

Engine Options 1992:

Covers multiple engine variants typical for the Audi 80 B4 in 1992, including likely candidates like the 2.0L 4-cylinder (e.g., AAC, ABT) and 2.3L 5-cylinder (e.g., NG).

Horsepower Range:

Likely ranges from approximately 90 hp for base 2.0L to 133 hp for the 2.3L 5-cylinder, detailed within the manual.

Torque Range:

Torque specifications for various engine variants will be detailed, typically from around 145 Nm to 200 Nm.

Fuel Delivery:

Details on fuel injection systems (e.g., Bosch Mono-Jetronic or Motronic) and potentially carbureted systems for certain markets.

Engine Oil Capacity Typical:

Approx. 4.0-5.0 liters depending on engine variant (detailed in manual).

Spark Plug Type Typical:

Specific spark plug part numbers and gap settings will be provided.

🔧 Transmission

Standard Transmission:

Manual transmission (likely 5-speed).

Optional Transmission:

Automatic transmission (likely 4-speed).

Transmission Fluid Spec Typical:

Specific Automatic Transmission Fluid (ATF) type and manual gearbox oil specifications will be detailed (e.g., G052145A2 for manual, G052025A2 for automatic).

📐 Dimensions

Length Typical:

Approx. 4400-4500 mm depending on sedan/avant body style.

Width Typical:

Approx. 1700 mm.

Height Typical:

Approx. 1400-1450 mm.

Curb Weight Range:

Typically between 1150 kg and 1350 kg, varying by engine and body style.

Gross Vehicle Weight Rating Typical:

Around 1700-1850 kg.

Wheelbase Typical:

Approx. 2610 mm.

🛡️ Safety Features

Crash Test Data Availability:

While formal Euro NCAP ratings were not prevalent in 1992, the manual would detail internal safety structural information and passive safety features.

Braking System Type:

Front ventilated discs, rear discs or drums depending on model/engine. Anti-lock Braking System (ABS) was often an option.

Restraint Systems:

Front airbags were becoming optional or standard on higher trims, seat belts with pre-tensioners for front occupants.

Body Structure:

Reinforced safety cell, crumple zones, side impact protection beams.

💡 Technology Features

Audio System Options:

Factory fitted radio/cassette players, with options for CD players and upgraded speaker systems.

Instrument Cluster:

Includes tachometer, speedometer, fuel gauge, coolant temperature gauge, and warning lights. Combination meter details are covered extensively.

Driver Assistance Features Available:

ABS, power steering, and later models might have traction control (though less common on base 1992 models).

Connectivity Options:

Limited by era, primarily focused on basic audio and power accessory connections. The manual covers wiring for these systems.

🔧 Maintenance

Oil Change Interval Typical:

Typically every 10,000-15,000 km or 12 months, whichever comes first (detailed in manual).

Timing Belt Replacement Interval Typical:

Crucial for 4-cylinder engines, often around 60,000-90,000 km or 5 years. Manual will specify exact interval and part numbers (e.g., timing belt kit including tensioner).

Coolant Type:

G11 (Blue/Green) coolant or equivalent silicate-free antifreeze with water mixture (e.g., VW TL 774-C).

Brake Fluid Type:

DOT 4 brake fluid is typically specified.

Power Steering Fluid Type:

G 002 000 or equivalent hydraulic fluid, color often green.

Common Wear Items:

Suspension components (ball joints, control arm bushings), exhaust system, fuel pumps, ignition components (spark plugs, coil packs).

Specific Model Issues:

Potential for aging rubber hoses and seals in the cooling and fuel systems, wear on the shifter linkage bushings, and aging central locking actuators.

📚 Vehicle History

Audi Philosophy 1990S:

Known for quattro all-wheel drive, sophisticated engineering, and premium quality, building on its post-WWII resurgence.

B4 Generation Introduction:

The B4 generation of the Audi 80/90 was introduced in 1991, marking a significant styling and engineering update from the B3. It shared its platform with the Volkswagen Passat (B3/B4).

Production Period B4:

1991-1995.

Production Location:

Primarily Ingolstadt, Germany, and also other VW Group facilities.

🏆 Awards & Recognition

General Audi Reputation:

Audi in the early 1990s was recognized for its engineering prowess, refined interiors, and advanced (for the time) technologies, particularly its quattro system, though the 80 was typically front-wheel drive unless specified.