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Audi

Audi 100 1990 Factory Service Repair Manual

Audi 100 1990 Factory Service Repair Manual

$16.99
$16.99
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Vehicle data plateRef 54284
Brand
Audi
Vehicle
Cars
Models covered
100, Turbo
Years
1990
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

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  • Not sure it covers your model year? Ask us before you buy
The 1990 Audi 100, part of the C3 generation, represents a significant era in German automotive engineering, renowned for its sophisticated design and robust construction. As an executive sedan and wagon, it competed with established luxury brands, offering a comfortable ride, advanced features for its time, and a distinct aerodynamic "tear drop" design. A key differentiator was the availability of the groundbreaking quattro all-wheel-drive system, underscoring Audi's commitment to performance and all-weather capability. This model exemplifies German engineering quality, focusing on durability and a refined driving experience for discerning owners. This comprehensive Factory Service Manual (FSM) is your authoritative guide to the service and repair of the 1990 Audi 100. With over 1500 pages of detailed information, it covers all major systems, including engine variants, manual and automatic transmissions, front-wheel and quattro drivetrains, suspension, brakes, steering, electrical systems, and climate control. The manual provides essential procedures for scheduled maintenance, diagnostics, component repair, and major component rebuilds, along with critical technical specifications like torque values and fluid capacities. It is an indispensable resource for owners, mechanics, and technicians aiming to maintain the optimal performance and longevity of their Audi 100.
🏷️ Basic Information
Identification
Make:
Audi
Model:
100
Year:
1990
Generation
Code:
C3
👋 Introduction
Market Position
Segment:
Executive Sedan/Wagon
Competitive Analysis
Competitors:
BMW 5 Series, Mercedes-Benz E-Class, Volvo 740/940
Key Features
Design:
Aerodynamic 'Tear Drop' Design, Audi Space Frame (ASF) precursor elements
Drivetrain:
Available quattro AWD system was a significant differentiator
Engineering:
German engineering, focus on build quality and comfort
📋 Manual Details
Coverage Areas
Primary Focus:
Service and Repair
Page Count
Estimated Pages:
1500+
Manual Type
Type:
Factory Service Manual (FSM)
Language
Language:
English
Format
Format:
PDF Download
📖 Manual Coverage
Systems Covered
Engine:
All Engine Variants (e.g., 2.3L 5-cylinder)
Transmission:
Manual and Automatic Transmissions
Drivetrain:
Front-Wheel Drive (FWD) and quattro All-Wheel Drive (AWD)
Suspension:
Front and Rear Suspension Systems
Brakes:
Brake System Components and Service
Steering:
Power Steering System
Electrical:
Complete Electrical Schematics and Component Testing
Body And Chassis:
Bodywork, Doors, Windows, and Chassis
Climate Control:
Heating, Ventilation, and Air Conditioning (HVAC)
Fuel System:
Fuel Injection System (CIS-E, KE-Jetronic)
Exhaust System:
Exhaust System Components and Repair
Procedures Included
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnostics
Repair:
Component Removal, Disassembly, Assembly, and Installation
Rebuilds:
Engine, Transmission, and Major Component Rebuild Procedures
Adjustments:
Alignment, Valve Clearances, Fuel System Adjustments
Specifications:
Torque Specifications, Clearances, Fluid Capacities
Technical Depth
Depth:
Comprehensive (from basic maintenance to complete engine rebuilds)
📊 Manual Specifications
File Format
Searchability:
Likely Searchable Text (depending on PDF conversion quality)
Print Quality
Readability:
High (designed for clarity and detail)
Binding Type
Binding:
N/A (Digital PDF)
Paper Type
Paper:
N/A (Digital PDF)
⚙️ Engine Specifications
Primary Engine
Engine Code:
JN, NF, KU, AAN (example variants)
Configuration:
Inline 5-Cylinder (typically)
Displacement:
2.3 Liters (2309 cc)
Performance
Horsepower:
Approx. 130-140 hp (naturally aspirated), 165 hp (turbocharged 20v in later models/S4)
Torque:
Approx. 137-150 lb-ft
Fuel System
Injection Type:
Bosch CIS-E (Continuous Injection System - Electronic) or KE-Jetronic
Fuel Type:
Unleaded Gasoline
Ignition System
System:
Electronic Ignition
🔧 Transmission
Standard
Type:
5-Speed Manual
Optional
Type:
4-Speed Automatic (ZF 4HP22)
Features
Drivetrain Options:
FWD or quattro AWD
📐 Dimensions
Exterior
Body Styles:
4-door Sedan, 5-door Avant (Wagon)
Weights
Curb Weight:
Approx. 3,000-3,400 lbs (depending on configuration)
🛡️ Safety Features
Ratings
Crash Testing:
NHTSA (US) and Euro NCAP (Europe) data may vary by model year and region
Active Features
ABS:
Available Anti-lock Braking System (ABS)
Passive Features
Airbags:
Driver Airbag (standard on most later models)
Seatbelts:
Front and Rear Seatbelts
💡 Technology Features
Infotainment
Audio System:
Factory AM/FM Cassette Stereo System, often with premium options available.
Driver Assistance
ABS:
ABS availability as mentioned in safety.
Connectivity
Features:
Basic for its era; focus was on mechanical engineering and comfort, not extensive electronic connectivity.
🔧 Maintenance
Service Intervals
Oil Change:
Typically every 5,000-7,500 miles or 6-12 months, consult manual for exact specification.
Timing Belt:
Crucial replacement interval, often around 60,000 miles or 5 years. **Extremely important for 5-cylinder engines.**
Fluid Specifications
Engine Oil:
Typically 5W-40 or 10W-40 synthetic, refer to manual for specific viscosity and API rating.
Coolant:
G11 (Blue) or G12 (Red) Antifreeze/Coolant (check manual for correct type).
Transmission Fluid Auto:
Dexron III or equivalent automatic transmission fluid.
Brake Fluid:
DOT 3 or DOT 4 Brake Fluid.
Known Issues
Electrical System:
Degradation of wiring insulation, failing dashboard components (e.g., VDO gauges), door lock actuators.
Fuel System:
CIS-E issues, failing fuel accumulators or pressure regulators, injector seal leaks.
Engine:
Timing belt failure (catastrophic), coolant leaks from plastic components, valve cover gasket leaks.
Suspension:
Worn ball joints, control arm bushings, and strut mounts.
📚 Vehicle History
Brand Heritage
Heritage:
Audi, known for its pioneering spirit in quattro AWD and engineering.
Model Evolution
Generation:
The 1990 model year falls within the C3 generation (1982-1994).
Production
Manufacturing Location:
Germany
🏆 Awards & Recognition
Recognitions
General Reputation:
Praised for its build quality, comfortable ride, and advanced quattro system for its time.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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