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Audi

Audi 90 B3 1986-1991 Workshop Service Manual for Repair

Audi 90 B3 1986-1991 Workshop Service Manual for Repair

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$16.99
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Vehicle data plateRef 447706
Brand
Audi
Vehicle
Cars
Models covered
90, B3
Years
1986, 1987, 1988, 1989, 1990, 1991
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Audi
Model:
90 B3
Model Generation:
B3
Model Years:
1986, 1987, 1988, 1989, 1990, 1991
Codes
Chassis Code:
Type 89 (also referred to as B3)
👋 Introduction
Market Position
Segment:
Compact Executive Sedan/Coupe
Target Audience:
DIY enthusiasts, independent mechanics, Audi owners seeking in-depth repair knowledge
Competitive Analysis
Competitors:
BMW 3 Series (E30), Mercedes-Benz 190E (W201), Alfa Romeo 75
Key Features
Distinguishing Features:
Advanced Quattro all-wheel drive system (optional), refined interior, distinctive Audi styling
Manual Value Proposition:
Comprehensive, detailed, and accurate technical information for effective and safe vehicle maintenance and repair.
📋 Manual Details
Coverage Areas
Primary Coverage:
Complete repair and service for Audi 90 B3 models 1986-1991
Secondary Coverage:
Maintenance, diagnostics, adjustments, removal, installation, disassembly, assembly
Page Count
Total Pages:
2381
Manual Type
Type:
Workshop Service Manual
Purpose:
Repair and Maintenance
Language
Language:
English
Format
File Format:
PDF
Download Type:
Instant Download
📖 Manual Coverage
Systems Covered
Engine:
Detailed coverage of engine mechanicals, fuel system, ignition, cooling, lubrication, exhaust
Transmission:
Manual and automatic transmission service, repair, and overhaul
Drivetrain:
Front-wheel drive and quattro all-wheel drive system components, axles, differentials
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, wheel bearings
Steering:
Steering gear, power steering system, steering column
Brakes:
Brake system components (discs, pads, calipers, master cylinder, lines), ABS if equipped
Electrical:
Complete electrical system diagrams, wiring, lighting, ignition, starting, charging, accessories
Bodywork:
Body panels, doors, windows, locks, body sealing, exterior trim
Interior:
Interior trim, seats, dashboard, HVAC system, climate control
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, fault code information
Procedures Included
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs
Repair:
Comprehensive step-by-step repair procedures for all major vehicle components
Adjustments:
Detailed procedures for adjustments on engine, brakes, suspension, and electrical systems
Removal Installation:
Instructions for removing and installing all vehicle parts and systems
Disassembly Assembly:
In-depth guides for disassembling and reassembling components
Troubleshooting:
Systematic troubleshooting guides for common and uncommon issues
Technical Depth
Depth:
From basic maintenance to full engine rebuilds and complex diagnostics
Detail Level:
Bumper-to-bumper coverage with detailed explanations and pictorial diagrams
Special Tools:
References to specific Audi special service tools and their usage
Specifications:
Inclusion of factory specifications, torque values, wear limits, and tolerances
📊 Manual Specifications
File Format
Quality:
High-resolution PDF, allowing for zooming and clear viewing of diagrams
Searchable:
Likely searchable text within PDF, facilitating quick information retrieval
Print Quality
Printable:
Yes, all 2381 pages are printable
Binding Type
Binding:
N/A (Digital PDF)
Paper Type
Paper:
N/A (Digital PDF)
Compatibility
Operating Systems:
Windows, Mac, Linux OS
Requirements
Software:
Adobe Reader or compatible PDF viewer
⚙️ Engine Specifications
Primary Engine
Engine Options Common:
2.3L (2309cc) inline-5 (NG engine code) producing approximately 130-136 hp. Also 2.0L and 2.2L inline-5 variants were available in some markets.
Performance
Horsepower Range:
110 hp (2.0L) to 136 hp (2.3L)
Torque Range:
133 lb-ft (2.3L) to 140 lb-ft (2.3L)
Fuel System
Fuel Delivery:
Bosch K-Jetronic (CIS) or Bosch KE-Jetronic (CIS-E) mechanical fuel injection
Engine Construction
Cylinder Layout:
Inline-5
Valvetrain:
SOHC (Single Overhead Camshaft)
🔧 Transmission
Standard
Standard Transmission:
5-speed Manual
Optional
Optional Transmission:
4-speed Automatic (ZF 4HP22)
Features
Drivetrain Options:
Front-Wheel Drive (FWD) or quattro All-Wheel Drive (AWD)
📐 Dimensions
Exterior
Body Styles:
4-door Sedan, 2-door Coupe
Wheelbase:
Approx. 2610 mm (102.8 inches)
Weights
Curb Weight Range:
Approx. 1200-1350 kg (2645-2976 lbs)
🛡️ Safety Features
Ratings
Era Safety Standards:
Reflects safety standards of the late 1980s and early 1990s.
Active Features
ABS:
Anti-lock Braking System (ABS) was an available option on later models.
Passive Features
Seatbelts:
Three-point seatbelts, potentially with pre-tensioners.
💡 Technology Features
Infotainment
Audio System:
Factory-installed radio/cassette player with optional amplifier and speaker upgrades.
Driver Assistance
ABS Availability:
Optional ABS system, providing enhanced braking control.
Connectivity
Connectivity Features:
Basic for its era, focused on vehicle functions rather than external connectivity.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil used.
Timing Belt Replacement:
Crucial replacement interval, typically around 50,000-60,000 miles or 5 years for the 5-cylinder engines.
Fluid Specifications
Engine Oil Type:
API SG or higher, SAE 5W-30, 10W-40 or 15W-50 depending on climate. Manual specifies specific viscosity grades.
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors (e.g., G11).
Brake Fluid Type:
DOT 3 or DOT 4.
Transmission Fluid Manual:
API GL-4 or GL-5 SAE 75W-90 or 80W-90 gear oil.
Transmission Fluid Automatic:
Dexron III or equivalent ATF.
Known Issues
Common Problems:
Fuel distributor diaphragm leaks (K-Jetronic), coolant leaks (especially heater core), electrical connector corrosion, worn suspension bushings, exhaust manifold cracks (5-cylinder).
Maintenance Importance:
Adherence to maintenance schedules, particularly timing belt replacement, is critical for engine longevity.
📚 Vehicle History
Brand Heritage
Brand Focus:
Audi has a long history of engineering innovation, particularly in quattro all-wheel drive technology and advanced engine designs.
Model Evolution
Predecessor:
Audi 80/90 (B2)
Successor:
Audi A4 (B5) (effectively replaced the 80/90 lineage)
Production
Production Period:
1986-1991
Manufacturing Locations:
Ingolstadt, Germany
🏆 Awards & Recognition
Recognitions
Automotive Press:
The Audi 90 B3 was generally well-received for its build quality, comfort, and driving dynamics, especially with quattro.

Delivery & file format

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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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