🏷️ Basic Information Identification Make: Audi Model: 90 B3 Model Generation: B3 Production Years Covered: 1986, 1987, 1988, 1989, 1990, 1991 👋 Introduction Market Position Target Audience: Do-it-yourselfer and experienced mechanic Value Proposition: Inexpensive way to keep vehicle working properly Competitive Analysis Advantage Over Physical Manuals: No shipping costs, instant access, cost-effective alternative to paper textbooks or CD-ROMs Key Features Completeness: COMPLETE official full factory service repair manual, ALL STYLES COVERED Searchability: Numbered table of contents for fast information retrieval 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service Repair Page Count Estimated Page Count: Hundreds of Pages Manual Type Type: Factory Service Repair Manual Language Language: English Format File Format: PDF (Download) 📖 Manual Coverage Systems Covered Engine Service: Included Transmission Service: Included Brake System: Included Electrical System: Included Wiring Diagrams: Included Suspension System: Included Steering System: Included Cooling System: Included Fuel Injection System: Included Fuel System: Included Emission System: Included HVAC System: Included Engine Control System: Included Chassis And Body: Included Restraint System: Included Interior Systems: Included Differential And Drive Systems: Included Axle Systems: Included General Maintenance: Included Troubleshooting: Included Periodic Lubrication: Included Chassis Components: Chassis/Body section implies coverage of frame, subframes, body panels, and their repair. Procedures Included Repair Procedures: Step-by-step instructions based on complete disassembly Diagnostic Procedures: Detailed troubleshooting and electrical service procedures Engine Rebuild: Implied coverage of engine service/repair with 'complete disassembly' indicates procedures for engine rebuilds. Body Repair: Implied in Chassis/Body coverage, potentially including panel alignment, rust repair, and trim removal. Technical Depth Depth: Comprehensive official full factory service and repair information Illustrations: Hundreds of photos and illustrations, enlarged inset views Guidance Style: Numbered instructions, bold figure numbers, detailed substeps Critical Information: Notes, cautions, and warnings throughout each chapter Diagnostic Tools: The manual's detailed troubleshooting and electrical sections suggest guidance on using basic diagnostic tools and interpreting electrical system behavior. Electrical Diagnostics: Combined troubleshooting and detailed wiring diagrams facilitate in-depth electrical system diagnostics. 📊 Manual Specifications File Format Readability: Adobe PDF Reader compatible Compatibility: Works under all PC-based Windows operating systems and Mac Print Quality Printability: Printable in its entirety or individual pages without restriction Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Delivery Method: Instant Download Link (Post-Payment) Storage Storage Options: Can be saved to your hard-drive or burned to CD-ROM. ⚙️ Engine Specifications Primary Engine Engine Types Covered: Multiple engine variants of the Audi 90 B3 (details not explicitly provided in product info but implied by 'ALL STYLES COVERED') Performance Performance Data: Manual will contain specifications for horsepower, torque, and other performance metrics for various engine options. Fuel System Fuel System Coverage: Fuel Injection and Fuel System service and repair are explicitly covered. Engine Variants Engine Displacements: Typically included 2.0L and 2.3L inline-5 cylinder engines for the 90 model. Manual will detail specific bore, stroke, and displacement for each. 🔧 Transmission Standard Standard Transmission Type: Manual transmission details will be covered (specific types like 5-speed manual are common for this era). Optional Optional Transmission Type: Automatic transmission details will be covered (specific types like 4-speed automatic are common for this era). Features Transmission Coverage: Transmission Service / Repair is a key section, implying coverage of internal components, fluid changes, clutch, and related systems. Drive Type Quattro AWD: The manual will cover both Front-Wheel Drive (FWD) and Quattro All-Wheel Drive (AWD) variants, including their respective transmission and differential systems. 📐 Dimensions Exterior Body Styles: The B3 platform was primarily offered as a sedan (4-door) and coupe (2-door). The manual covers 'ALL STYLES'. 🛡️ Safety Features Ratings Safety Features: Restraint System coverage indicates information on airbags (if equipped by year/trim), seatbelts, and related safety components. Active Features Active Safety Systems: Brake system coverage will detail ABS (if equipped), hydraulic systems, and service procedures for these components. Passive Features Passive Safety Features: Chassis/Body and Interior sections will provide details on structural integrity and interior safety components. 💡 Technology Features Infotainment Infotainment Systems: While specific infotainment details for the 1986-1991 era might be basic by modern standards, the manual will cover the operation and maintenance of the car's original radio, speakers, and climate control systems. Driver Assistance Driver Assistance Features: The manual covers the electrical system and diagnosis, which would include the function and troubleshooting of any driver assistance systems available at the time, such as ABS. Connectivity Connectivity Features: Connectivity in this era was limited. The manual would cover the vehicle's wiring for any factory-installed communication or alarm systems. 🔧 Maintenance Service Intervals Maintenance Schedules: The manual will provide detailed recommendations for general maintenance and periodic lubrication, including typical intervals for oil changes, filter replacements, and other routine services. Fluid Specifications Fluid Types: The manual will specify required fluids for engine oil, transmission fluid, brake fluid, coolant, power steering fluid, and differential oil, along with their correct specifications...