This manual covers the Audi 100 and 200 models produced between 1989 and 1991. These vehicles, part of the third generation (Type 44), are recognized for their advanced aerodynamic styling and Audi's commitment to engineering quality. Available in sedan and avant (wagon) body styles, they featured either naturally aspirated 4-cylinder or turbocharged 5-cylinder engines, with many models equipped with the acclaimed quattro all-wheel-drive system. The design era was marked by a smooth, rounded aesthetic, setting a new standard for the brand's visual identity and aerodynamic efficiency. This comprehensive Factory Service and Repair Workshop Manual is designed to provide detailed guidance for owners, mechanics, and automotive enthusiasts. It covers all essential aspects of vehicle maintenance and repair, including in-depth procedures for engine systems, transmissions, drivetrain, suspension, steering, brakes, electrical systems, body, and HVAC. The manual includes routine maintenance schedules, step-by-step repair instructions, troubleshooting guides, diagnostic procedures, and detailed wiring diagrams. Its purpose is to empower users with the knowledge required to maintain their Audi 100 or 200 effectively, ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: Audi Model: 100 Model Variant: 200 Year: 1989-1991 👋 Introduction Market Position Target Audience: Audi owners, DIY mechanics, independent repair shops, automotive enthusiasts seeking in-depth knowledge. Competitive Analysis Value Proposition: Provides professional-level repair information at a fraction of the cost of dealership labor, enabling cost savings and empowering vehicle owners. Key Features Instructional Style: Step-by-step instructions with detailed visual aids (pictures and diagrams). Coverage Scope: Encompasses the entire vehicle, front to back, for all service and repair jobs. Accessibility: Instant download provides immediate access to repair information. Resource Quality: Factory-type quality, mirroring professional mechanic resources. 📋 Manual Details Coverage Areas Manual Type: Factory Service and Repair Workshop Manual Language: English Format: PDF Download Compatibility: PC & MAC Compatible 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical (including cylinder head, block, crankshaft, pistons, connecting rods), lubrication system, cooling system, fuel system (injection and carburetion where applicable), ignition system, emissions control systems, engine diagnostics, torque specifications, component testing. Transmission Systems: Manual and automatic transmission repair, clutch assembly, torque converter, transmission control units, gear ratios, fluid specifications, service procedures, troubleshooting. Drivetrain Systems: Front-wheel drive (FWD) and all-wheel drive (Quattro) systems, driveshafts, CV joints, differential service, wheel bearings, hub assemblies. Suspension Systems: Front and rear suspension components, shock absorbers, struts, coil springs, control arms, sway bars, bushings, alignment specifications, repair procedures. Steering Systems: Power steering system, steering rack, steering column, tie rod ends, steering knuckle, diagnostic and repair procedures. Brake Systems: Hydraulic brake system, disc brakes (front and rear), ABS (Anti-lock Braking System) components and diagnostics, brake fluid specifications, master cylinder, wheel cylinders, brake lines, parking brake. Electrical Systems: Wiring diagrams, fuses, relays, battery, charging system (alternator), starting system (starter motor), lighting system (headlights, taillights, interior lights), instrument cluster, diagnostic port, ECU (Engine Control Unit) functions. Body And Chassis: Body panel removal and installation, door mechanisms, glass replacement, interior trim, body repair, corrosion protection, frame specifications, underbody coatings. HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) system components, refrigerant, compressor, evaporator, condenser, climate control diagnostics and repair. Fuel And Exhaust Systems: Fuel tank, fuel pump, fuel lines, fuel injectors, exhaust manifolds, catalytic converter, mufflers, pipes, emissions control devices. Procedures Included Maintenance Procedures: Routine maintenance checks, oil and filter changes, coolant flushes, spark plug replacement, air filter replacement, brake fluid service, battery maintenance, tire rotation and pressure checks. Repair Procedures: Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly of all major vehicle systems. Troubleshooting Guides: Systematic diagnostic procedures for identifying and resolving common and uncommon vehicle faults, including symptom-based troubleshooting. Diagnostic Procedures: Detailed information on diagnostic tools, OBD-II (or equivalent for the era) scanning, sensor testing, circuit analysis, and error code interpretation. Wiring Diagrams: Comprehensive, high-quality wiring diagrams for all electrical systems, color-coded for ease of use. Exploded Diagrams: Detailed exploded views of components and assemblies, showing part relationships and order of assembly for clarity. Technical Depth Depth Of Information: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics and component-level repairs. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval. Print Quality Printability: Printable pages for on-demand access to specific procedures. Image Resolution: High-resolution images and diagrams for clarity. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 5-cylinder, turbocharged (for 200 models and higher-trim 100 models), naturally aspirated 4-cylinder (for base 100 models). Engine Displacement: 2.3L (2309cc) Naturally Aspirated, 2.2L (2226cc) Turbocharged (typically). Performance Horsepower: Approximately 130 hp (2.3L NA), 165-200 hp (2.2L Turbo, depending on variant and boost pressure). Torque: Approximately 137 lb-ft (2.3L NA), 191-220 lb-ft (2.2L Turbo, depending on variant). Fuel System Fuel Delivery: Bosch CIS-E (Continuous Injection System - Electronic) for naturally aspirated engines, Bosch...