This manual covers the 100 / 200, specifically the C2 (Type 43) generation from 1980. This model represented a commitment to advanced engineering and premium quality during an era when the brand was solidifying its reputation. Known for its comfortable ride, sophisticated design, and the introduction of front-wheel drive and the iconic quattro all-wheel drive system, the 100/200 offered a compelling blend of performance and luxury for its time. Whether equipped with efficient 4-cylinder or powerful 5-cylinder engines, and available in sedan or Avant body styles, these vehicles were designed for discerning drivers seeking a refined automotive experience. This comprehensive workshop and service manual provides detailed information essential for the maintenance, diagnosis, and repair of your 1980 100/200. It covers all major systems, including engine mechanical and electrical components, fuel and emission control systems, transmissions (manual and automatic), suspension, steering, brakes, and bodywork. With step-by-step repair procedures, troubleshooting guides, electrical wiring diagrams, and specific technical data, this manual is an invaluable resource for independent auto service professionals and dedicated owners alike, enabling them to effectively maintain and preserve their vehicle's performance and longevity. 🏷️ Basic Information Identification Make: Audi Model: 100 / 200 Year: 1980 Generation Generation Identifier: C2 (Type 43) Codes Chassis Code: Type 43 👋 Introduction Market Position Target Audience: Independent auto service professionals and discerning Audi 100/200 owners with mechanical aptitude. Competitive Analysis Information Source: Originally produced by the manufacturer for authorized dealer service departments, ensuring accuracy and completeness. Key Features Value Proposition: Enables owners to perform their own maintenance and repairs, significantly reducing labor costs and empowering informed decision-making with technicians. Usability: Written in clear, concise English with step-by-step instructions, diagrams, and illustrations for ease of use. Access: Digital PDF format ensures compatibility with PCs, Macs, and various mobile devices, offering convenient access. 📋 Manual Details Coverage Areas Manual Scope: Comprehensive Service, Repair, and Workshop Page Count Estimated Page Count: Refer to specific manual edition (typically 500+ pages) Manual Type Manual Classification: Workshop Manual / Service Manual Language Language Of Manual: English Format Digital Format: PDF (Downloadable) Download Speed Download Performance: Speed Download 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed coverage of all engine components, including disassembly, inspection, assembly, and torque specifications. Engine Electrical: Complete wiring diagrams, troubleshooting for ignition, starting, charging systems, and accessory controls. Emission Control: Information on emissions systems, diagnosis, and adjustments for compliance with regulations of the era. Fuel System: Diagnosis, repair, and adjustment of fuel injection (K-Jetronic, CIS) or carburetor systems, fuel pumps, and lines. Clutch System: Procedures for clutch inspection, adjustment, replacement, and hydraulic system service. Manual Transaxle: Detailed repair and overhaul instructions for manual gearboxes, including component replacement and lubrication. Automatic Transaxle: Service and repair procedures for automatic transmissions, including fluid changes, adjustments, and overhaul. Driveshaft Axle: Inspection, maintenance, and repair of driveshafts, CV joints, and associated components. Suspension System: Maintenance and repair of front and rear suspension components, alignment specifications, and troubleshooting. Steering System: Diagnosis and repair of power steering systems, steering rack, tie rods, and steering column. Brake System: Detailed information on brake components, hydraulic systems, disc and drum brake service, and ABS (if equipped). Body Interior Exterior: Procedures for body panel repair, trim replacement, door and window mechanisms, and interior component servicing. Body Electrical: Wiring diagrams and troubleshooting for lighting, power windows, central locking, and other body electrical functions. HVAC System: Service and repair for heating, ventilation, and air conditioning systems, including refrigerant handling. Restraint System: Information on seat belts and passive restraint systems of the era. Procedures Included Diagnostic Procedures: Step-by-step troubleshooting guides for common and complex issues across all vehicle systems. Maintenance Procedures: Scheduled maintenance tasks, fluid checks, filter replacements, and tune-up procedures. Repair Procedures: Detailed instructions for component removal, disassembly, inspection, repair, reassembly, and installation. Overhaul Procedures: Complete overhaul instructions for major components such as engines, transmissions, and differentials. Calibration Adjustments: Procedures for setting ignition timing, fuel mixture, idle speed, and other critical adjustments. Wiring Diagrams: High-quality, integrated wiring schematics for all electrical systems. Technical Depth Diagnostic Capability: Advanced diagnostic techniques and troubleshooting flows for technicians and skilled DIYers. Rebuild Capability: Full rebuild specifications and procedures for major mechanical components. Specificity: Vehicle-specific, not generic; includes exact specifications and procedures for the Audi 100/200 of the 1980 model year. Diagram Quality: Includes diagrams, illustrations, and schematics essential for understanding complex procedures. 📊 Manual Specifications File Format Document Type: PDF Compatibility: All Versions of Windows AND Mac Viewing Requirements: Adobe PDF Reader Print Quality Printability: Yes, all pages are printable. Binding Type Digital Binding: N/A (Downloadable digital file) Paper Type Digital Media: N/A (Digital format for screen viewing or printing) ⚙️ Engine Specifications Primary Engine Engine Variants Covered: Likely includes 4-cylinder (e.g., 1.6L, 1.8L, 2.0L) and 5-cylinder (e.g., 2.1L, 2.2L) petrol engines. Performance Power Output Range: Approximately 75-130 hp depending on engine displacement and...