Vehicle Segment:
Executive/Mid-size Sedan and Coupe
Key Competitors:
BMW 5 Series, Mercedes-Benz W123/W124, Volvo 240/740, Saab 900
Aerodynamics:
Pioneering aerodynamic design for its era, contributing to fuel efficiency and stability.
Quattro AWD:
Availability of the iconic Audi quattro all-wheel-drive system, particularly in the 200 quattro models, offering enhanced traction and performance.
Build Quality:
Renowned for its solid build quality and robust German engineering.
Target Audience:
DIY mechanics, automotive enthusiasts, professional repair shops, owners seeking in-depth knowledge.
Engine Mechanical:
Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshaft, valve train, lubrication system, cooling system
Engine Management:
Fuel injection systems (CIS-E, KE-Jetronic), ignition systems, emissions control systems, engine control unit (ECU) diagnostics
Transmission:
Manual transmission (G-series) and automatic transmission (Hydraulic automatic transmission - HAT), clutch, drive shafts, differentials
Brakes:
Hydraulic system, front and rear brake systems (disc brakes, potentially rear drum brakes on some models), parking brake, ABS (on equipped models)
Suspension Steering:
Front and rear suspension components (struts, control arms, bushings), steering system (rack and pinion, power steering)
Electrical System:
Battery, charging system, starting system, lighting systems, instrumentation, power accessories, wiring diagrams, diagnostic procedures for electrical faults
Body Chassis:
Body construction, exterior panels, doors, windows, sunroof, interior trim, chassis components, collision repair basics
Heating Ventilation Ac:
HVAC system operation, components, and repair
Maintenance:
Routine service checks, oil changes, filter replacements, tune-ups, fluid level checks and top-offs
Diagnostics:
Troubleshooting guides for common problems, fault code interpretation (if applicable), diagnostic flowcharts
Repair:
Step-by-step instructions for disassembly, cleaning, inspection, repair, and reassembly of all major vehicle components and systems
Assembly Disassembly:
Detailed procedures for removing and installing parts and assemblies
Technical Specifications:
Torque specifications, clearances, tolerances, fluid capacities, electrical specifications
Diagrams Illustrations:
Exploded views, wiring diagrams, system schematics, repair illustrations
Depth Of Information:
Comprehensive, covering from basic maintenance to advanced engine and transmission rebuilds, electrical diagnostics, and body repair
Engine Options:
Inline-5 Cylinder (various displacements), potentially a V6 for some markets/later models within the C3 generation.
Engine Code Examples:
Examples: KV (2.2L 10v Turbo), MC (2.3L 10v NA), NG (2.3L 10v NA - European).
Horsepower Range:
Approximately 115 hp (naturally aspirated) to 180+ hp (turbocharged quattro models).
Torque Range:
Approximately 170 Nm (naturally aspirated) to 250+ Nm (turbocharged quattro models).
Fuel Delivery:
Fuel Injection: Bosch CIS-E (Continuous Injection System - Electronic) or KE-Jetronic (K-Jetronic with electronic control unit).
Turbocharger:
Available on 200 models and some 100 Turbo variants, typically Garrett units.
Timing Belt Replacement Interval:
Typically every 60,000 - 90,000 miles (96,000 - 145,000 km) or 5-7 years, check manual for specifics.
Standard Transmission Type:
5-speed Manual Transmission (e.g., Audi G-series).
Optional Transmission Type:
3-speed or 4-speed Automatic Transmission (Hydraulic automatic transmission - HAT).
All Wheel Drive:
Available on 'quattro' models, featuring a Torsen center differential (later C3 models) or a viscous coupling unit.
Manual Transmission Fluid:
API GL-4 or GL-5 gear oil, viscosity typically 75W-90 or 80W-90 (check specific Audi specifications).
Automatic Transmission Fluid:
Dexron II or equivalent (confirm with specific Audi fluid charts for the era).
Body Styles:
4-door Sedan, 5-door Avant (Wagon).
Wheelbase:
Approximately 2610 mm (102.8 inches).
Length:
Approximately 4700 mm (185.0 inches).
Width:
Approximately 1700 mm (66.9 inches).
Curb Weight:
Approximately 1300-1500 kg (2866-3307 lbs) depending on model and equipment.
Gross Vehicle Weight Rating:
Typically around 1900-2000 kg (4189-4409 lbs).
Crash Test Results:
No formal standardized crash test data readily available from the era (e.g., Euro NCAP did not exist). Vehicle designed to contemporary safety standards of the early 1980s.
Antilock Braking System:
Optional on many models, particularly the 200 quattro.
Seat Belts:
Standard front seat belts, often with inertia reels; rear seat belts were common.
Body Structure:
Reinforced body structure with integrated safety cage design for improved occupant protection.
Oil Change Interval:
Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, depending on driving conditions. Refer to manual for specific intervals and oil type.
Air Filter Replacement Interval:
Inspect every 10,000-15,000 miles (16,000-24,000 km), replace as needed or typically every 30,000 miles (48,000 km).
Engine Oil Specification:
API SG or SH, SAE viscosity 10W-40 or 15W-40 (check manual for specific recommendations based on climate).
Coolant Specification:
Ethylene glycol based antifreeze, mixed 50/50 with distilled water. Consult manual for specific Audi coolant approvals (e.g., G11 or equivalent).
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Fuel System Issues:
Clogged fuel injectors, issues with CIS fuel distributors or air flow meters, fuel pump failures.
Electrical System Issues:
Degradation of wiring insulation over time, failure of gauges, lighting issues, intermittent electrical faults.
Suspension Component Wear:
Wear in bushings, ball joints, and tie rod ends due to age and mileage.
Cooling System Leaks:
Cracked hoses, failing water pump seals, radiator leaks.
Audi History Context:
Audi's resurgence in the late 1970s and early 1980s, establishing a reputation for engineering excellence and innovation.
C3 Generation Launch:
Introduced in 1979 (as the Audi 200) and updated as the Audi 100 in 1982. This manual covers the 1983-1984 model years within the C3 generation.
Aerodynamic Design Impact:
The C3 generation's highly aerodynamic shape, with a drag coefficient (Cd) as low as 0.32, was a significant selling point and influenced future automotive design.
Manufacturing Locations:
Primary production in Ingolstadt, Germany.
