Market Position:
The Audi 100 (Type 44) was a luxury executive sedan known for its aerodynamic design, advanced engineering for its time, and comfortable ride, competing with established luxury marques in Europe and North America.
Key Competitors:
BMW 5 Series, Mercedes-Benz E-Class, Volvo 240/740 Series, Saab 9000.
Vehicle Key Features Era:
Aerodynamic 'biodesign' styling, front-wheel drive or optional quattro all-wheel drive, sophisticated independent suspension, advanced engine technology (e.g., 5-cylinder engines, early fuel injection).
Manual Value:
Provides essential technical information for maintaining and repairing the Audi 100, enabling owners to perform tasks themselves or better understand professional service. Crucial for preserving the longevity and value of a classic vehicle.
Manual Coverage Scope:
Comprehensive Service, Repair, and Maintenance
Estimated Page Count:
Varies by specific edition, typically 500-800 pages for a full workshop manual.
Manual Type:
Workshop Service and Repair Manual
Format:
PDF (Digital Download)
Digital Rights:
Instant download, no additional software required.
Engine Systems:
Engine mechanicals, fuel injection systems (KE-Jetronic, CIS-E), ignition systems, cooling systems, lubrication systems, emissions control.
Transmission Systems:
Manual transmissions (5-speed), Automatic transmissions (4-speed, e.g., ZF 4HP22), clutch system, drivetrain components.
Suspension Steering:
Front and rear suspension, steering gear, power steering system, wheel alignment.
Braking Systems:
Hydraulic brake system, Anti-lock Braking System (ABS) (if equipped), brake pads, rotors, calipers, master cylinder, fluid specifications.
Electrical Systems:
Wiring diagrams, charging system (alternator, battery), starting system (starter motor), lighting, instruments, warning lights, fuse box, relays, electronic control units (ECUs).
Body Chassis:
Body shell, doors, windows, sunroof (if equipped), bumpers, interior trim, chassis components, corrosion prevention.
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements (oil, air, fuel), spark plug replacement, coolant flushes, brake fluid changes, belt inspections and replacement.
Repair Procedures:
Engine overhauls, transmission rebuilds, brake caliper replacement, suspension component renewal, electrical diagnosis and repair, body panel repair.
Troubleshooting Diagnostics:
Step-by-step diagnostic charts for common problems, fault code interpretation (if applicable), electrical troubleshooting flowcharts.
Technical Specifications Data:
Torque specifications for fasteners, engine clearances, valve adjustments, fluid capacities, timing belt/chain specifications.
Bodywork Procedures:
Body panel alignment, door adjustment, rust repair guidance, seal replacement.
Technical Depth:
In-depth coverage suitable for professional mechanics and experienced DIY enthusiasts, covering everything from basic maintenance to complete engine and transmission overhauls.
Diagnostic Tools:
Guidance on using basic hand tools and specialized Audi diagnostic tools of the era, though specific tool names may not be listed in every PDF.
Engine Options 1985:
Range includes 4-cylinder and 5-cylinder inline engines. Specific to 1985 models, commonly found: 2.2L (136 PS/100 kW), 2.3L (137 PS/101 kW), 2.0L (115 PS/85 kW).
Typical Horsepower Range:
85 kW (115 PS) to 100 kW (136 PS) for common variants.
Typical Torque Range:
170 Nm to 200 Nm (approx.)
Fuel Delivery System:
Bosch CIS (Continuous Injection System) and later KE-Jetronic (CIS-E) electronic fuel injection. Carbureted variants may also exist for some markets.
Common Engine Codes:
e.g., KV (2.2L 5-cylinder, 137 PS), RT (2.0L 4-cylinder, 115 PS).
Engine Layout:
Inline (4-cylinder and 5-cylinder configurations)
Bore Stroke:
Varies by engine. E.g., 2.2L 5-cylinder (KV): 86.5 mm x 95.0 mm
Compression Ratio:
Typically 9.0:1 to 10.5:1, depending on engine variant.
Standard Transmission Type:
5-speed manual transmission
Optional Transmission Type:
4-speed automatic transmission (e.g., ZF 4HP22)
Drivetrain Options:
Front-wheel drive (FWD) standard, optional quattro permanent all-wheel drive.
Clutch Type:
Hydraulically operated single dry plate clutch (for manual transmissions).
Infotainment System Era:
Basic for its time. Typically AM/FM radio with cassette player, optional premium sound systems.
Driver Assistance Features:
Optional ABS. Cruise control was available on many models.
Connectivity Features:
None by modern standards. Analog systems.
Engine Management System:
Analog/mechanical fuel injection (CIS) and early digital engine control units (ECUs) for CIS-E systems, managing fuel and ignition timing.
Oil Change Interval:
Typically every 7,500-10,000 miles or 12 months, whichever comes first, depending on driving conditions.
Timing Belt Replacement:
Crucial for 4-cylinder engines. Typically every 60,000-90,000 miles or 5-7 years. Consult manual for specific engine.
Engine Oil Type:
API SG or SH, SAE 5W-30, 10W-40, or 15W-40 depending on climate. Refer to manual for precise specification.
Coolant Type:
Ethylene glycol-based antifreeze. Audi G11 or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4.
Transmission Fluid Manual:
GL-4 SAE 75W-90 or 80W-90 gear oil.
Transmission Fluid Automatic:
Dexron II or equivalent. Refer to manual for exact type.
Common Issues Engine:
Oil leaks from valve cover gaskets and front crankshaft seals, timing belt failure (critical), fuel distributor issues (CIS), idle speed control problems.
Common Issues Electrical:
Corroded grounds, faulty door lock actuators, intermittent electrical issues due to aging wiring harnesses and connectors, instrument cluster failures.
Common Issues Suspension:
Worn ball joints, control arm bushings, shock absorbers, and steering rack leaks.
Common Issues Body:
Rust in wheel wells, rocker panels, door bottoms, and around the windshield/rear window seals. Deterioration of rubber seals.
Brand Heritage:
Audi has a long history of engineering innovation, dating back to the early 20th century. Known for its advanced technology, especially in quattro all-wheel drive systems and pioneering aerodynamics.
Model Evolution Type 44:
The Type 44 generation represented a significant departure from previous Audi 100 models, featuring a highly aerodynamic, wind-tunnel-developed design that influenced automotive styling for years. It also introduced the quattro AWD system to the Audi lineup.
Production Period:
1982-1991 (Type 44 generation)
Manufacturing Locations:
Germany (Ingolstadt)
Notable Recognitions:
The Audi 100 (Type 44) was widely praised for its aerodynamic design and was often cited as a benchmark for fuel efficiency and low drag coefficients in its class during the 1980s.
Automotive Press Reviews:
Generally received positive reviews for its comfort, handling, and build quality, though some early models had reliability concerns, particularly with the electronic fuel injection systems.
