🏷️ Basic Information

Make:

Audi

Model:

100

Year:

1989

Market Segment:

Executive Car

Generation Code:

C3 (Type 44)

Generation Years:

1982-1991

👋 Introduction

Positioning 1989:

Audi's flagship model in the late 1980s, positioned as a premium executive sedan/wagon offering advanced technology and build quality, competing with BMW 5 Series and Mercedes-Benz E-Class.

Key Competitors:

BMW 5 Series (E34), Mercedes-Benz E-Class (W124), Volvo 700 Series, Saab 9000

Design Language:

Aerodynamic 'Pro-ject' design with smooth lines, integrated bumpers, and a distinctive grille.

Drivetrain Options:

Available in Front-Wheel Drive (FWD) and the groundbreaking Quattro All-Wheel Drive (AWD) system.

Engine Technology:

Advanced for its time, particularly the 5-cylinder turbocharged engine and the fuel-efficient 10-valve engines.

Safety Innovations:

Early adoption of galvanized steel unibody construction for corrosion resistance, and advanced braking systems.

📋 Manual Details

Main Coverage:

Full Factory Service Repair

Specific Regions Covered:

Global, with emphasis on models sold in North America and Europe

Estimated Page Count:

1500-2000+ (typical for comprehensive factory manuals of this era)

Manual Type:

Factory Service Manual (FSM) / Workshop Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine:

2.2L (KV - 5-cylinder, 20-valve, Turbocharged), 2.3L (NG - 5-cylinder, 20-valve), 2.5L (1B - 5-cylinder, 10-valve, Diesel - if applicable to specific market model)

Fuel System:

Fuel Injection (Bosch KE-Jetronic for NA models, possibly CIS-E/Motronic for European variants), Fuel Pump, Injectors, Fuel Lines, Fuel Tank

Ignition System:

Electronic Ignition, Spark Plugs, Ignition Coils, Distributor (if applicable), ECU control

Cooling System:

Radiator, Water Pump, Thermostat, Cooling Fan, Hoses, Coolant

Exhaust System:

Exhaust Manifold, Catalytic Converter, Muffler, Pipes, Sensors (e.g., Lambda/Oxygen Sensor)

Transmission Manual:

5-speed Manual Transmission (016 series), Clutch, Flywheel, Shift Linkage

Transmission Automatic:

4-speed Automatic Transmission (ZF 4HP22 or similar), Torque Converter, Valve Body, Gearbox Control Unit

Drivetrain:

Front-Wheel Drive (FWD), Quattro All-Wheel Drive (AWD) system (if applicable), Driveshafts, CV Joints, Differential

Suspension:

Front MacPherson Struts, Rear Torsion Beam or Independent Rear Suspension (IRS) depending on AWD, Control Arms, Bushings, Shock Absorbers, Springs

Steering:

Power Steering System, Steering Rack, Steering Column, Tie Rods

Brakes Front:

Ventilated Disc Brakes, Calipers, Pads, Rotors

Brakes Rear:

Disc Brakes, Calipers, Pads, Rotors (or Drum Brakes on some base models)

Parking Brake:

Mechanical parking brake system

Wheels Tires:

Wheel Bolt Patterns, Tire Sizes, TPMS (if applicable, though unlikely for 1989)

Electrical System:

Battery, Alternator, Starter Motor, Wiring Diagrams, Fuses, Relays

Lighting:

Headlights, Taillights, Turn Signals, Interior Lighting, Bulb Specifications

Instrument Panel:

Gauges, Warning Lights, Speedometer, Tachometer, Fuel Gauge, Temperature Gauge

Comfort Controls:

HVAC (Heating, Ventilation, Air Conditioning) System, Blower Motor, Heater Core, Evaporator, Controls

Body Interior:

Door Panels, Seats, Dashboard, Trim, Upholstery, Glass, Seals

Body Exterior:

Body Panels (Hood, Fenders, Doors, Trunk), Bumpers, Grille, Mirrors, Wipers, Locks

Chassis:

Frame, Body Structure, Rust Prevention

Maintenance:

Oil Changes, Filter Replacements, Spark Plug Checks, Fluid Level Checks and Top-ups, Belt Inspections

Repair:

Engine Component Replacement (e.g., Alternator, Starter, Water Pump), Transmission Repair, Brake System Overhaul, Suspension Component Replacement, Steering System Repairs

Disassembly Assembly:

Detailed step-by-step procedures for removing and reinstalling all major components and sub-assemblies

Troubleshooting:

Diagnostic procedures for identifying and resolving common and uncommon issues across all systems, often with flowcharts

Diagnostics:

Information on engine performance testing, electrical system checks, and component function analysis

Specifications Data:

Torque values, clearances, fluid types and capacities, electrical specifications, component dimensions

Wiring Diagrams:

Comprehensive electrical schematics for all vehicle circuits

Depth:

Complete rebuild procedures, advanced diagnostics, component-level repair, electrical system tracing

Target Audience:

Professional Technicians, Experienced DIY Enthusiasts

📊 Manual Specifications

File Format:

PDF

Searchability:

Text-searchable (if properly OCR'd)

Printability:

Printable

Image Resolution:

High resolution (typical for factory manuals, allowing clear viewing of diagrams and photos)

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code 1:

KV

Engine Description 1:

2.2L (2226 cc) 5-cylinder, 20-valve, DOHC, Turbocharged

Horsepower Kv:

165 PS (163 hp) @ 5500 rpm

Torque Kv:

245 Nm (181 lb-ft) @ 3000 rpm

Engine Code 2:

NG

Engine Description 2:

2.3L (2309 cc) 5-cylinder, 20-valve, SOHC

Horsepower Ng:

137 PS (135 hp) @ 5700 rpm

Torque Ng:

192 Nm (141 lb-ft) @ 3500 rpm

Engine Code 3:

1B (Diesel)

Engine Description 3:

2.5L (2461 cc) 5-cylinder, 10-valve, Naturally Aspirated Diesel

Horsepower 1B:

70 PS (69 hp) @ 4500 rpm

Torque 1B:

147 Nm (108 lb-ft) @ 2500 rpm

Fuel Injection Type Petrol:

Bosch KE-Jetronic (CIS-E) for KV and NG engines

Fuel Type:

Unleaded Petrol (95 RON recommended), Diesel

🔧 Transmission

Standard Transmission:

5-speed Manual Transmission (016 series)

Optional Transmission:

4-speed Automatic Transmission (ZF 4HP22 or similar)

AWD System:

Quattro All-Wheel Drive (available on select trims/engines)

📐 Dimensions

Length:

4750 mm (187.0 in)

Width:

1770 mm (69.7 in)

Height:

1420 mm (55.9 in) (Sedan)

Wheelbase:

2680 mm (105.5 in)

Curb Weight Range:

1300-1500 kg (approx. 2866-3307 lbs), depending on engine and drivetrain

🛡️ Safety Features

Safety Ratings Era:

Not standardized as today, but generally considered a safe vehicle for its era due to robust construction.

ABS:

Anti-lock Braking System (ABS) often standard on higher trims or optional

Airbags:

Driver-side airbag was optional and not universally fitted.

Body Construction:

Galvanized steel unibody construction for significant corrosion resistance.

Seatbelts:

Three-point seatbelts with pre-tensioners.

💡 Technology Features

Audio System:

Factory AM/FM Cassette stereo, often with multiple speakers. Optional CD player on later models.

Climate Control:

Manual climate control standard, with optional automatic climate control ('Climatronic') on higher trims.

Cruise Control:

Electronic cruise control typically standard or optional.

Exterior Mirrors:

Power-adjustable exterior mirrors were common.

🔧 Maintenance

Oil Change Interval:

Typically 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions.

Timing Belt Replacement:

Crucial for 5-cylinder engines. Recommended every 50,000-60,000 miles (80,000-100,000 km) or 5 years. Failure can cause catastrophic engine damage.

Spark Plug Replacement:

Every 30,000 miles (48,000 km) for standard plugs, or as specified for platinum/iridium plugs.

Engine Oil Type:

API SF/SG or higher. Viscosity typically 5W-40 or 10W-40 depending on climate. Refer to manual for exact specs.

Coolant Type:

Ethylene Glycol-based coolant. Audi G11 (blue) or equivalent is recommended. 50/50 mix with distilled water.

Transmission Fluid Manual:

GL-4 gear oil, SAE 75W-90 or 90.

Transmission Fluid Automatic:

Dexron III or equivalent ATF. Check dipstick for level when warm.

Brake Fluid Type:

DOT 3 or DOT 4

Ignition Control Module:

Failure of the ignition control module can lead to intermittent running or no-start conditions.

Fuel Injector Seals:

Leaking fuel injector seals (especially on KE-Jetronic systems) can cause fuel smell and driveability issues.

Suspension Bushings:

Wear in suspension bushings (control arm, sway bar) is common, leading to knocking noises and poor handling.

Window Regulators:

Manual or electric window regulator mechanisms can become stiff or break.

Climate Control Actuators:

Vacuum or electric actuators for HVAC blend doors can fail, resulting in incorrect air temperature or direction.

Oil Leaks:

Common oil leak points include valve cover gaskets, oil pan gaskets, and front/rear crankshaft seals.

Cooling Fan Resistor:

Failure of the blower motor resistor can lead to the fan only working on its highest setting.

📚 Vehicle History

Audi Legacy:

Audi's legacy is built on engineering, innovation (like Quattro), and a focus on quality and driver experience, often perceived as a premium alternative to mainstream brands.

C3 Generation:

The 1989 Audi 100 represents the latter half of the C3 (Type 44) generation, which was a significant departure from previous Audi designs, characterized by its aerodynamic styling and technological advancements like galvanized bodies and the widespread use of fuel injection.

Production Period C3:

1982-1991

Manufacturing Location:

Germany (primarily Ingolstadt)

🏆 Awards & Recognition

Design Awards:

The C3 generation's aerodynamic design received acclaim for its efficiency and modern styling.

Safety Recognition:

Galvanized body earned reputation for longevity and rust resistance.