🏷️ Basic Information

Make:

Audi

Model:

100 / 200

Year:

1991

Generation Code:

C3 (Typ 445)

Chassis Code:

Typ 445

👋 Introduction

Target Audience:

Professional automotive technicians and experienced DIY mechanics with a foundational understanding of vehicle systems.

Manual Type Comparison:

Similar to factory service manuals, offering more detail than owner's manuals and covering a broader scope than generic repair guides.

Instant Download:

Available for instant download, allowing immediate access to repair information.

Step By Step Guidance:

Provides step-by-step instructions for repairs and maintenance, simplifying complex procedures.

Factory Level Data:

Contains data typically found in official factory service manuals, offering high accuracy and detail.

📋 Manual Details

Model Variants Covered:

Audi 100 (sedan, avant), Audi 200 (sedan, avant)

Estimated Page Count:

Varies by specific factory publication, but comprehensive for its era. Typically 1000+ pages for a full factory service manual.

Type:

Repair Service Manual / Workshop Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine Mechanical:

All engine types, including disassembly, assembly, inspection, and repair of major components (block, heads, pistons, crankshaft, camshafts, valvetrain).

Engine Fuel System:

Fuel injection systems (Bosch KE-Jetronic/CIS-E variants), fuel pumps, injectors, fuel lines, pressure regulators.

Engine Ignition System:

Ignition timing, coil packs, distributor (if applicable), spark plugs, electronic ignition control.

Engine Cooling System:

Radiator, thermostat, water pump, hoses, coolant flow, fan operation.

Engine Lubrication System:

Oil pump, oil filter, oil galleries, oil pressure testing, oil specifications.

Transmission Manual:

Manual gearbox disassembly, assembly, clutch operation, torque specifications.

Transmission Automatic:

Automatic transmission (e.g., ZF 4HPxx series) operation, hydraulic systems, torque converter, troubleshooting, fluid specifications.

Drivetrain:

Front-wheel drive (FWD) and Quattro all-wheel drive (AWD) systems, differential components, driveshafts, CV joints.

Suspension Front:

MacPherson struts, control arms, ball joints, bushings, anti-roll bar, alignment specifications.

Suspension Rear:

Independent rear suspension (e.g., semi-trailing arm or multi-link depending on specific sub-model), shock absorbers, springs, bushings, alignment.

Brakes Front:

Disc brake systems, caliper overhaul, pad replacement, rotor specifications, fluid types.

Brakes Rear:

Disc brake systems (or drum on some variants), caliper/drum overhaul, pad/shoe replacement, rotor/drum specifications.

Steering:

Power steering system, steering rack, tie rods, hydraulic pump, fluid types, troubleshooting.

Electrical System:

Battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting circuits.

Engine Control Unit:

ECU diagnostics, sensor testing (e.g., MAP, TPS, O2), actuator testing.

Climate Control:

HVAC system operation, blower motor, heater core, A/C system (refrigerant handling, compressor, condenser, evaporator), climate control panel.

Body And Interior:

Door mechanisms, window regulators, seat adjustments, trim panel removal and installation.

Exhaust System:

Exhaust manifold, catalytic converter, muffler, pipe routing, emission control components.

Wheels And Tires:

Tire pressure recommendations, wheel torque specifications, tire sizes.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/adjustment.

Troubleshooting:

Diagnostic flowcharts for common drivability, starting, electrical, and mechanical issues.

Disassembly And Assembly:

Detailed step-by-step instructions for removing and reinstalling major components and sub-assemblies.

Repair And Rebuild:

Comprehensive instructions for repairing or rebuilding various vehicle systems and components.

Diagnostic Testing:

Procedures for testing sensors, actuators, and electrical circuits using multimeters, oscilloscopes, and specialized diagnostic tools.

Component Replacement:

Instructions for replacing wear items and faulty components such as brake pads, spark plugs, belts, hoses, and more.

Specifications And Torques:

Critical torque values for fasteners, engine bearing clearances, cylinder head bolt tightening sequences, etc.

Depth Of Coverage:

Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Covers from basic maintenance to complete engine and transmission overhauls.

📊 Manual Specifications

Digital Format:

PDF

Printability:

Full Printable

Zoom Functionality:

YES (Zoom IN/OUT capability)

Digital Binding:

N/A (Digital Download)

Digital Medium:

N/A (Digital Download)

Reader Software:

Adobe PDF Reader

Extraction Software:

WinZip or similar archiving software

Operating Systems:

All Versions of Windows & Mac

⚙️ Engine Specifications

Engine Families:

Audi 100: 2.0L (e.g., Audi EA827 variants), 2.3L inline-five (e.g., NG, NF, KU). Audi 200: 2.2L turbocharged inline-five (e.g., KG, MC, 3B).

Horsepower Range:

Approximately 115 hp (2.0L) to 165 hp (2.2L Turbo) and 136 hp (2.3L) depending on engine and market.

Torque Range:

Approximately 170 Nm (2.0L) to 230 Nm (2.2L Turbo) and 186 Nm (2.3L) depending on engine.

Fuel Delivery:

Bosch K-Jetronic (CIS) and CIS-E (Electronic) Fuel Injection, with some later models potentially having advanced variations.

Configuration:

Inline-five cylinder (I5), naturally aspirated and turbocharged.

🔧 Transmission

Manual Transmission:

5-speed manual transaxle

Automatic Transmission:

3-speed or 4-speed automatic transaxle (e.g., ZF 4HP22 for Quattro models)

Drivetrain Options:

Front-Wheel Drive (FWD) and Audi's signature Quattro All-Wheel Drive (AWD).

📐 Dimensions

Body Styles:

4-door Sedan, 5-door Avant (Wagon)

Curb Weight Range:

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

🛡️ Safety Features

Crash Test Data:

Limited official crash test data readily available for this specific year and model in common databases. Modern standards may not be directly comparable.

Braking System:

Front ventilated discs, rear discs. Anti-lock Braking System (ABS) was often optional or standard on higher trims/models like the 200.

Restraint Systems:

Seat belts (3-point in front, often lap belts in rear depending on market), optional driver airbag on later models.

💡 Technology Features

Audio System:

Factory-installed radio/cassette player, often with upgraded speaker systems. Limited digital integration typical for the era.

Cruise Control:

Optional feature on many models.

Phone Integration:

Not applicable for the era; no integrated Bluetooth or smartphone connectivity.

🔧 Maintenance

Oil Change Interval:

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

Engine Oil Type:

API SG or SH, viscosity dependent on climate (e.g., 5W-40, 10W-40, 15W-50).

Coolant Type:

Ethylene glycol based coolant, typically G11 (blue) or equivalent. Check manual for specific concentration.

Brake Fluid Type:

DOT 3 or DOT 4, depending on system design. Always refer to the manual for the correct specification.

Power Steering Fluid:

Typically ATF Dexron II or a specific hydraulic fluid; consult manual for exact type.

Common Problems:

Igniter module failure, fuel distributor issues (K-Jetronic), coolant flange leaks, door lock actuators, suspension bushing wear, early ABS sensor failures.

Timing Belt Replacement:

Critical maintenance item for 5-cylinder engines. Typically every 50,000-60,000 miles (80,000-100,000 km). Failure can cause catastrophic engine damage.

📚 Vehicle History

Audi Legacy:

Audi's reputation for engineering, quattro AWD technology, and refined interiors.

C3 Generation Overview:

The C3 generation (1982-1991) was a significant step forward for Audi, introducing aerodynamic design, the Procon-Ten safety system (pre-tensioning seatbelts and self-adjusting steering column), and the widespread adoption of quattro AWD.

Manufacturing Location:

Germany (primarily Ingolstadt and Neckarsulm)