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Basic Information Identification Make: Audi Model: 100 Year: 1990 Codes Chassis Code: C3-44 Introduction Market Position Segment: Executive Mid-size Sedan/Wagon Positioning: Luxury, performance, and advanced technology for its era Competitive...

Taper: Car

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UGS: 81768

Mots clés: Audi Car Manual Repair Guide

Variantes de produits

Description

Basic Information
Identification
Make:	Audi
Model:	100
Year:	1990
Codes
Chassis Code:	C3-44

Introduction
Market Position
Segment:	Executive Mid-size Sedan/Wagon
Positioning:	Luxury, performance, and advanced technology for its era
Competitive Analysis
Competitors:	BMW 5 Series, Mercedes-Benz E-Class, Volvo 240/700 Series, Saab 9000
Key Features
Design:	Aerodynamic styling, distinctive Audi grille, Quattro AWD option
Engineering:	Front-wheel drive as standard, sophisticated independent suspension, focus on driver control
Manual Value Proposition
Value:	Provides factory-level diagnostic and repair data, enabling accurate and efficient maintenance, crucial for preserving the vehicle's sophisticated systems.

Manual Details
Coverage Areas
Models Covered:	All Audi 100 (C3-44) models
Repair Scope:	A-Z (All repairs)
Page Count
Estimated Page Count:	Extensive (Specific count not provided, but typical for full factory service manuals)
Manual Type
Type:	Factory Service and Repair Manual
Language
Language:	English
Format
Format:	PDF Download

Manual Coverage
Systems Covered
Engine:	All engine types, diagnostics, repair, overhaul
Transmission:	Manual and Automatic transmission service, repair, overhaul
Drivetrain:	Front-wheel drive (FWD) and Quattro all-wheel drive (AWD) systems, differentials, drive shafts
Suspension:	Front and rear suspension components, geometry, repair
Steering:	Power steering system, steering rack, column
Brakes:	Hydraulic system, ABS (if equipped), discs, pads, lines, master cylinder, caliper overhaul
Electrical:	Complete wiring diagrams, diagnostics, ECU, sensors, actuators, lighting, charging system, starting system
Fuel System:	Fuel injection systems (K-Jetronic, KE-Jetronic), fuel pump, injectors, fuel pressure regulator
Cooling System:	Radiator, water pump, thermostat, hoses, fan operation
Exhaust System:	Exhaust manifold, catalytic converter, mufflers, piping
Climate Control:	Heating, ventilation, and air conditioning (HVAC) system components and service
Bodywork:	Body panel removal/installation, alignment, rust repair guidance
Interior:	Seat removal, dashboard components, trim panels
Procedures Included
Maintenance:	Scheduled maintenance intervals, fluid changes, filter replacements, tune-ups
Troubleshooting:	Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides
Repair:	Detailed step-by-step repair instructions for all major and minor components
Overhaul:	Complete engine and transmission overhaul procedures, including component specifications
Diagnostics:	Specific diagnostic codes (where applicable), measurement values, signal tracing
Specifications:	Torque values, clearances, fluid capacities, electrical specifications
Technical Depth
Depth:	Comprehensive (Factory-level detail, suitable for professional technicians and advanced DIYers)

Manual Specifications
File Format
File Type:	PDF
Searchability:	Likely text-searchable (if scanned professionally)
Print Quality
Quality:	High (Typical for factory manuals, includes diagrams and illustrations)
Binding Type
Binding:	N/A (Digital download)
Paper Type
Paper:	N/A (Digital download)

Engine Specifications
Primary Engine
Engine Code Variants:	e.g., NG (2.3L I5), WC (2.2L I5 Turbo, Coupe/Quattro), NF (2.0L I4), PM (2.0L I4)
Engine Displacement
Displacement Options:	2.0L, 2.2L, 2.3L (Inline-4 and Inline-5, naturally aspirated and turbocharged)
Performance
Horsepower Range:	Approx. 115 hp to 170 hp (depending on engine and turbocharging)
Torque Range:	Approx. 125 lb-ft to 177 lb-ft (depending on engine and turbocharging)
Fuel System
Injection Type:	Bosch K-Jetronic (CIS) and KE-Jetronic (CIS-E)
Fuel Type
Fuel Recommendation:	Unleaded gasoline (Octane rating appropriate for engine, e.g., 91 AKI or higher for turbo models)
Engine Management
ECM Type:	Various digital engine control units (ECUs) depending on engine and year, often with diagnostic connectors

Transmission
Standard
Transmission Type:	5-speed Manual Transmission
Optional
Transmission Type:	4-speed Automatic Transmission (e.g., ZF 4HP-22)
Features
AWD System:	Optional Torsen center differential Quattro all-wheel drive system
Fluid Specifications
Atf Type:	Refer to manual for specific ATF (e.g., Dexron III or equivalent for automatic transmissions)
Manual Trans Oil Spec:	Refer to manual for specific gear oil (e.g., SAE 75W-90 GL-4/GL-5)

Dimensions
Exterior
Body Styles:	4-door Sedan, 5-door Avant (Wagon)
Weights
Curb Weight Range:	Approx. 2,900 - 3,500 lbs (1315 - 1588 kg), depending on configuration

Safety Features
Ratings
Crash Testing:	Limited official crash test data available for this era, but generally designed to meet European standards of the time.
Passive Features
Airbags:	Driver-side airbag became available/standard later in the C3 generation, optional on some models.
Seatbelts:	3-point inertia-reel seatbelts front and rear.
Chassis Design:	Unitized body construction with crumple zones.
Active Features
ABS:	Anti-lock Braking System (ABS) was an optional feature on many models.

Technology Features
Infotainment
Audio System:	Factory premium sound systems available (e.g., Audi Concert), often with cassette player and analog tuning.
Climate Control:	Manual climate control standard; optional automatic climate control (Climatronic on later models, but less common in '90 C3).
Driver Assistance
Cruise Control:	Optional cruise control system.
Connectivity
Diagnostics:	On-board diagnostics (OBD) capabilities may be limited to basic fault codes via specific diagnostic connectors, not the comprehensive OBD-II standard.

Maintenance
Service Intervals
Oil Change:	Typically every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6-12 months, depending on driving conditions and oil type.
Timing Belt:	Crucial replacement interval for 5-cylinder engines (e.g., 60,000 - 90,000 miles or 5-7 years). Failure can cause catastrophic engine damage.
Fluid Specifications
Engine Oil Type:	Refer to manual: Typically SAE 5W-30 or 5W-40 synthetic or semi-synthetic for optimal protection, or SAE 10W-40 for older specs/warmer climates. Check API classification.
Coolant Type:	Ethylene glycol based coolant, mixed 50/50 with distilled water. Refer to manual for specific Audi G11 or equivalent specifications.
Brake Fluid Type:	DOT 3 or DOT 4 brake fluid.
Known Issues
Engine:	Fuel distributor leaks (K-Jetronic), ignition coil failure, vacuum hose degradation, oil leaks from seals and gaskets, timing belt tensioner issues.
Electrical:	Degrading wiring insulation (especially in engine bay), headlight switch failures, power window regulator issues, dashboard illumination problems.
Suspension:	Worn control arm bushings, ball joints, and tie rod ends; rear torsion bar issues on some Quattro models.
Body:	Rust, particularly around wheel wells, rocker panels, and sunroof drains.
Parts Availability
Part Availability:	Some specific parts may be scarce due to age, requiring specialized suppliers or donor vehicles.

Vehicle History
Brand Heritage
Brand Focus:	Audi has a long history of engineering excellence, particularly in Quattro all-wheel drive technology and TDI diesel engines (though the latter are not prevalent in US-spec 1990 100s).
Model Evolution
C3 Generation:	The C3 generation (Type 44) was produced from 1982 to 1991, known for its aerodynamic 'new wave' design and pioneering use of galvanized steel for corrosion resistance.
Production
Production Period:	1982-1991 (Type 44 platform)
Production Locations
Manufacturing Sites:	Ingolstadt, Germany

Awards & Recognition
Recognitions
Design Award:	The C3 generation's aerodynamic design was lauded and won awards, contributing to its contemporary aesthetic.
Ratings
Reliability Perception:	Perceived as a reliable vehicle when properly maintained, though complexity and age can introduce issues. High performance variants (like the 200 Turbo) require more diligent upkeep.