Segment:
Compact Executive Car
Target Audience:
Individuals seeking to maintain, repair, or understand their 1990 Audi 80.
Key Competitors:
BMW 3 Series (E30), Mercedes-Benz 190E (W201), Volvo 240, Ford Sierra.
Vehicle Design Philosophy:
Known for its robust build quality, comfortable ride, and refined driving experience, characteristic of Audi's European engineering.
Manual Advantage:
Provides factory-level repair information essential for accurate and effective maintenance and troubleshooting, ensuring longevity and optimal performance.
Mechanical Engine:
Comprehensive coverage of engine mechanical systems, including disassembly, inspection, repair, and reassembly.
Transmission:
Detailed procedures for manual and automatic transmission service, including clutch, gearbox, and torque converter.
Brakes:
In-depth information on brake system components (discs, pads, calipers, master cylinder, ABS if applicable), bleeding procedures, and troubleshooting.
Suspension:
Complete coverage of front and rear suspension systems, including shock absorbers, struts, control arms, and alignment specifications.
Steering:
Repair and adjustment procedures for the steering system, including steering rack, power steering pump, and linkage.
Electrical:
Extensive electrical system diagnostics, including component testing, wiring harness repair, and fuse/relay identification.
Lights:
Details on headlight, taillight, and interior lighting systems, including bulb types and wiring.
Body Frame:
Information on interior and exterior bodywork, including trim removal, panel replacement, and corrosion prevention.
HVAC:
Service and repair of the heating, ventilation, and air conditioning (HVAC) system, including refrigerant handling.
Driveline Axle:
Coverage of front-wheel drive axle components, CV joints, and differential service.
Tires Wheels:
Specifications for tire sizes, pressures, and wheel torque settings.
Restraints:
Information on seatbelt systems and airbags (if equipped), including diagnostic procedures.
Audio Visual Telematics:
Details on factory audio systems, speakers, and potential upgrades or repairs.
Accessories Equipment:
Information pertaining to various vehicle accessories and their installation or maintenance.
Maintenance:
Detailed service schedules, fluid changes, filter replacements, and general upkeep procedures.
Troubleshooting:
Systematic diagnostic guides for identifying and resolving common vehicle issues and fault codes.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation across all major vehicle systems.
Installation:
Guidance on the installation of new or replacement parts and certain accessories.
Diagnostics:
Comprehensive diagnostic flowcharts and electrical schematics for pinpointing problems.
Wiring Diagrams:
Complete and detailed wiring diagrams for all electrical systems, color-coded for clarity.
Depth:
Covers basic maintenance, routine service, component-level repair, and in-depth troubleshooting, suitable for both DIY enthusiasts and professional mechanics.
Engine Code Common:
Various codes depending on market and specification, commonly including 2.0L inline-4 (e.g., 3A, PP, PM).
Displacement Common:
1984 cc (2.0 Liters)
Horsepower Range:
Approximately 110-115 hp (depending on engine variant and market).
Torque Range:
Approximately 160-170 Nm (depending on engine variant and market).
Fuel Delivery:
Fuel Injection (Bosch Motronic, K-Jetronic or KE-Jetronic commonly used).
Fuel Type:
Unleaded Petrol (Gasoline)
Configuration:
Inline 4-cylinder, transverse mounting.
Valvetrain:
SOHC (Single Overhead Camshaft) or DOHC (Double Overhead Camshaft) depending on specific engine.
Oil Change:
Typically every 7,500 - 10,000 miles (12,000 - 15,000 km) or annually, depending on driving conditions and oil type.
Timing Belt Replacement:
Crucial interval, typically around 60,000 - 100,000 miles (100,000 - 160,000 km), engine damage can occur if it breaks.
Engine Oil Type:
API SG or SH rated, SAE 5W-30 or 10W-40 (consult manual for specific viscosity based on climate).
Coolant Type:
Ethylene Glycol based antifreeze, typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4.
Transmission Fluid Manual:
API GL-4 SAE 75W-90 or 80W-90 gear oil.
Transmission Fluid Automatic:
ATF Dexron-II or equivalent (check manual for exact specification).
Cooling System:
Radiator leaks, thermostat issues, and worn coolant hoses are common with age.
Electrical System:
Corrosion on electrical connectors, failing fuel pump relays, and intermittent dashboard warning lights can occur.
Suspension Components:
Worn ball joints, tie rod ends, and front strut mounts are typical wear items.
Fuel Injection System:
Issues with the fuel distributor or injectors, particularly on K-Jetronic systems, can cause rough idling or poor performance.
