Positioning:
Premium compact sedan and coupe segment, known for its sophisticated quattro all-wheel-drive system and driver-focused engineering.
Competitors:
BMW 3 Series (E30/E36), Mercedes-Benz 190E, Acura Integra, Lexus ES250. Competed on performance, handling, and AWD capability.
Vehicle Highlights:
Permanent all-wheel-drive (Quattro), refined inline-five engine, excellent handling dynamics, build quality characteristic of Audi.
Value:
Provides access to factory-derived, officially licensed repair information, offering a significant cost saving over dealership service. Enables DIY repairs for complex systems like the Quattro drivetrain and engine management.
Engine:
Complete overhaul, diagnosis, repair, tuning, fuel system, ignition system, cooling system, exhaust system
Drivetrain:
Quattro all-wheel drive system, differentials, driveshafts, CV joints, clutch, manual transmission, automatic transmission (if applicable)
Brakes:
Disc brakes (front and rear), ABS system diagnosis and repair, hydraulic system, parking brake
Suspension And Steering:
Front and rear suspension components, struts, shocks, control arms, bushings, power steering system, steering rack, alignment specifications
Electrical System:
Wiring diagrams, component location, starter, alternator, battery, lighting, fuses, relays, ECUs, diagnostic connectors
Body And Chassis:
Body panel removal/installation, interior trim, glass, doors, hinges, locks, structural repairs (limited, typically focuses on mechanical/electrical)
Heating And Air Conditioning:
HVAC system components, refrigerant circuits, blower motor, controls, climate control diagnosis
Maintenance:
Scheduled maintenance tasks, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt tensioning
Troubleshooting:
Diagnostic procedures for common and uncommon faults, fault code interpretation (if applicable), step-by-step diagnostic flowcharts
Repair:
Detailed instructions for component removal, overhaul, and installation for all covered systems
Technical Specifications:
Torque specifications, clearances, tolerances, pressures, electrical values
Depth:
Comprehensive, OE-level detail suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission rebuilds.
Configuration:
Inline-5 Cylinder, DOHC
Displacement:
2.3 Liters (2309 cc)
Horsepower:
130 hp @ 5800 rpm (approx.)
Torque:
137 lb-ft @ 3500 rpm (approx.)
Injection:
Bosch KE-Jetronic (CIS-E) or similar Bosch electronic fuel injection system
System Type:
Electronic ignition, distributorless ignition system (DIS) often featured on later versions, or distributor with electronic control.
Passive Safety:
Occupant protection features typical for the era, including crumple zones, safety belts. Specific NHTSA/IIHS ratings for this year are less comprehensive than modern standards.
Braking System:
Standard Anti-lock Braking System (ABS) on Quattro models, typically front ventilated discs and rear solid discs.
Restraints:
3-point seat belts for all occupants, driver's side airbag often optional or standard depending on market and trim level.
Audio System:
Factory premium sound system, often with cassette player and AM/FM radio. Pre-wiring for CD changer may be present. Analog climate controls.
ABS:
Standard ABS on Quattro models, a significant safety technology for its time.
Diagnostic Port:
OBD I diagnostic connector (location varies, often under dash or in engine bay) for engine management and ABS diagnostics. Requires specific Audi diagnostic tools of the era or adaptable scanners.
Oil Change Interval:
Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions and oil quality used. Refer to manual for precise OE recommendations.
Timing Belt Interval:
Crucial: Usually around 60,000 miles (96,000 km) or 4-5 years for the 5-cylinder engine. Failure can cause severe engine damage.
Engine Oil:
SAE 5W-40 or 10W-40 synthetic or semi-synthetic oil meeting VW 502 00 or API SG/SH specifications (consult manual for precise spec).
Coolant:
Ethylene glycol-based antifreeze, typically G11 specification (blue/green color) or equivalent, mixed 50/50 with distilled water.
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90. Check differential fluid separately.
Transmission Fluid Automatic:
Dexron III or equivalent ATF. Capacity typically around 4-5 liters.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Common Faults:
LH/RH front strut mount bearing failure, fuel distributor/accumulator issues (CIS), worn CV boots leading to joint failure, aging electrical connectors (especially grounds), minor oil leaks from valve cover gasket and oil pan gasket, coolant flange leaks.
Quattro Specifics:
Potential wear in center and rear differentials if maintenance is neglected. Check for fluid leaks from differential seals.
Brand Focus:
Audi AG, known for its engineering prowess, Quattro all-wheel-drive technology, and upscale interiors.
Generation:
Second generation (Type 89/8B) Audi 90, succeeding the Audi 80/90 (Type 81/85).
Production Years:
1987-1991 (for the Type 8B generation)
