Positioning:
Premium compact sedan, positioned as a sportier and more refined alternative to mainstream sedans.
Competitors:
BMW 3 Series, Mercedes-Benz 190E, Acura Integra, Volvo 240.
Distinctive Attributes:
German engineering, advanced quattro all-wheel drive system, high-quality interior materials, refined driving dynamics.
Convenience:
Instant online access, updated information, search functionality, superior to outdated printed manuals.
Licensing:
Officially licensed and derived from OE (Original Equipment) materials.
Coverage Areas:
Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Bodywork, Emissions
Manual Type:
Service and Repair Manual Software
Format:
Online Access (Web Browser)
Access Duration:
1 Year (with option for extension)
Engine Coverage:
Detailed diagnosis, repair, and overhaul procedures for all 1990 Audi 90 engine variants.
Transmission Coverage:
Service, repair, and overhaul procedures for manual and automatic transmissions.
Drivetrain Coverage:
Front-wheel drive (FWD) and quattro all-wheel drive (AWD) system service and repair.
Suspension Steering Coverage:
Front and rear suspension components, steering rack, power steering system diagnostics and repair.
Brake Coverage:
Hydraulic brake system components (master cylinder, calipers, lines), ABS system (if equipped), parking brake.
Electrical Coverage:
Wiring diagrams, component testing, diagnostic procedures for lighting, ignition, charging, starting, and accessories.
HVAC Coverage:
Air conditioning system (refrigerant handling, component testing, repair), heating system, ventilation.
Bodywork Coverage:
Body panel repair, door mechanisms, glass replacement, interior trim.
Emissions Coverage:
Emissions control system components, diagnostic trouble codes (DTCs), and troubleshooting.
Maintenance Procedures:
Scheduled maintenance tasks, oil changes, filter replacements, fluid checks and top-offs.
Diagnostic Procedures:
Step-by-step troubleshooting guides for common and complex issues, using diagnostic tools and techniques.
Repair Procedures:
Detailed, illustrated instructions for component removal, installation, and adjustment.
Depth Of Information:
Comprehensive, from basic maintenance to complete engine and transmission overhauls.
Digital Format:
Proprietary RepairSurge Web Application
Print Capability:
Pages can be printed directly from the web browser.
Paper Quality:
N/A (Digital)
Device Compatibility:
PC, Laptop, Smartphone, Tablet (with internet browser)
Engine Type:
Inline 5-cylinder, naturally aspirated
Displacement Liters:
2.3 L (2309 cc)
Bore X Stroke Mm:
79.5 mm x 95.5 mm
Horsepower Hp:
130 hp @ 5500 rpm
Torque Lb-Ft:
137 lb-ft @ 3000 rpm
Fuel Delivery:
Bosch KE-Jetronic (CIS-E) Fuel Injection
Ignition Type:
Electronic Ignition (Motronic)
Coolant Type Spec:
G11 (Blue/Green) Antifreeze/Coolant
Oil Capacity Liters:
4.5 L
Recommended Oil Viscosity:
SAE 5W-40 or 10W-40
Timing Belt Replacement Interval Km:
60,000 km (approx. 37,000 miles) or 5 years
Standard Transmission Type:
5-Speed Manual
Optional Transmission Type:
4-Speed Automatic (ZF 4HP-22)
Drivetrain Options:
Front-Wheel Drive (FWD) and quattro permanent All-Wheel Drive (AWD)
Manual Transmission Fluid Spec:
API GL-4 SAE 75W-90 Gear Oil
Automatic Transmission Fluid Spec:
Audi Automatic Transmission Fluid (ATF) or equivalent (e.g., Dexron II/III)
NHTSA Overall Rating:
Not rated or unavailable for this model year and market.
ABS:
Optional Anti-lock Braking System (ABS) available on some models.
Airbags:
Driver-side airbag standard in most markets, passenger airbag not typically available.
Seatbelts:
Front and rear seat belts, front seat belt pre-tensioners.
Audio System:
Factory AM/FM/Cassette stereo system, optional CD player.
Cruise Control:
Available as an option.
Trip Computer:
Rarely equipped, early form of onboard computer on some models.
Connectivity Features:
None (basic vehicle electronics, no Bluetooth or USB).
Oil Change Interval Km:
10,000 - 15,000 km (or annually)
Air Filter Replacement Interval Km:
30,000 km
Fuel Filter Replacement Interval Km:
40,000 km
Spark Plug Replacement Interval Km:
40,000 - 60,000 km (depending on plug type)
Power Steering Fluid Spec:
G 002 000 (or Pentosin CHF 11S)
Common Problems:
Degradation of rubber components (hoses, seals), starter motor issues, fuel distributor leaks, ABS sensor failures, window regulator failures.
Timing Belt Failure Consequences:
Non-interference engine design; however, belt failure will cause the engine to stop running.
Audi Legacy:
Audi's heritage of engineering innovation, four-wheel drive technology (quattro), and premium automotive design.
Audi 90 B3 Introduction:
The B3 generation of the Audi 80/90 series was introduced in 1986, with the 90 designation highlighting the more upscale features and engines compared to the 80.
Production Period:
The B3 generation (including the 90) was produced from 1986 to 1991.
Manufacturing Location:
Ingolstadt, Germany (primarily)
Historical Acclaim:
Audi's reputation for quality and engineering, though specific awards for the 1990 90 are not prominently documented.
Consumer Reports Historical:
Often reviewed favorably for driving dynamics and build quality, with common critiques of electrical and fuel system issues.
