Target Audience:
DIY enthusiasts, independent repair shops, Audi owners seeking in-depth knowledge
Value Proposition:
Provides dealership-level repair information for DIY use, saving on labor costs
Alternative Resources:
Dealership service departments, third-party repair manuals (e.g., Haynes, Chilton, which may be less comprehensive)
Illustrations:
Detailed illustrations to guide repair procedures
Support:
Full product support offered by the seller
Satisfaction:
Commitment to 100% customer satisfaction
Primary Coverage:
Comprehensive repair and service procedures
Secondary Coverage:
Wiring schematics, electrical diagrams, computer diagnostic codes
Estimated Page Count:
Varies by specific edition, typically 1000+ pages for full workshop manuals
Type:
Workshop Service Repair Manual
Distinction From Owner Manual:
Technically detailed repair procedures, not owner operation
Software Requirement:
None, viewable with standard PDF reader
Search Functionality:
Searchable content via keywords
Navigation:
Bookmarked PDF for easy navigation
Powertrain:
Engine mechanical, engine management, fuel system, cooling system, exhaust system, transmission (manual and automatic)
Chassis:
Suspension (front and rear), steering system, braking system (including ABS if equipped)
Electrical:
Ignition system, starting and charging system, lighting, instrumentation, body electrical, power accessories, climate control (HVAC)
Body And Interior:
Bodywork repair, interior trim, safety systems (airbags, seatbelts)
Maintenance:
Fluid changes, filter replacements, tune-ups, inspections
Repair:
Component removal, disassembly, inspection, repair, reassembly, and installation
Diagnostics:
Troubleshooting guides, fault code interpretation, diagnostic procedures
Special Procedures:
Transmission rebuild, engine overhaul, AC system service, airbag system servicing
Depth:
Detailed step-by-step instructions with illustrations for minor and major repairs
Diagnostic Codes:
Coverage of specific diagnostic trouble codes (DTCs) for computer-controlled systems
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems
Engine Code Examples:
JN (2.3L 5-cylinder), NF (2.2L 5-cylinder), KG (2.2L 5-cylinder Turbo)
Engine Type:
Inline 5-cylinder, naturally aspirated and turbocharged
Displacement:
2.2L (2226 cc) and 2.3L (2309 cc)
Horsepower Range:
Approximately 130 hp to 165 hp (naturally aspirated) and 180 hp (turbocharged Quattro)
Torque Range:
Approximately 137 lb-ft to 164 lb-ft (naturally aspirated) and 200 lb-ft (turbocharged Quattro)
Fuel Delivery:
Bosch CIS-E (Continuous Injection System - Electronic) or Motronic EFI
Fuel Type:
Unleaded gasoline
Ignition System:
Electronic ignition, distributor-less ignition (some later models/variants)
Transmission Type:
5-speed manual transmission
Transmission Type:
4-speed automatic transmission (ZF automatic often used)
Drivetrain:
Front-wheel drive (FWD) or Quattro all-wheel drive (AWD)
Manual Transmission Fluid:
GL-4 or GL-5 gear oil (e.g., SAE 75W-90 or 80W-90)
Automatic Transmission Fluid:
Dexron III or equivalent (check specific vehicle documentation)
Body Styles:
Sedan (B3 chassis) and Coupe (Typ 89)
Wheelbase:
Approximately 2600 mm (Sedan), 2545 mm (Coupe)
Overall Length:
Approximately 4500-4550 mm (Sedan), 4340 mm (Coupe)
Curb Weight:
Approximately 1300-1500 kg (depending on drivetrain and equipment)
Crash Test Data:
Limited official crash test data available from this era for this specific model, but generally considered robust for its time.
Braking:
Front ventilated discs, rear solid discs. ABS (Anti-lock Braking System) available on some models.
Stability:
Quattro all-wheel drive system significantly enhances stability and traction.
Airbags:
Driver-side airbag became standard in later years of this generation (late 80s/early 90s).
Seatbelts:
Front and rear seat belts. Pre-tensioners on front belts in some variants.
Audio System:
Factory AM/FM/Cassette stereo. Optional CD player available. Speaker configurations vary.
Cruise Control:
Available as an option or standard on higher trim levels.
Bluetooth:
Not available on this model.
HVAC System:
Manual or automatic climate control systems available, with comprehensive diagnostic and repair procedures covered in the manual.
Oil Change Interval:
Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type used. Consult manual for specific recommendations.
Timing Belt Replacement:
Critical for 5-cylinder engines. Typically recommended every 50,000-60,000 miles or 4-5 years. Failure can cause severe engine damage.
Spark Plug Replacement:
Approximately every 30,000 miles, depending on plug type.
Engine Oil:
API SG or higher, SAE 10W-40 or 5W-40 synthetic recommended. Check manual for exact viscosity based on climate.
Coolant:
G11 specification (blue coolant) or equivalent OAT/HOAT antifreeze mixed with distilled water (50/50 ratio).
Brake Fluid:
DOT 3 or DOT 4.
Engine Mounts:
Can degrade over time, leading to increased vibration.
Fuel Accumulator:
Can fail on CIS-E systems, causing hard starting or poor performance.
Electrical Connections:
Corrosion on grounds and connectors can cause intermittent issues.
Heater Core:
Can leak, causing coolant loss and a sweet smell in the cabin.
ABS Sensors:
Can fail, triggering ABS warning light.
Brand Focus:
Audi, a German luxury vehicle manufacturer known for its engineering and quattro all-wheel-drive systems.
Generation:
B3 generation Audi 80/90 (Typ 89 chassis), succeeding the B2 generation.
Positioning:
The Audi 90 was positioned as the more upscale variant of the Audi 80, often featuring more powerful engines and higher trim levels, particularly with the 5-cylinder engines and quattro system.
Production Years For Model:
1986-1991 (B3 generation)
Manufacturing Locations:
Ingolstadt, Germany
