Target Audience:
Audi 90 owners, amateur mechanics, professional technicians, enthusiasts
Value Proposition:
Empowerment of users to perform repairs and maintenance, reducing reliance on expensive dealership services.
Manual Type Comparison:
A comprehensive repair manual, offering more depth than a typical owner's manual.
Content Description:
Extensive coverage of mechanical, electrical, and body systems with illustrated procedures.
User Experience:
Designed for ease of use with step-by-step guides and clear technical information.
Powertrain:
Engine, Clutch, Gearbox (Transmission), Propeller Shafts, Rear Axles
Chassis:
Front Axle, Front and Rear Suspensions, Wheels and Tyres, Steering System, Brakes
Body And Electrical:
Bodywork and Chassis Frame, Electric/Electronic System, Heat, Air Conditioning
Maintenance:
Scheduled maintenance, fluid checks and changes, filter replacements
Repair:
Component-level repair for all covered systems, including engine rebuilds, brake caliper service, suspension component replacement
Diagnostics:
Troubleshooting guides, electrical schematics for fault finding
Diagnostic Capabilities:
Dealer-level instructional guides, detailed schematics, step-by-step procedures
Scope:
Comprehensive coverage for basic repairs to complete overhauls
Compatibility:
All Windows Operating Systems, Smartphones, Tablets
Viewing Software Recommendation:
Adobe PDF Reader
Extractable Content:
Yes (if provided as a zip file), requires WinRAR or 7-Zip
Printability:
Print any page or multiple pages
Interactivity:
Non-interactive (standard PDF), requires no installation
Passive Safety:
Occupant protection through unibody construction, crumple zones.
Braking System:
Front ventilated discs, rear solid discs (standard). Anti-lock Braking System (ABS) often optional or standard on higher trims.
Restraints:
3-point seat belts with pretensioners, front airbags (driver side often standard, passenger side optional or later models).
Audio System:
Factory AM/FM/Cassette systems, often with premium sound options.
Braking Assistance:
ABS (Anti-lock Braking System) available as an option on many models.
Connectivity Features:
Basic, primarily focused on vehicle operation rather than external connectivity.
Oil Change:
Typically every 3,000-7,500 miles or 6-12 months, depending on oil type and driving conditions.
Timing Belt:
Critical component, typically requires replacement every 40,000-60,000 miles or 4-5 years due to risk of catastrophic engine failure.
Engine Oil:
Refer to manual for specific viscosity (e.g., 5W-40, 10W-40) and API/ACEA ratings. Synthetic recommended.
Coolant:
Ethylene glycol based, typically 50/50 mix with distilled water. Check manual for specific type (e.g., G11).
Brake Fluid:
DOT 3 or DOT 4, depending on system requirements. Check manual for exact specification and change interval.
Transmission Fluid Manual:
GL-4 or GL-5 gear oil, viscosity typically 75W-90. Check manual for specific type and capacity.
Transmission Fluid Automatic:
Dexron-III or equivalent. Check manual for specific type and capacity.
Engine:
Valve stem seals, oil leaks (e.g., oil pressure sender seal, valve cover gasket), distributor O-ring failure, idle control valve issues.
Electrical:
Wiring harness degradation, dashboard warning light malfunctions, power window regulators, central locking system issues.
Suspension Steering:
Worn control arm bushings, ball joints, tie rod ends, aging shock absorbers.
Fuel System:
Fuel distributor leaks, cold start injector issues, vacuum leaks in the fuel system.
Brand Focus:
Audi's reputation for advanced engineering, build quality, and quattro all-wheel drive technology.
Model Positioning:
Positioned as a compact executive car, offering a balance of performance, luxury, and technology.
Manufacturing Location:
Ingolstadt, Germany
Generation Significance:
Type 89 platform marked a significant styling and engineering update for Audi, moving towards more aerodynamic designs and improved safety.