Basic Information Identification Make: Audi Model: RS2 Avant Year: 1994 Body Style: Avant (Wagon) Generation Generation Code: B4 (Typ 89) Introduction Market Position Vehicle Classification: High-performance station wagon / "Super Wagon" Target Audience Manual: Audi owners (DIY enthusiasts), Independent Auto Service Professionals Competitive Analysis Competitive Advantage Vehicle: Exclusive combination of practicality (Avant) and supercar performance (RS development) Key Features Manual Value Proposition: Cost savings on maintenance/repairs, informed vehicle ownership, dealer-level repair capabilities Accuracy: Vehicle-specific, manufacturer-written, exact same information as dealer technicians Manual Details Coverage Areas Primary Coverage: Service, Repair, Troubleshooting, Diagnostics, Maintenance Secondary Coverage: Wiring Schematics, Specifications, Component Diagrams Page Count Estimated Page Count: Extensive (Specific page count not provided, but described as 'full' and 'complete') Manual Type Manual Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format File Format: PDF Manual Coverage Systems Covered Engine Mechanical: Yes Engine Electrical: Yes Emission Control: Yes Fuel System: Yes Clutch System: Yes Manual Transaxle: Yes Automatic Transaxle: Yes (Likely for variants or diagnostic purposes, though RS2 was manual only) Driveshaft Axle: Yes Suspension: Yes Steering: Yes Restraint System: Yes Brake System: Yes Body Interior Exterior: Yes Body Electrical: Yes HVAC: Yes Procedures Included Maintenance: Yes (e.g., oil changes, filter replacements, fluid checks) Troubleshooting: Yes (Diagnostic procedures for various systems) Repair: Yes (Component removal, installation, and overhaul) Diagnostics: Yes (Detailed steps for identifying faults) Wiring Schematics: Yes (Detailed electrical diagrams) Technical Depth Depth: Comprehensive (Suitable for basic DIY to professional technician level) Detail Level: Step-by-step instructions, diagrams, illustrations, torque specifications Manual Specifications File Format File Type: PDF Readability: Viewable on PC, Mac, Phones, E-readers Print Quality Printability: Yes (Individual pages printable) Binding Type Binding: Digital (PDF format, no physical binding) Paper Type Paper Type: N/A (Digital format) Compatibility Operating Systems: All Versions of Windows and Mac Requirements Software Requirements: Adobe PDF Reader Engine Specifications Primary Engine Engine Code: APU (based on Porsche 5-cylinder block, modified by Porsche) Configuration: Inline 5-cylinder, 20-valve (5 valves per cylinder) Displacement: 2226 cc (2.2 Liters) Bore X Stroke: 81.0 mm x 86.4 mm Performance Horsepower: 315 hp (235 kW) @ 6500 rpm Torque: 410 Nm (302 lb-ft) @ 3000 rpm Redline: Approximately 7000 rpm (indicated by tachometer) Fuel System Induction: Twin-turbocharged (Garrett T25 turbochargers) Fuel Delivery: Bosch Motronic M2.3.2 Engine Management System, Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (95 RON / 91 AKI recommended) Cooling System Cooling Type: Water-cooled, pressurized system Lubrication System Oil Type Recommendation: High-performance synthetic oil (e.g., 5W-40 or 10W-40, refer to manual for specific API/ACEA ratings) Transmission Standard Transmission Type: 6-speed Manual Transaxle Transmission Model: Porsche Type 01E Features Drive System: Audi Quattro Permanent All-Wheel Drive (AWD) Differential Type: Torsen Center Differential, front and rear limited-slip differentials (LSD) Fluid Requirements Manual Gearbox Oil Spec: API GL-4 or GL-5 (Viscosity typically SAE 75W-90, refer to manual for precise specification) Dimensions Exterior Length: Approx. 4406 mm (173.5 inches) Width: Approx. 1700 mm (66.9 inches) Height: Approx. 1428 mm (56.2 inches) Wheelbase: Approx. 2610 mm (102.8 inches) Weights Curb Weight: Approx. 1590 kg (3505 lbs) Gross Vehicle Weight Rating: Not specified in product info, typically higher than curb weight Cargo Cargo Volume: Typical for B4 Avant (e.g., ~350-450 liters with rear seats up, expandable) Safety Features Passive Features Airbags: Driver and Front Passenger Airbags Seatbelts: Front and Rear Seatbelts (likely with pre-tensioners) Structure: Integrated safety cell, crumple zones Active Features ABS: Anti-lock Braking System (ABS) Traction Control: Not standard, may have been an option or integrated with Quattro system depending on specific configuration Technology Features Infotainment Audio System: Factory fitted Audi Sound System (likely cassette or CD player, amplifier) Climate Control: Manual or Automatic Climate Control (optional, depending on trim) Driver Assistance Cruise Control: Standard Connectivity Connectivity Features: Limited by era; typically no Bluetooth or USB connectivity Maintenance Service Intervals Oil Change Interval: Typically 10,000-15,000 km or 12 months (refer to manual for exact specification) Spark Plug Replacement: Refer to manual; often around 60,000 km for performance vehicles Timing Belt Replacement: Critical; typically 90,000-120,000 km or 5-7 years (refer to manual for specific interval and procedure for twin-turbo setup) Fluid Specifications Engine Oil Capacity: Approx. 5.5 Liters (with filter) Coolant Type: G11 (Blue/Green) or G12 (Red) antifreeze, mixed with distilled water (50/50 ratio) Brake Fluid Type: DOT 4 (refer to manual for specific certification) Power Steering Fluid: Refer to manual (likely Pentosin CHF 11S or equivalent) Known Issues Turbocharger Reliability: Potential for wear or failure if not maintained properly; oil starvation can be critical Suspension Components: Wear on control arm bushings, shock absorbers, and ball joints due to performance demands Electrical Gremlins: Common in older Audis, especially related to the ABS sensors, door lock actuators, and window regulators Engine Seals And Gaskets: Potential for oil leaks from valve cover gaskets, oil pan, or turbocharger lines Vehicle History Brand Heritage Audi...