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Audi 80 90 1987 S2 3B Workshop Service Repair Manual

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$134.00
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$134.00
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Basic Information Identification Make: Audi Model: 80 / 90 Variant: S2 (3B Engine) Year: 1987 Codes Engine Code: 3B Introduction Market Position Positioning: Performance-oriented luxury compact sedan/coupe in its era,...
Type: Cars
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Sku: 426255
Tags: 90 Audi
Audi 80 90 1987 S2 3B Workshop Service Repair Manual
Basic Information
Identification
Make: Audi
Model: 80 / 90
Variant: S2 (3B Engine)
Year: 1987
Codes
Engine Code: 3B
Introduction
Market Position
Positioning: Performance-oriented luxury compact sedan/coupe in its era, competing with BMW 3 Series and Mercedes-Benz 190.
Competitive Analysis
Competitors: BMW 3 Series (E30), Mercedes-Benz 190E (W201).
Key Features
S2 Features: Turbocharged 20-valve 5-cylinder engine, quattro all-wheel drive, sport-tuned suspension, aerodynamic enhancements.
Manual Value Proposition
Benefits: Empowers owners and technicians with detailed technical knowledge for accurate maintenance, diagnostics, and repairs, preserving the vehicle's performance and longevity.
Manual Details
Coverage Areas
Coverage: Complete Workshop Service and Repair
Page Count
Estimated Pages: High (typically 800+ pages for comprehensive factory manuals)
Manual Type
Type: Workshop Service Repair Manual
Language
Language: English (typically, but may vary; original German is also common)
Format
Format: Digital Download (PDF or similar electronic format)
Manual Coverage
Systems Covered
Engine: Detailed diagnosis, repair, overhaul, tuning of the 3B engine.
Fuel System: Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel lines, pressure regulation.
Ignition System: Ignition timing, coil packs, spark plugs, control module.
Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications, fan operation.
Exhaust System: Catalytic converter, exhaust manifold, mufflers, pipe routing, emissions controls.
Transmission: Manual transmission (likely 5-speed quattro), clutch system, gearbox overhaul, fluid specifications.
Drivetrain: Quattro all-wheel-drive system, differentials, driveshafts, CV joints.
Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications.
Steering: Power steering system, steering rack, tie rods, steering column.
Brakes: Front and rear brake systems (likely disc brakes all around), ABS operation, brake fluid, bleeding procedures.
Electrical System: 12V electrical system, battery, alternator, starter motor, lighting, fuses, relays, wiring diagrams.
Climate Control: HVAC system, blower motor, heater core, A/C system (if equipped), refrigerant.
Body And Chassis: Body panels, doors, hood, trunk, interior trim, chassis construction, rust prevention.
Safety Systems: Seat belts, airbags (if applicable to this year/variant), structural integrity.
Procedures Included
Maintenance: Scheduled maintenance, fluid changes, filter replacements, tune-ups.
Diagnostics: Troubleshooting guides, symptom analysis, diagnostic trouble codes (if applicable).
Repair: Step-by-step repair instructions for all major vehicle systems.
Disassembly Assembly: Detailed procedures for removing and installing components.
Rebuilding Overhaul: Procedures for rebuilding engines, transmissions, and other major components.
Adjustment: Settings and adjustments for engine timing, brakes, clutch, etc.
Torque Specifications: Detailed torque values for all fasteners.
Wiring Diagrams: Comprehensive electrical wiring schematics for all systems.
Technical Depth
Depth: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts.
Manual Specifications
File Format
Format Details: Likely PDF with searchable text, enabling easy navigation and printing.
Print Quality
Printability: Designed for complete printability of individual sections or the entire manual.
Binding Type
Binding Style: N/A (Digital Format)
Paper Type
Paper Quality: N/A (Digital Format)
Engine Specifications
Primary Engine
Engine Type: Inline 5-cylinder, 20-valve, turbocharged
Displacement: 2.2 Liters (2226 cc)
Bore X Stroke: 81.0 mm x 86.4 mm (approximate)
Compression Ratio: 8.5:1 (approximate)
Performance
Horsepower: 217 hp (162 kW) @ 5900 rpm
Torque: 247 lb-ft (335 Nm) @ 3000 rpm
Fuel System
Fuel Delivery: Bosch Motronic electronic fuel injection with turbocharging
Fuel Type: Premium Unleaded Gasoline (91+ octane)
Engine Management
ECU Type: Bosch Motronic (specific version for 3B engine)
Turbocharger: Garrett T3 or similar, intercooled
Intercooler: Air-to-air front-mounted intercooler
Transmission
Standard
Type: 5-speed Manual
Optional
Type: None (S2 3B exclusively manual)
Features
Drivetrain: Quattro Permanent All-Wheel Drive
Gear Ratios: Refer to manual for specific gear ratios (e.g., 1st: 3.500, 2nd: 2.059, 3rd: 1.333, 4th: 1.000, 5th: 0.778)
Transmission Fluid
Fluid Type: GL-4 or GL-5 Hypoid Gear Oil (e.g., SAE 75W-90, refer to manual for specific Audi spec)
Capacity: Refer to manual for specific transmission fluid capacity (typically ~2.0 liters for gearbox)
Dimensions
Exterior
Length: Approximately 4415 mm (sedan), 4345 mm (coupe)
Width: Approximately 1700 mm
Height: Approximately 1390 mm (coupe), 1415 mm (sedan)
Weights
Curb Weight: Approximately 1300-1400 kg (depending on body style and equipment)
Gross Vehicle Weight: Refer to manual or vehicle placard
Wheels Tires
Wheel Bolt Pattern: 5x112 mm
Tire Size: Typically 205/55 VR 15 or 205/50 VR 16 (S2 specific)
Wheel Size: 7Jx15 or 7Jx16 (S2 specific)
Safety Features
Ratings
Crash Test History: Limited comprehensive data available for this era, but known for robust chassis construction.
Active Features
ABS: Anti-lock Braking System (ABS) standard on S2 models.
Passive Features
Seat Belts: 3-point seat belts with front pre-tensioners.
Airbags: Driver airbag potentially optional or standard depending on market and specific production date.
Chassis Design: Unit-body construction with crumple zones.
Technology Features
Infotainment
Audio System: Original Audi Gamma II or similar cassette player with AM/FM radio. Speaker configuration typically 4 or 6 speakers.
Driver Assistance
ABS: Standard ABS system.
Connectivity
Original Features: Basic climate control, power windows (often), central locking (often).
Maintenance
Service Intervals
Oil Change Interval: Typically every 7,500-10,000 miles or 12 months, consult manual for precise interval based on driving conditions.
Timing Belt Replacement: Critical for 5-cylinder engines. Interval usually around 50,000-60,000 miles or 5 years. Failure can cause severe engine damage. Consult manual.
Fluid Specifications
Engine Oil: Refer to manual for viscosity grade (e.g., 5W-40 or 10W-40) and API service classification. Full synthetic recommended for turbocharged engines.
Coolant: Audi/VW G11 (blue) or G12 (pink) coolant (ethylene glycol based) mixed with distilled water. Capacity approximately 8-9 liters.
Brake Fluid: DOT 4 brake fluid.
Power Steering Fluid: Refer to manual, typically Pentosin CHF 11S or equivalent power steering fluid.
Known Issues
Common Problems: Timing belt issues, turbocharger wear, coolant leaks, electrical connector corrosion, aging rubber components (hoses, bushings), potential for cylinder head gasket failure under high stress.
S2 Specific Concerns: Maintenance of the turbocharger and intercooler system is crucial. Proper oil changes are paramount for turbo longevity.
Vehicle History
Brand Heritage
Heritage: Audi, part of the Volkswagen Group, has a long history of engineering innovation, particularly in quattro all-wheel-drive technology.
Model Evolution
Audi 80 90 Lineage: The Audi 80 and 90 were successful compact executive cars produced from the 1970s to the late 1990s. The B3 generation (1986-1991) saw the introduction of the S2 performance variant.
Audi S2 Introduction: The S2 model was a high-performance version of the Audi 80/90, introduced in the late 1980s, featuring enhanced engines, quattro AWD, and sportier styling.
Production
Production Period: Audi 80/90 B3: 1986-1991. S2 3B variant production specific years within this range.
Manufacturing Location: Germany (Ingolstadt)
Awards & Recognition
Recognitions
Automotive Press: The Audi 80/90 series was generally well-regarded for its build quality, comfort, and handling, especially in quattro variants. The S2 was praised for its performance and all-weather capability.
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