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Introduction
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Market Position
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Segment:
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Premium Compact Executive Car
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Positioning:
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Competes with BMW 3 Series, Mercedes-Benz C-Class, Lexus IS
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Competitive Analysis
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Key Competitors 2007:
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BMW 3 Series (E90), Mercedes-Benz C-Class (W203 facelift), Lexus IS (XE20), Infiniti G35
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Key Features
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Design Philosophy:
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Audi's signature 'Tornado Line' design, refined interior, advanced Quattro all-wheel-drive system
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Platform Advantages:
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Well-balanced chassis, robust Quattro system, refined ride quality
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Manual Value Proposition
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Value For Owner:
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Enables DIY maintenance and repairs, reduces dealership service costs, empowers owners with technical knowledge
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Manual Coverage
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Systems Covered
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Powertrain:
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Engine, Transmission (Manual & Automatic), Clutch, Drivetrain (FWD & Quattro AWD)
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Chassis:
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Suspension (Front & Rear), Steering, Brakes (Hydraulic, ABS, ESP), Wheels & Tires
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Electrical:
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Wiring Diagrams, Lighting, Instruments, Infotainment, Body Control Modules, Engine Control Units (ECU), Comfort Systems, Safety Systems (Airbags, Seatbelts)
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Body:
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Body Panels, Doors, Windows, Seats, Interior Trim, Convertible Top (for 8H)
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Procedures Included
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Maintenance:
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Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks & Top-offs
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Diagnostics:
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Troubleshooting Guides, Fault Code Interpretation, Component Testing
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Repair And Overhaul:
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Engine Removal/Installation, Transmission Overhaul, Suspension Component Replacement, Brake System Service, Electrical Component Replacement, Body Panel Repair
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Specifications And Tolerances:
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Torque Specifications, Clearances, Alignment Data, Electrical Specifications
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Technical Depth
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Depth:
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Comprehensive (Dealer-level diagnostics, repair, and overhaul)
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Diagnostic Tools:
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Likely references factory diagnostic tools (e.g., VCDS/VAG-COM compatibility mentioned implicitly by its nature)
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Engine Specifications
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Primary Engine
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Engine Code Common Gasoline:
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2.0 TFSI (BWA, AXX)
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Engine Code Common Gasoline V6:
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3.2 FSI V6 (BKH)
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Engine Code Common Diesel:
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2.0 TDI (BPW, BRF)
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Engine Code Common Diesel V6:
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3.0 TDI V6 (ASB)
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Performance
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2.0 Tfsi Horsepower:
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200 hp @ 5100-6000 rpm
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2.0 Tfsi Torque:
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207 lb-ft @ 1800-5000 rpm
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3.2 Fsi V6 Horsepower:
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255 hp @ 6300 rpm
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3.2 Fsi V6 Torque:
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243 lb-ft @ 3200-4500 rpm
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2.0 Tdi Horsepower:
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140 hp @ 4000 rpm
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2.0 Tdi Torque:
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236 lb-ft @ 1750-2500 rpm
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Fuel System
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Fuel Delivery Tfsi:
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Direct Injection (FSI) with Turbocharger
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Fuel Delivery V6 Fsi:
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Direct Injection (FSI)
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Fuel Delivery Tdi:
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Common Rail Direct Injection with Turbocharger
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Engine Management
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ECM Type:
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Bosch Motronic or Continental (engine dependent)
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Transmission
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Standard
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Manual Transmission:
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6-speed manual (02X, 02Q)
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Optional
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Automatic Transmission:
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6-speed Tiptronic automatic (09L, 09G)
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Dsg Transmission:
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6-speed S tronic (DSG) available on some models (e.g., 2.0 TFSI)
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Features
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Drivetrain Options:
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Front-Wheel Drive (FWD) or Audi Quattro All-Wheel Drive
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Fluid Specifications
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Manual Transmission Fluid:
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G 052 171 A2 (or equivalent SAE 75W-90 synthetic)
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Automatic Transmission Fluid Tiptronic:
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G 055 025 (or ATF equivalent)
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Dsg Transmission Fluid:
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G 052 182 A2 (or DSG specific equivalent)
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Differentials
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Quattro Differential Fluid:
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G 052 145 A1 (Front/Rear Differential), G 055 145 A2 (Center Differential)
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Safety Features
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Ratings
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NHTSA Front Impact Driver:
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5-Star (for applicable models)
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NHTSA Front Impact Passenger:
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5-Star (for applicable models)
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IIHS Front Offset Good:
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Good (for applicable models)
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IIHS Side Impact Good:
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Good (for applicable models)
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Active Features
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Stability Control:
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Electronic Stability Program (ESP) / Anti-Slip Regulation (ASR)
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Braking System:
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Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)
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All Wheel Drive:
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Quattro Permanent All-Wheel Drive (optional)
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Passive Features
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Airbags:
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Frontal airbags, Side airbags, Optional Curtain airbags (sedan/avant), Optional Head airbags (cabriolet)
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Seatbelts:
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3-point seatbelts with pretensioners and force limiters
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Child Seat Anchors:
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ISOFIX (LATCH) compatible
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Maintenance
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Service Intervals
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Oil Change Interval:
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10,000 miles or 1 year (flexible service system, depending on driving conditions and oil type used)
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Air Filter Replacement:
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Every 30,000-40,000 miles or as needed
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Cabin Filter Replacement:
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Every 15,000-20,000 miles or annually
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Spark Plug Replacement Tfsi:
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60,000 miles
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Timing Belt Chain Note:
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TFSI engines use timing chains, which are designed to last the life of the engine but can require tensioner or guide replacement if noise develops. V6 FSI engines also use timing chains. TDI engines use timing belts, typically replaced around 120,000 miles or 7 years.
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Fluid Specifications
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Engine Oil Specification Gasoline:
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VW 504 00 specification (e.g., Castrol EDGE Professional Longlife III 5W-30)
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Engine Oil Specification Diesel:
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VW 507 00 specification (e.g., Castrol EDGE Professional Longlife III 5W-30)
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Coolant Specification:
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G 12 Plus Plus (G13) or G12++ (Pink) - Ethylene Glycol based, 50/50 mix with distilled water
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Brake Fluid Specification:
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DOT 4 (preferably VW 501 14 or FMVSS 116 DOT 4)
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Known Issues
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Tfsi Engine Issues:
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Oil consumption, carbon buildup on intake valves, PCV valve failure, ignition coil failures.
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Tdi Engine Issues:
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Turbocharger issues, EGR valve clogging, glow plug failures, injector seal leaks.
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Suspension Issues:
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Worn control arm bushings, worn sway bar links, premature failure of front strut mounts.
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Electrical Issues:
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Window regulator failures, MMI (Multi Media Interface) system glitches, CAN bus communication errors, HVAC blower motor resistor failures.
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Quattro Issues:
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Leaks from front differential seals, potential failure of the center differential's viscous coupling if overheated.
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