Introduction
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Market Position
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Positioning:
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Premium Compact Executive Sedan
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Competitive Analysis
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Competitors:
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BMW 3 Series, Mercedes-Benz C-Class, Lexus IS
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Key Features
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Design:
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Sleek, aerodynamic styling, Audi's signature Singleframe grille, advanced lighting technology
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Technology:
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Optional MMI (Multi Media Interface), advanced driver assistance systems, Quattro all-wheel drive
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Value Proposition
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Manual Value:
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Cost-effective alternative to dealership service, empowering DIY repairs and maintenance
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Manual Coverage
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Systems Covered
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Powertrain:
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Engine Mechanical, Engine Management, Fuel System, Exhaust System, Drivetrain (Transmission, Axles, Differentials)
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Chassis:
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Suspension (Front & Rear), Steering System, Braking System (Hydraulic & Electronic)
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Electrical:
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Body Electrical Systems, Lighting, Instrumentation, Infotainment, Engine Control Module (ECM), Transmission Control Module (TCM), Anti-lock Braking System (ABS), Electronic Stability Control (ESC), Airbag System (SRS), Climate Control Electronics
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Body:
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Body Exterior Panels, Doors, Hood, Trunk, Glass, Interior Trim, Seating
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Procedures Included
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Maintenance:
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Routine Service, Oil Changes, Filter Replacements, Fluid Checks and Changes, Spark Plug Replacement, Brake Pad/Rotor Service
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Repair:
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Engine Component Repair/Replacement, Transmission Overhaul/Replacement, Suspension Component Repair/Replacement, Brake System Repair, Steering System Repair, Electrical Component Troubleshooting and Replacement, Body Panel Repair
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Diagnostics:
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Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting, Component Testing, Electrical Circuit Diagnosis
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Technical Depth
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Depth:
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Factory-Level Detail, Comprehensive Diagnostics, Component-Level Repair, Reassembly Procedures, Torque Specifications, Special Tool Requirements
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Engine Specifications
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Primary Engine
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Engine Code:
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2.0 TFSI (Common variant for 2008 model year)
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Engine Type:
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Inline 4-Cylinder, Turbocharged, Direct Injection
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Displacement:
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1984 cc (2.0 Liters)
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Bore X Stroke:
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82.5 mm x 92.8 mm
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Performance
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Horsepower:
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Approx. 200 hp @ 5100-6000 rpm
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Torque:
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Approx. 207 lb-ft (280 Nm) @ 1700-4300 rpm
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Fuel System
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Fuel Delivery:
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Direct Fuel Injection (FSI)
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Fuel Type:
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Premium Unleaded Gasoline (91 AKI or higher recommended)
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Cooling System
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Coolant Type:
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G12 EVO (Purple) or equivalent long-life coolant
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Engine Oil
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Oil Type:
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SAE 5W-40, VW 502 00 / 505 00 specification (or as per vehicle sticker)
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Maintenance
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Service Intervals
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Oil Change Interval:
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Typically 10,000 miles or 1 year, whichever comes first (flexible service system). Consult manual for specific interval based on driving conditions.
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Spark Plug Replacement:
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Approximately every 40,000-60,000 miles for iridium-tipped plugs, but check manual for exact recommendation.
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Brake Fluid Change:
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Every 2 years, regardless of mileage.
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Fluid Specifications
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Power Steering Fluid:
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VW G 004 000 M2 (or equivalent Pentosin CHF 11S)
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Windshield Washer Fluid:
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Approved washer fluid concentrate or de-ionized water
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Known Issues
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Common Wear Items:
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PCV valve, ignition coils, oil leaks (valve cover, oil pan), water pump, thermostat, timing chain tensioners (on some early TFSI engines)
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Electrical Gremlins:
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Potential for sensor failures, CAN bus communication issues, or module malfunctions
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Suspension Components:
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Control arm bushings, ball joints, and sway bar links can wear over time due to the sophisticated multi-link suspension
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