🏷️ Basic Information Identification Make: Porsche Model: 911 (997 Generation) Generation Generation Designation: 997 Production Years: 2004-2009 Codes Chassis Code: 997 👋 Introduction Market Position Positioning: High-performance sports car, flagship GT model for Porsche Competitive Analysis Competitors: Ferrari F430, Lamborghini Gallardo, Aston Martin DB9, Mercedes-Benz SLR McLaren Key Features Design Philosophy: Evolutionary design from the 996 generation, focusing on improved aerodynamics, ergonomics, and performance. Introduction of the 'Porsche Active Aerodynamics' (PAA) on Turbo and GT models. Performance Variants: Significant differentiation between Carrera models and high-performance GT and Turbo variants, offering distinct engine options, suspension tuning, and aerodynamic packages. Manual Value Value Proposition: Provides professional-level diagnostic, repair, and maintenance information enabling owners and independent workshops to maintain and service these complex vehicles. 📋 Manual Details Coverage Areas Models Covered: Carrera 2, Carrera 4, Carrera S, Carrera 4S, Turbo, GT2, GT3, GT3 RS, Cabriolet variants Page Count Estimated Page Count: Extensive (hundreds of pages) Manual Type Manual Type: Factory Service Repair Workshop Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, lubrication, cooling, fuel, exhaust, engine management (DME), ignition, emissions control Transmission: Manual transmission (G97), Tiptronic automatic transmission (A97), PDK dual-clutch transmission (for later 997.2 models, but manual covers pre-PDK era) Drivetrain: All-wheel drive system (PTM - Porsche Traction Management), rear axle, front axle (for AWD models), differentials, drive shafts, axles Suspension Steering: Front and rear suspension components, shock absorbers, springs, control arms, anti-roll bars, power steering system, steering rack Brakes: Brake system hydraulics, ABS (Anti-lock Braking System), PSM (Porsche Stability Management), brake discs, calipers, pads, parking brake Electrical Electronics: Vehicle electrical system, battery, charging system, starter, lighting, instrumentation, infotainment, comfort electronics, CAN bus communication, DME control units, ECU diagnostics Body Chassis: Body construction, exterior panels, doors, hood, trunk, convertible top mechanism (for Cabriolet), interior trim, airbags, seat belts, chassis components Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, brake pad/disc service, battery maintenance Troubleshooting: Diagnostic procedures for common faults, fault code interpretation, electrical system diagnostics, mechanical component troubleshooting Repair: Step-by-step repair instructions for all major mechanical, electrical, and body components, including engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs, electrical component diagnosis and replacement Technical Specifications: Torque specifications, clearances, tolerances, fluid capacities, electrical specifications, diagnostic parameters Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds, detailed electrical system diagnostics) 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Printable (single pages or entire manual) Binding Type Binding Type: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) Licensing Usage License: Lifetime use on unlimited devices, no expiry Compatibility Operating Systems: Windows and macOS compatible Features Searchability: Searchable text within the PDF document ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Boxer (Flat-six) and Twin-Turbocharged Boxer (Flat-six) Performance Carrera Engine Variants: 3.6L (Carrera), 3.8L (Carrera S, Carrera 4S) Gt2 Engine Variant: 3.6L Twin-Turbocharged Flat-six Gt3 Engine Variant: 3.6L Naturally Aspirated Flat-six (Motorsport-derived) Turbo Engine Variant: 3.6L Twin-Turbocharged Flat-six Horsepower Range: 320 hp (Carrera) to 530 hp (GT2 RS) Torque Range: 273 lb-ft (Carrera) to 516 lb-ft (GT2 RS) Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Engine Management ECU Type: Bosch Motronic (specific variant dependent on model and year) 🔧 Transmission Standard Standard Transmission: 6-Speed Manual (G97) Optional Optional Transmission: 5-Speed Tiptronic Automatic (A97) Features Clutch Type: Single dry-plate clutch (manual), torque converter (Tiptronic) Gear Ratios: Specific to each model variant (detailed in manual) 📐 Dimensions Exterior Wheelbase: Approx. 2350 mm (92.5 in) Length: Approx. 4427 mm - 4470 mm (174.3 in - 176.0 in) depending on model Width: Approx. 1808 mm - 1852 mm (71.2 in - 72.9 in) depending on model Height: Approx. 1285 mm - 1310 mm (50.6 in - 51.6 in) depending on model Weights Curb Weight: Approx. 1450 kg - 1600 kg (3197 lbs - 3527 lbs) depending on model and configuration 🛡️ Safety Features Ratings Crash Test Results: Generally excellent structural integrity and safety performance, though specific official ratings vary by region and year. Active Features Stability Control: Porsche Stability Management (PSM) standard on most models Traction Control: Porsche Traction Management (PTM) on AWD models Passive Features Airbags: Frontal, side, and head airbags (depending on model and options) Seat Belts: Three-point inertia-reel seat belts with pre-tensioners and belt force limiters 💡 Technology Features Infotainment Porsche Communication Management PCM: PCM system with integrated navigation, radio, CD player, and optional Bluetooth connectivity. Driver Assistance Parking Assist: Optional parking sensors (front and rear) Cruise Control: Standard cruise control Connectivity Bluetooth Interface: Optional Bluetooth interface for hands-free calling and audio streaming. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 - 15,000 miles or annually, whichever comes first (dependent on driving conditions, refer to manual for specifics). Major Service Interval: 30,000 or...