🏷️ Basic Information Identification Make: Porsche Model: 911 (997) Year: 2004 Generation Generation Code: 997.1 👋 Introduction Market Position Target Audience: Porsche 997 owners, DIY enthusiasts, professional mechanics Value Proposition: Inexpensive way to keep vehicle working properly, comprehensive repair resource Key Features Content Highlight: Hundreds of pages of detailed information, photos, illustrations, and diagrams Navigation: Numbered table of contents for fast information retrieval Instructional Style: Numbered instructions, bold figure numbers for matching illustrations 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service Repair Scope: Complete official full factory service repair manual Styles Covered: All Styles Page Count Estimated Page Count: Hundreds of pages (printable) Manual Type Type: Service Manual / Repair Manual Language Language: English Format File Format: PDF Delivery Method: Download Platform Compatibility: PC (Windows OS), Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Engine Service / Repair Engine Management: Engine Control System Fuel System: Fuel Injection, Fuel System Transmission: Transmission Service / Repair Drivetrain: Differential / Drive, Axle Brakes: Brake System Suspension Steering: Suspension, Steering Cooling Heating Ac: Cooling System, Heater/ Air Conditioner Electrical Electronics: Electrical System, Wiring Diagram Chassis Body: Chassis / Body Interior Restraints: Interior, Restraint System Emissions: Emission System Procedures Included Maintenance: General Maintenance, Periodic Lubrication Troubleshooting: Troubleshooting Repair Methodology: Step-by-step instructions based on complete disassembly Diagnostics: Diagnose and repair problems with electrical system Technical Depth Depth: Comprehensive: Do-it-yourselfer to experienced mechanic Detail Level: Detailed substeps, notes, cautions, warnings Illustrations: Hundreds of photos and illustrations, detailed drawings, enlarged insets 📊 Manual Specifications File Quality Print Quality: High quality, printable without restriction Readability: Searchable text (implied by PDF format) Binding Type Type: Digital Download (printable to physical) Paper Type Type: N/A (Digital) Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Code Hint: While not explicitly stated for the 2004 model year, the 997.1 generation typically featured the M97 engine family. This manual would likely cover variants such as the Carrera (3.6L) and Carrera S (3.8L). Performance Horsepower Range Hint: 320-355 hp (estimated for initial 997.1 models) Torque Range Hint: 273-295 lb-ft (estimated for initial 997.1 models) Fuel System Injection Type: Multi-point Fuel Injection (MPI) / Direct Fuel Injection (DFI) in later variants of 997.1, manual should detail specific system. Cooling System Type: Water-cooled (unlike previous air-cooled generations) Lubrication System: Dry-sump lubrication system (critical for performance and track use) 🔧 Transmission Standard Type: 6-speed Manual Transmission (GT3 and some Carrera models) Optional Type: 5-speed Tiptronic S (automatic transmission) Features Clutch Type: Dual-mass flywheel, hydraulic clutch actuation Fluid Specifications Manual Transmission Fluid: Refer to manual for specific Porsche-approved gear oil (e.g., Mobilube PTX or equivalent) Tiptronic Transmission Fluid: Refer to manual for specific ATF fluid type (e.g., Porsche ATF LT71141 or equivalent) 📐 Dimensions Exterior Length Hint: Approx. 4427-4435 mm Width Hint: Approx. 1801 mm (excluding mirrors) Height Hint: Approx. 1300-1317 mm Weights Curb Weight Hint: Approx. 1450-1550 kg Gross Vehicle Weight Rating Hint: Refer to manual for specific GVWR by model variant 🛡️ Safety Features Ratings Crash Test Results: NCAP and IIHS ratings for the 997 generation typically showed high levels of occupant protection, manual will detail relevant data. Active Features Stability Control: Porsche Stability Management (PSM) Traction Control: ASR (Anti-Slip Regulation) Passive Features Airbags: Front, side, and head airbags Seatbelts: Three-point inertia-reel seat belts with belt tensioners and belt force limiters Restraint System Details: Covered in detail within the 'Restraint System' section of the manual 💡 Technology Features Infotainment System Name: Porsche Communication Management (PCM) 2.0/2.1 (standard or optional) Features Hint: Navigation, CD player, radio, optional Bose sound system. Driver Assistance Features Hint: Features like PSM (Porsche Stability Management) and ABS (Anti-lock Braking System) are standard; advanced driver assistance systems were less common in early 997 models compared to modern vehicles. Connectivity Features Hint: Optional Bluetooth integration for phone calls was available. 🔧 Maintenance Service Intervals Minor Service: Typically annually or every 10,000-15,000 miles (refer to manual for exact Porsche schedule) Major Service: Typically every 2-3 years or 30,000-45,000 miles (includes spark plugs, brake fluid flush, etc., refer to manual) Fluid Specifications Engine Oil: Refer to manual for specific Porsche A40 or C30 approved synthetic engine oil (e.g., Mobil 1 0W-40 or 5W-40) Coolant: Glysantin G48 (or Porsche-approved equivalent) mixed with distilled water Brake Fluid: DOT 4 (or DOT 5.1 for high-performance applications, refer to manual) Known Issues Intermediate اهداف: IMS (Intermediate Shaft) bearing failure in some earlier models (prior to specific upgrades); potential for bore scoring in certain engine variants; coolant expansion tank leaks. Suspension Component: Wear on suspension bushings and control arms over time, especially with spirited driving. Electrical Component: E.g., Bose amplifier failure, window regulator issues. 📚 Vehicle History Brand Heritage Legacy: Continuation of the iconic Porsche 911 lineage, known for performance and engineering excellence. Model Evolution 997 Introduction: The 997 generation marked a significant design and engineering update over...