🏷️ Basic Information Identification Make: Porsche Model: 911 (997) Model Variant: Carrera, Carrera S, Carrera 4, Carrera 4S, Targa 4, Turbo (all relevant 997 variants for 2004 model year) Year: 2004 Codes Chassis Code: 997 👋 Introduction Market Position Market Segment: High-performance luxury sports car. Competitive Analysis Competitors: Ferrari 360 Modena, Lamborghini Gallardo, Aston Martin V8 Vantage. Key Features Vehicle Philosophy: Evolutionary design, enhanced performance, improved comfort and usability compared to predecessor (996). Manual Value Proposition Target Audience: Porsche 997 owners, independent repair shops, DIY enthusiasts with technical inclination. 📋 Manual Details Coverage Areas Manual Type: Repair Service Manual Coverage Focus: Comprehensive mechanical and electrical repair, maintenance, and diagnostics. Page Count Page Count: Not specified, but described as comprehensive covering factory service manual and owner's manual topics. Language Language: English Format File Format: PDF Delivery Method: Instant Download Requirements: Adobe PDF Reader, WinZip Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical (disassembly, assembly, rebuild), lubrication, cooling, fuel delivery, ignition, emissions control, engine management (DME). Transmission Systems: Manual transmission, Tiptronic automatic transmission (if applicable to 2004 models), clutch system, drivetrain components (driveshafts, differentials). Chassis Systems: Suspension (front and rear), steering, brakes (hydraulic system, ABS, PSM), wheels and tires. Electrical Systems: Body electrical (lighting, wipers, windows, locks), comfort systems (HVAC, seats, audio), instrument cluster, diagnostic systems (OBD-II), power distribution, starter, alternator. Body And Interior: Body panels, doors, windows, bumpers, interior trim, airbags, seat belts. Procedures Included Maintenance: Routine maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement. Diagnostics: Troubleshooting guides, symptom-based diagnostics, fault code interpretation (DTCs), electrical circuit tracing. Repair: Step-by-step repair procedures for all major vehicle systems, component disassembly and reassembly, part replacement. Technical Specifications: Torque specifications, clearances, fluid capacities and types, electrical values, measurements. Technical Depth Depth: Suitable for professional technicians and advanced DIY enthusiasts with basic mechanical and electrical knowledge. 📊 Manual Specifications File Format Print Quality: Full Printable Zoom Functionality: YES (Zoom IN/OUT) Binding Type Binding Type: Digital Download (PDF) Paper Type Paper Type: N/A (Digital Format) Features Searchability: Implied by PDF format, enabling text search for specific terms. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Flat-Six (Boxer) Displacement Carrera: 3.6 Liters (3596 cc) Displacement Carrera S: 3.8 Liters (3824 cc) Performance Carrera Horsepower Carrera: 325 hp (239 kW) @ 6800 rpm Torque Carrera: 273 lb-ft (370 Nm) @ 4250 rpm Performance Carrera S Horsepower Carrera S: 355 hp (261 kW) @ 6600 rpm Torque Carrera S: 295 lb-ft (400 Nm) @ 4600 rpm Fuel System Fuel Injection: Multi-point fuel injection (MPI) with Bosch Motronic engine management. Engine Management Dme System: Digital Motor Electronics (DME) control unit. 🔧 Transmission Standard Standard Transmission: 6-speed manual transaxle Optional Optional Transmission: 5-speed Tiptronic S automatic transmission Features Clutch Type: Dry single-plate clutch (manual transmission) Fluid Specifications Manual Transmission Fluid: Refer to manual for specific Porsche approved gear oil (e.g., Pentosin, Mobil 1). Tiptronic Transmission Fluid: Refer to manual for specific Porsche approved ATF. 📐 Dimensions Exterior Length: Approx. 4427 mm (174.3 in) Width: Approx. 1801 mm (70.9 in) Height: Approx. 1303 mm (51.3 in) Wheelbase: Approx. 2350 mm (92.5 in) Weights Curb Weight Carrera: Approx. 1370 kg (3020 lbs) Curb Weight Carrera S: Approx. 1395 kg (3075 lbs) 🛡️ Safety Features Ratings Crash Test Ratings: While specific year ratings may vary by region, Porsche vehicles generally prioritize structural integrity and advanced safety systems. Refer to NHTSA/Euro NCAP for specific data. Active Features Active Safety Systems: Anti-lock Braking System (ABS), Porsche Stability Management (PSM), Traction Control System (TCS), optional Porsche Active Suspension Management (PASM). Passive Features Passive Safety Features: Front airbags, side airbags, head airbags, three-point seat belts with pre-tensioners, integrated rollover protection. 💡 Technology Features Infotainment Infotainment System: Porsche Communication Management (PCM) with CD player, optional navigation, and analog/digital radio. Driver Assistance Driver Assistance Features: ParkAssist (parking sensors), Cruise Control, optional Tiptronic S with paddle shifters. Connectivity Connectivity Options: Optional Bluetooth hands-free interface. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 10,000 miles or 1 year, but consult manual for exact Porsche recommendations and driving conditions. Major Service Interval: Often around 30,000 miles or 3 years, encompassing spark plugs, filters, and fluid changes. Fluid Specifications Engine Oil Type: Full synthetic, Porsche A40 or C30 approved (e.g., Mobil 1 0W-40 or 5W-40, check manual for specific variant). Capacity approx. 8.5 liters. Coolant Type: G12++ or equivalent ethylene glycol-based coolant. Brake Fluid Type: DOT 4 (e.g., Porsche Brake Fluid 00004320322). Known Issues Intermediate Imbalance Shaft: Potential for intermediate bearing failure (IMS) in certain early 997 models; manual would detail inspection and potential remedies. Dme Errors: Potential for various engine control module (DME) fault codes; manual provides diagnostic steps. Tire Specifications Front Tire Size: e.g., 235/35 ZR19 Rear Tire Size: e.g., 295/30 ZR19 (varies by model variant)...