🏷️ Basic Information Identification Make: Porsche Model: 911 Year: 2004 Codes Chassis Code: 996 Platform: 996 👋 Introduction Market Position Target Audience: Porsche enthusiasts, independent repair shops, DIY mechanics with advanced skills Competitive Analysis Authenticity: Officially licensed, ensuring accuracy and completeness compared to aftermarket alternatives Key Features Data Accuracy: Utilizes factory data and specifications for precision Accessibility: Digital format provides quick access to information without the bulk of printed manuals 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair Page Count Estimated Pages: Thousands (digital format, full coverage) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Digital Software (likely PDF or proprietary executable) 📖 Manual Coverage Systems Covered Engine: All major engine components, lubrication, cooling, fuel, ignition, emissions, engine management Transmission: Manual and Tiptronic (automatic) transmission systems, clutch, drivetrain Brakes: Hydraulic system, ABS, traction control, brake pad and rotor replacement, caliper service Suspension And Steering: Front and rear suspension components, shock absorbers, springs, bushings, steering rack, power steering Electrical Systems: Wiring diagrams, battery, charging system, starting system, lighting, fuses, relays, ECUs, comfort systems Body And Chassis: Body panels, doors, windows, seats, interior trim, structural components, chassis alignment HVAC: Heating, Ventilation, and Air Conditioning systems Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement Troubleshooting: Diagnostic procedures, fault code interpretation, symptom-based troubleshooting guides Repair: Component removal and installation, system repairs, rebuild procedures Diagnostics: Use of diagnostic tools, DME (Digital Motor Electronics) system diagnostics, sensor testing Technical Depth Depth: Expert level, covering all aspects from routine maintenance to major overhauls and diagnostics Detail Level: Detailed step-by-step instructions, torque specifications, special tool requirements 📊 Manual Specifications File Format Compatibility: Requires compatible operating system (Windows recommended for older software) Print Quality Printability: Printable sections for in-garage use Binding Type Digital Format Advantage: Searchable text, instant access, zoom capabilities Paper Type Digital Medium: Electronic distribution, not a physical book ⚙️ Engine Specifications Primary Engine Engine Type: Flat-6 (Boxer), Naturally Aspirated (standard models) Displacement Liters: 3.6 Bore X Stroke Mm: 100.0 x 78.0 Compression Ratio: 11.0:1 Performance Horsepower Ps Rpm: 320 PS @ 6,800 rpm (Carrera), 355 PS @ 7,400 rpm (Carrera 4S) Torque Lb Ft Rpm: 273 lb-ft @ 4,250 rpm (Carrera), 295 lb-ft @ 4,600 rpm (Carrera 4S) Fuel System Fuel Delivery: Sequential multi-point fuel injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management Dme System: Bosch Motronic ME 7.8 Emission Control: Catalytic converters, secondary air injection system, evaporative emission control (EVAP) 🔧 Transmission Standard Type: 6-speed manual transmission Optional Type: Tiptronic S (5-speed automatic with manual shifting mode) Features Clutch: Hydraulically operated, single-plate dry clutch Gear Ratios Manual: Specific ratios vary by model variant (e.g., Carrera, Carrera S), detailed in manual Fluid Specifications Manual Transmission Fluid: Pentosin ATF 722.9 or equivalent API GL-4/GL-5 specification (check manual for exact P/N) Tiptronic Transmission Fluid: Porsche ATF 000 043 205 28 or equivalent (specific to 5-speed Tiptronic) 📐 Dimensions Exterior Length Mm: 4,435 Width Mm: 1,770 Height Mm: 1,300 Wheelbase Mm: 2,353 Weights Curb Weight Kg: 1,320 - 1,450 kg (depending on configuration) Gross Vehicle Weight Rating Kg: 1,780 - 1,880 kg (depending on configuration) Cargo Trunk Volume Liters: 105 (front trunk), 225 (rear trunk/frunk combined) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver and Passenger) IIHS Side Impact: Good Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Porsche Stability Management (PSM) Brake Assist: Standard Passive Features Airbags: Frontal airbags, side airbags (door-mounted) Seatbelts: 3-point inertia-reel seat belts with pretensioners and load limiters Roll Over Protection: Integrated roll-over protection system for convertible models (standard) 💡 Technology Features Infotainment Head Unit: PCM (Porsche Communication Management) optional, featuring navigation, radio, CD player Audio System: Bose High-End Sound System optional Driver Assistance Cruise Control: Standard Parking Assist: Optional ParkAssist (rear parking sensors) Connectivity Telematics: Optional telematics system for emergency services and vehicle diagnostics 🔧 Maintenance Service Intervals Oil Change Interval: 15,000 miles or 12 months, whichever comes first (or as per specific DME recommendations) Major Service Interval: 30,000 miles or 24 months (includes spark plugs, filters, etc.) Fluid Specifications Engine Oil Type: Mobil 1 0W-40 Synthetic (Porsche A40 approved) or equivalent Coolant Type: Glysantin G48 (Porsche approved antifreeze) or equivalent ethylene glycol-based coolant Brake Fluid Type: DOT 4 (Porsche specified, e.g., Pentosin DOT 4) Known Issues Intermediate Shaft Bearing (Ims): A known potential failure point for some earlier 996 models, though less prevalent in later production and the 3.6L engine. Manual details inspection and potential preventative measures. Rear Main Seal Leak: Can occur with age and mileage. Manual provides procedures for diagnosis and replacement. Cooling System Leaks: Potential for leaks from hoses, radiators, or water pump. Manual covers system pressure testing and component replacement. Variocam System: Potential for wear on variocam pads or chain tensioners....