🏷️ Basic Information Identification Make: Porsche Model: 911 Generation: 964 Model Years Covered: 1989, 1990, 1991, 1992, 1993 Codes Chassis Code: 964 👋 Introduction Market Position Segment: Luxury Sports Car Target Customer: Performance Enthusiasts, Collectors Competitive Analysis Competitors Era: Ferrari Testarossa, Lamborghini Countach, Lotus Esprit Turbo Key Features Manual Advantage: Provides factory-level insights for DIY or professional repair, saving costs and ensuring correct procedures. Vehicle Significance: The 964 marked a significant evolution of the iconic 911, introducing a more modern platform and technology while retaining its core identity. 📋 Manual Details Coverage Areas Primary Coverage: Repair and Service Secondary Coverage: Maintenance, Diagnostics, Disassembly, Assembly, Cleaning, Reinstallation Page Count Estimated Page Count: Refer to Factory Service Manual (typically extensive for this era) Manual Type Type: Repair Service Manual Intended Audience: Professional Technicians and Experienced DIY Mechanics Language Language: English Format Digital Format: PDF Delivery Method: Instant Download Software Requirements: Adobe PDF Reader, WinZip Operating System Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Powertrain: Engine Mechanical (3.6L M64 Flat-Six), Fuel System, Ignition System, Exhaust System, Engine Management Drivetrain: Transmission (G50 Manual, Tiptronic Optional), Clutch, Drive Axles, Differential Suspension Steering: Front Suspension (McPherson Struts), Rear Suspension (Trailing Arms), Power Steering System, Wheel Alignment Specifications Brakes: Front and Rear Disc Brakes, ABS (Anti-lock Braking System) - likely for models equipped Electrical: Wiring Diagrams, Lighting System, Battery, Charging System, Starting System, Fuses and Relays, Ignition Switch, Instrument Cluster Body Chassis: Body Panels, Doors, Hood, Trunk, Glass, Interior Trim, Seals HVAC: Heating, Ventilation, and Air Conditioning System Comfort Convenience: Power Windows, Power Locks, Mirrors, Seats (if applicable) Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Service, Belt Inspections Troubleshooting: Diagnostic Charts, Common Problems and Solutions Repair: Component Removal and Installation, Engine Rebuilding, Transmission Overhaul, Brake System Repairs, Electrical System Troubleshooting Specifications: Torque Specifications, Tolerances, Fluid Capacities, Electrical Values Technical Depth Depth: Comprehensive - from routine maintenance to major component overhaul and diagnostics. Documentation Type: Factory-level detail for mechanical and electrical systems. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Fully Printable Zoom Functionality: Zoom IN/OUT Enabled Binding Type Binding: Digital (Downloadable) Paper Type Paper: Not Applicable (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Flat-Six (Boxer) Displacement: 3.6 Liters (3600 cc) Engine Code Range: M64/01 (Carrera 2), M64/02 (Carrera 4), M64/50 (Carrera RS) Performance Horsepower Range: Approximately 250 hp (Carrera 2) to 320 hp (Carrera RS) Torque Range: Approximately 310 Nm (Carrera 2) to 360 Nm (Carrera RS) Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (Premium) Cooling System Cooling Type: Air-Cooled (Fan forced induction) with Oil Cooler 🔧 Transmission Standard Type: 5-Speed Manual (G50 gearbox) Optional Type: 4-Speed Tiptronic Automatic (Optional on Carrera 2) Features All Wheel Drive: Available on Carrera 4 models 📐 Dimensions Exterior Length: Approx. 4250 mm (167.3 in) Width: Approx. 1775 mm (69.9 in) Height: Approx. 1310 mm (51.6 in) Weights Curb Weight: Approx. 1350-1450 kg (2976-3197 lbs) depending on model and options 🛡️ Safety Features Ratings Crash Test Data: Era-specific safety standards; detailed modern crash test data may be limited. Active Features ABS: Available on many models Passive Features Airbags: Driver Airbag standard from 1990 onwards, Passenger Airbag optional. Seatbelts: Three-point inertia reel seatbelts 💡 Technology Features Infotainment Head Unit: Original units often featured cassette players, with early CD integration in later models. Many owners upgrade. Driver Assistance ABS: Standard on Carrera 4, optional on Carrera 2. Connectivity Original Features: Limited by modern standards; focus on core driving experience. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 12,000-15,000 miles or 1 year. Refer to manual for precise interval. Major Service Interval: Variable, often around 30,000-60,000 miles for major tune-ups and component checks. Manual is crucial. Fluid Specifications Engine Oil: Porsche A40 approved, typically 5W-40 or 0W-40 synthetic. Consult manual for exact specification. Transmission Fluid: Specific gear oil (e.g., Mobilube PTX 75W-90 or equivalent). Refer to manual for G50 transmission. Brake Fluid: DOT 4 or DOT 5.1. Check manual for specific type and change interval. Known Issues Valve Stem Seals: Can degrade over time, leading to oil consumption and blue smoke. Oil Cooler Leaks: Potential for leaks at fittings or hoses due to age and heat. Air Conditioning System: Older systems can be prone to refrigerant leaks and compressor issues. Conversion to modern refrigerants may be needed. Rear Main Seal: Can develop leaks, requiring transmission removal for replacement. Heater Boxes: Flappers can seize or break, affecting heat distribution. Alternator Drive Belt: Regular inspection and replacement are critical to prevent overheating and electrical system failure. Fluid Capacities Engine Oil Capacity: Approx. 8.5 Liters (9 US Quarts) with filter change. Verify in manual. 📚 Vehicle History Brand Heritage Manufacturer: Porsche AG Iconic Status: The 911 is one of the most enduring and iconic...