🏷️ Basic Information Identification Make: Porsche Model: 911 Carrera / Carrera 4 Chassis Code: 964 Model Years Covered: 1989, 1990, 1991, 1992, 1993 Codes Engine Codes Typical: M64.01, M64.02, M64.03, M64.04 👋 Introduction Market Position Positioning: The Porsche 911 964 generation represented a significant evolution, blending classic 911 design with modern engineering, making it a desirable modern classic. This manual is essential for owners and technicians servicing these iconic vehicles. Competitive Analysis Competitors: Ferrari 348, Chevrolet Corvette C4, Lotus Esprit Key Features Vehicle Highlight: The 964 generation was the first 911 to offer Tiptronic automatic transmission and all-wheel drive (Carrera 4). Manual Value Proposition: Provides factory-level diagnostic and repair information, empowering DIY enthusiasts and professional mechanics to maintain and restore the 964 with confidence. 📋 Manual Details Coverage Areas Primary Coverage: Full Service, Repair, Maintenance, Diagnostics, Troubleshooting Additional Coverage: Electrical Schematics, Bodywork, Specifications Page Count Estimated Page Count: 1000+ Manual Type Type: Factory Service Manual / Workshop Manual Source: Original Factory Service Manual Language Language: English Format Digital Format: PDF Compatibility Operating Systems: Windows 95, 98, ME, XP, Vista, 7; Linux; MAC OS. 📖 Manual Coverage Systems Covered Powertrain: Engine (M64 variants), Fuel System, Ignition System, Exhaust System, Cooling System Transmission Drivetrain: G50 5-Speed Manual Transmission, Tiptronic Automatic Transmission (if applicable), Clutch System, Driveshafts, Differential Suspension Steering: Front Suspension (Coil Springs, Torsion Bars, Control Arms), Rear Suspension (Trailing Arms, Spring Plates), Shock Absorbers, Power Steering System Brakes: Hydraulic System, ABS (Anti-lock Braking System), Brake Discs, Calipers, Pads, Lines Electrical Electronics: Battery, Alternator, Starter Motor, Lighting Systems, Ignition Switch, Fuses, Relays, Engine Control Unit (ECU), DME (Digital Motor Electronics), Instrument Cluster, Wiper System, Power Windows Body Chassis: Body Panels, Doors, Hood, Trunk, Bumpers, Chassis Structure, Sealing, Paintwork Procedures (general guidance) HVAC: Air Conditioning System, Heating System, Ventilation Fuel Pump Replacement: Detailed instructions for accessing and replacing the fuel pump assembly. Schematics Depth: Comprehensive wiring diagrams for all major systems, including engine management, lighting, comfort features, and power accessories. Procedures Included Maintenance: Oil Changes, Filter Replacements (Oil, Air, Fuel), Spark Plug Replacement, Brake Fluid Flush, Coolant Flush, Belt Inspection/Replacement Diagnostics Troubleshooting: Fault Code Diagnosis (DME), System Checks, Symptom-Based Troubleshooting Guides Repair Rebuild: Engine Top-End Rebuild, Engine Complete Rebuild, Transmission Removal/Installation/Rebuild, Clutch Replacement, Brake Caliper Overhaul, Suspension Component Replacement, Electrical Component Repair Calibration Adjustment: Valve Clearance Adjustment, Idle Speed Adjustment, Steering Wheel Alignment Checks Body Repair: Panel alignment, door and window sealing, bumper repair/replacement, rust prevention/repair guidance. Specific Diagnostics: Detailed procedures for diagnosing DME faults using diagnostic tools and interpreter codes. Troubleshooting electrical circuits, fuel delivery issues, and ignition problems. Technical Depth Depth: Comprehensive: From basic routine maintenance to in-depth mechanical and electrical diagnostics and component overhauls. 📊 Manual Specifications File Format PDF Quality: High-Resolution Scans, Searchable Text (OCR) Printable: Yes, pages are generally formatted for printing. Print Quality Print Quality: N/A (Digital Format) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated, Air-Cooled Flat-Six (M64) Displacement: 3.6 Liters (3600 cc) Performance Horsepower Range: 250 PS (247 hp) to 272 PS (268 hp) depending on model and year Torque Range: 310 Nm (229 lb-ft) to 330 Nm (243 lb-ft) depending on model and year Fuel System Fuel Delivery: Bosch Motronic M2.3, M2.4, or M2.7 Electronic Fuel Injection Fuel Type: Unleaded Gasoline Cooling System Cooling Method: Air-Cooled with Oil Cooling Circuit Lubrication Oil Capacity Approx: 8.5 - 9.0 Liters (with filter) 🔧 Transmission Standard Standard Transmission: G50 5-Speed Manual Optional Optional Transmission: Tiptronic (4-Speed Automatic with Manual Override) Features Drivetrain Options: Rear-Wheel Drive (Carrera) and All-Wheel Drive (Carrera 4) Fluid Specifications Manual Transmission Fluid Type: GL-5 Gear Oil, SAE 75W-90 (typically Pentosin or equivalent) Automatic Transmission Fluid Type: Dexron III or equivalent (for Tiptronic) 📐 Dimensions Exterior Wheelbase Mm: 2272 Length Mm: 4250 Width Mm: 1775 Height Mm: 1310 Weights Curb Weight Kg Approx: 1450-1550 (depending on model) Wheels Tires Wheel Bolt Pattern: 5x130 Front Tire Size Typical: 205/55 R16 Rear Tire Size Typical: 245/45 R16 🛡️ Safety Features Ratings Crash Test Data: Limited official crash test data available for this era compared to modern standards. Design focused on driver protection within the chassis structure. Active Features Active Safety: Anti-lock Braking System (ABS), Optional All-Wheel Drive (Carrera 4) Passive Features Passive Safety: Reinforced Chassis, Crumple Zones, Three-point Seatbelts, Optional Airbags (driver side from 1990 onwards) 💡 Technology Features Infotainment Infotainment System: Basic radio/cassette systems from the era. Factory options included premium sound systems and CD changers. Driver Assistance Driver Assistance Features: ABS (Anti-lock Braking System) was the primary advanced feature. No modern electronic stability control or adaptive cruise control. Connectivity Connectivity Features: None by modern standards. Factory provisions for optional phone systems existed. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 km (6,000 miles) or 12 months, whichever...