🏷️ Basic Information Identification Make: Porsche Model: 964 Model Generation: 964 (First Generation) Production Years Covered: 1989-1993 Codes Internal Chassis Code: 964 👋 Introduction Market Position Positioning: Iconic German sports car, successor to the 911 G-Series, bridging air-cooled to modern era. Competitive Analysis Competitors: Ferrari 348, Chevrolet Corvette C4 ZR-1, Lotus Esprit, Nissan 300ZX Z32. Key Features Design Philosophy: Evolutionary design with aerodynamic improvements, integrated bumpers, and wider bodywork compared to previous 911 generations. Mechanical Innovation: Introduction of the M64 engine, Tiptronic transmission option, and coil spring suspension replacing torsion bars. 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Target Audience: Professional Mechanics and DIY Enthusiasts Page Count Estimated Page Count: Extensive (Specific count not provided, described as comprehensive) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: 3.6L Flat-6 (M64/01, M64/02, M64/03, M64/04 variants) Engine Management: Motronic M2.1, M2.3, M2.5 fuel injection and ignition systems Transmission: G50 5-speed manual, Tiptronic automatic transmission Drivetrain: Rear-wheel drive (Carrera 2), All-wheel drive (Carrera 4) Suspension: Front: McPherson struts, Rear: Trailing arms, Coilovers, Hydraulic leveling (Carrera 4) Brakes: Four-wheel disc brakes, ABS (Anti-lock Braking System) Electrical System: 12V system, battery, alternator, starter, lighting, instrumentation, comfort features Body And Chassis: Body panels, structural components, doors, glass, interior trim Cooling System: Air-cooled engine with oil cooling system Exhaust System: Exhaust manifolds, catalytic converters, mufflers Fuel System: Fuel tank, fuel pump, fuel lines, injectors, pressure regulator Air Conditioning: R134a system, compressor, condenser, evaporator Procedures Included Maintenance: Oil changes, filter replacements, spark plug replacement, brake fluid flush, air filter service Troubleshooting: Diagnostic procedures for engine, transmission, electrical, and mechanical faults Repair: Engine rebuild, transmission overhaul, brake caliper rebuild, suspension component replacement Diagnostics: OBD (On-Board Diagnostics) procedures, fault code interpretation Adjustment: Valve adjustment, throttle body synchronization, headlight aiming Disassembly And Assembly: Complete step-by-step instructions for component removal and installation Technical Depth Depth: Comprehensive, covering basic maintenance to full engine and transmission rebuilds Detail Level: Step-by-step instructions with highly detailed exploded pictures and diagrams 📊 Manual Specifications File Format Format: PDF Searchable: Implied by PDF format, not explicitly stated as searchable text Print Quality Printability: Full Printable Zoom Capability: YES Binding Type Type: Digital Download (PDF) Paper Type N/A: Not Applicable (Digital Format) Delivery Method: Instant Download Requirements Software: Adobe PDF Reader & WinZip Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Code: M64 series (M64/01, M64/02, M64/03, M64/04) Configuration: Naturally Aspirated, Air-cooled Flat-6 (Boxer) Displacement: 3.6 liters (3600 cc) Performance Horsepower Range: 250-261 hp (depending on market and variant) Torque Range: 229-229 lb-ft (depending on market and variant) Fuel System Injection System: Bosch Motronic Fuel Injection and Ignition Fuel Type: Unleaded Premium Gasoline (91+ Octane) 🔧 Transmission Standard Type: G50 5-speed Manual Transaxle Optional Type: Tiptronic (Porsche's early semi-automatic with steering wheel buttons) Features Clutch Type: Hydraulic Single-Plate Dry Clutch 📐 Dimensions Exterior Length: Approx. 4255 mm (167.5 in) Width: Approx. 1775 mm (69.9 in) Height: Approx. 1310 mm (51.6 in) Weights Curb Weight: Approx. 1450-1550 kg (3197-3417 lbs) depending on model (Carrera 2/4, Coupe/Targa/Cabriolet) Gross Vehicle Weight Rating: Not explicitly stated, typical for performance cars 🛡️ Safety Features Ratings Crash Test Data: Limited official crash test data available for this era in modern standards. Active Features ABS: Standard on most models (Bosch ABS) Traction Control: Optional (ASR - Acceleration Slip Regulation) on some later models. Passive Features Airbags: Driver's side airbag standard from introduction. Seatbelts: Three-point inertia reel seatbelts. 💡 Technology Features Infotainment Audio System: Optional upgraded stereo systems (e.g., Porsche CR-210, Bose sound system). Navigation: Rarely factory-equipped; aftermarket units common. Driver Assistance ABS: Bosch Anti-lock Braking System Connectivity Bluetooth: Not factory-equipped; requires aftermarket installation. 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 miles or annually, whichever comes first. Check manual for specific intervals. Major Service: Every 15,000-30,000 miles, including spark plugs, belts, and comprehensive inspection. Fluid Specifications Engine Oil: Porsche A40, SAE 0W-40 or 5W-40 synthetic oil (check manual for precise specification and viscosity recommendation based on climate). Brake Fluid: DOT 4 Transmission Fluid: G50: GL-4 or GL-5 gear oil (viscosity depends on ambient temperature, e.g., 75W-90). Tiptronic: ATF fluid. Coolant: Not applicable (Air-cooled engine). Oil cooler circuit uses engine oil. Known Issues Engine Component: Valve guide wear, oil leaks (particularly from M64 engine seals), intermediate shaft bearing (IMS) failure (less common than later models but still a concern). Electrical Component: Window regulator failures, climate control unit issues, failing DME relays. Suspension Component: Worn control arm bushings, rear trailing arm bushings. Other: Fuel line deterioration, catalytic converter failure. 📚 Vehicle History Brand Heritage Heritage: Direct lineage from the legendary Porsche 911, renowned for engineering, performance, and racing pedigree. Model Evolution Evolution: The 964 marked a significant redesign of the 911, with over 80% of components...