🏷️ Basic Information Identification Make: Porsche Model: 964 Year: 1989-1993 Codes Internal Model Code: 964 👋 Introduction Market Position Positioning: The Porsche 964 represented a significant evolution from the 930 (911 Turbo) and the outgoing naturally aspirated 911 models, blending classic 911 aesthetics with modern engineering, including a new naturally aspirated engine and optional AWD. It was positioned as a premium sports car for discerning drivers. Competitive Analysis Competitors: Ferrari 348, Lotus Esprit, Chevrolet Corvette C4 ZR-1, Nissan 300ZX (Z32), Toyota Supra (Mk III) Key Features Design Evolution: Rounded bodywork incorporating integrated bumpers, pop-up spoiler (later models), and significantly revised aerodynamics compared to previous 911 generations. Powertrain Innovation: Introduction of the M64 engine, a 3.6-liter flat-six with coil-spring valves, significantly improving performance and reliability over older air-cooled units. Introduction of the Tiptronic automatic transmission. Manual Value Proposition Benefit To Owner: Empowers owners to perform detailed maintenance and repairs, saving on dealership costs and fostering a deeper understanding of their classic Porsche. 📋 Manual Details Coverage Areas Covered Models: Porsche 964 (1989-1993) Engine Variants Covered: 3.6L M64/01 (Carrera 2), 3.6L M64/01 (Carrera 4), 3.6L M64/50 (Turbo) Page Count Estimated Page Count: Refer to original Porsche documentation (typically extensive, hundreds of pages for comprehensive coverage) Manual Type Type: Service Repair Factory Manual Language Language: English Format Format: PDF Compatibility: All Versions of Windows & Mac Requirements: Adobe PDF Reader 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, overhaul, fuel injection (Motronic), ignition, lubrication, cooling systems Transmission: Manual (G50) and Tiptronic transmission servicing, repair, and adjustments Drivetrain: Front and rear axle, differential, driveshafts, AWD system (Carrera 4) Suspension: Front and rear suspension components, alignment, shock absorbers, springs, sway bars Brakes: Hydraulic system, ABS, brake pads, discs, calipers, bleeding procedures Steering: Power steering system, steering rack, column, alignment Electrical System: Wiring diagrams, fuses, relays, lighting, battery, alternator, starter, ignition, Motronic ECU, instrumentation Fuel System: Fuel pump, injectors, fuel lines, fuel tank, evaporative emissions control Bodywork: Body panel removal/installation, doors, hood, trunk, bumpers, glass, interior trim HVAC: Heating, ventilation, and air conditioning system components and servicing Safety Systems: Seat belts, airbags (if applicable to specific models/regions) Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, belt inspection/replacement Troubleshooting: Diagnostic procedures for common and uncommon faults across all major systems Repair Overhaul: Step-by-step instructions for major component repairs and full engine/transmission overhauls Adjustments: Valve adjustments, clutch adjustments, idle speed settings, alignment procedures Electrical Diagnostics: Interpreting wiring diagrams, testing circuits, component testing, ECU diagnostics Rigging Information: Procedures for lifting and supporting the vehicle for safe maintenance and repair Technical Depth Depth: Comprehensive factory-level repair and maintenance procedures suitable for professional technicians and experienced enthusiasts Searchability: Zoomable PDF allows for clear viewing of diagrams and text; search function enhances usability 📊 Manual Specifications File Format Format: PDF Quality: High-resolution, zoomable for clarity Print Quality Printability: Pages are printable for physical reference Binding Type Type: Digital (PDF) Paper Type Digital Equivalent: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Flat-Six (Air-Cooled with Oil Cooler) Displacement: 3.6 Liters (3600 cc) Engine Code Naturally Aspirated: M64/01 Engine Code Turbocharged: M64/50 (Turbocharged) Performance Horsepower Naturally Aspirated: Approx. 250 hp @ 6100 rpm (Carrera 2/4) Torque Naturally Aspirated: Approx. 228 lb-ft (310 Nm) @ 4800 rpm (Carrera 2/4) Horsepower Turbocharged: Approx. 320 hp @ 5750 rpm (964 Turbo) Torque Turbocharged: Approx. 332 lb-ft (450 Nm) @ 4500 rpm (964 Turbo) Fuel System Fuel Delivery: Bosch Motronic DME (Digital Engine Electronics) with multi-point fuel injection Fuel Type: Unleaded Gasoline (Premium Octane) 🔧 Transmission Standard Type: 5-speed Manual (G50 transaxle) Optional Type: Tiptronic 4-speed Automatic Features Clutch Type: Hydraulically operated single-plate dry clutch Gear Ratios: Specific ratios vary by model (Carrera 2, Carrera 4, Turbo) and are detailed in the manual. 📐 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. 1470 kg (3240 lb) for Carrera 2, approx. 1550 kg (3417 lb) for Carrera 4 🛡️ Safety Features Ratings Crash Test Data: Data from period testing is available; the manual will reference safety system components. Active Features ABS: Standard Anti-lock Braking System (ABS) AWD: Optional all-wheel-drive system (Carrera 4) Passive Features Seatbelts: Three-point inertia reel seatbelts Rollover Protection: Integral roll cage structure within the body, particularly noticeable with the Targa and Cabriolet models. 💡 Technology Features Infotainment Audio System: Factory-installed Porsche CDR-21 or similar optional audio systems available. Manual may cover basic wiring/installation. Driver Assistance ABS: Standard Anti-lock Braking System (ABS) is a key technological feature. Connectivity Original Connectivity: Limited by era; primarily focused on analog systems and basic diagnostic ports. 🔧 Maintenance Service Intervals Oil Change: Typically every 7,500-10,000 miles or annually, depending on usage. The manual provides precise recommendations. Major Service: Significant service items often recommended at 30,000-60,000 mile...