🏷️ Basic Information Identification Make: Porsche Model: 911 Carrera 4 / 911 Carrera 2 Model Generation: 964 Production Years Covered: 1989-1993 Chassis Codes: 964 Carrera 2 (RWD), 964 Carrera 4 (AWD) 👋 Introduction Market Position Vehicle Segment: High-performance luxury sports car. Target Audience: Enthusiasts, collectors, and owners seeking to maintain or repair their Porsche 964. Competitive Analysis Contemporaries: Ferrari 348, Lotus Esprit, Chevrolet Corvette C4. Key Features Powertrain Options: Rear-wheel-drive (Carrera 2) and All-wheel-drive (Carrera 4) configurations. Engine Type: Naturally aspirated air-cooled flat-six (M64 engine). Transmission Options: 5-speed manual (G50) and optional 4-speed Tiptronic automatic. 📋 Manual Details Coverage Areas Manual Coverage Summary: Comprehensive repair and service information for Porsche 911 (964) Carrera 2 and Carrera 4 models. Page Count Estimated Page Count: Varies by specific manual, typically 1000+ pages for complete factory service manuals. Manual Type Manual Type: Workshop Manual / Repair Manual / Service Manual Language Language: English Format File Format: PDF Compatibility Operating System Compatibility: Windows / macOS 📖 Manual Coverage Systems Covered Engine System: Detailed procedures for engine diagnostics, disassembly, reassembly, tuning, and component replacement. Fuel And Exhaust System: Covers fuel injection systems (Bosch Motronic), fuel pumps, injectors, fuel lines, catalytic converters, and exhaust components. Transmission Automatic: Service and repair for the Tiptronic automatic transmission, including hydraulic controls, torque converter, and electronic management. Transmission Manual: Detailed information for the G50 5-speed manual transaxle, including clutch, shift mechanisms, and internal components. Running Gear: Covers suspension (front and rear), steering system, brakes (ABS), wheel bearings, and alignment procedures. Body Exterior: Information on body panel removal, repair, alignment, doors, lids, spoilers, and exterior trim. Body Interior: Covers interior trim, seats, dashboard, HVAC controls, and minor body interior components. Air Conditioning System: Diagnostic procedures, refrigerant handling, component replacement, and system charging for the A/C system. Electrical System And Wiring Diagrams: Extensive wiring diagrams for all vehicle systems, including engine management, lighting, power accessories, and diagnostics. Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, spark plug service, brake fluid flush, and coolant service. Diagnostic Procedures: Troubleshooting guides, fault code interpretation, electrical system diagnostics, and engine performance analysis. Repair Procedures: Step-by-step instructions for major and minor repairs across all vehicle systems, including engine rebuilds and transmission overhauls. Component Replacement: Detailed guides for replacing components such as brake pads, rotors, shocks, struts, alternators, starters, and fuel pumps. Technical Depth Depth Of Coverage: Full factory-level technical detail, suitable for professional mechanics and serious DIY enthusiasts. Diagnostic Capabilities: Includes procedures for using diagnostic tools and interpreting data for complex troubleshooting. Rebuilding Procedures: Comprehensive instructions for engine and transmission rebuilding, including torque specifications and clearances. 📊 Manual Specifications File Format File Quality: High-resolution PDF, ensuring clarity of text and diagrams. Searchability: Likely searchable text within the PDF for efficient information retrieval. Print Quality Printable: Yes, printable for on-hand reference. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M64/01 (Carrera 2), M64/01, M64/02, M64/03 (Carrera 4) Engine Configuration: 3.6 Liter (3600 cc) Naturally Aspirated Air-Cooled Flat-Six Performance Horsepower Carrera 2: 250 PS (184 kW; 247 hp) at 6,100 rpm Torque Carrera 2: 312 N·m (230 lb·ft) at 4,800 rpm Horsepower Carrera 4: 250 PS (184 kW; 247 hp) at 6,100 rpm (later models 260 hp) Torque Carrera 4: 312 N·m (230 lb·ft) at 4,800 rpm (later models 229 lb-ft) Fuel System Fuel Injection System: Bosch Motronic M2.7 / M6.1 Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Maintenance Valve Adjustment Interval: Typically every 30,000 miles or as needed based on noise. Engine Oil Capacity With Filter: Approx. 9.5 liters (10.0 US quarts) Recommended Engine Oil Type: High-quality synthetic oil meeting Porsche A40 specification (e.g., Mobil 1 0W-40 or equivalent). 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transaxle (G50) Optional Optional Transmission: 4-speed Tiptronic Automatic Features Carrera 4 AWD System: Viscous coupling limited-slip center differential for power distribution. Manual Transmission Fluid Type: GL-5 Gear Oil, SAE 75W-90 (Porsche Part Number 999.917.546.00) Automatic Transmission Fluid Type: Dexron III or equivalent (Porsche Part Number 000.043.205.41) 📐 Dimensions Exterior Length: Approx. 4,250 mm (167.3 in) Width: Approx. 1,775 mm (69.9 in) Height: Approx. 1,310 mm (51.6 in) Weights Curb Weight Carrera 2: Approx. 1,450 kg (3,197 lb) Curb Weight Carrera 4: Approx. 1,550 kg (3,417 lb) 🛡️ Safety Features Ratings ABS: Standard Anti-lock Braking System (ABS). Active Features Brake System: Four-wheel disc brakes, ventilated front and rear. Carrera 4 featured larger rotors and caliper pistons. Passive Features Airbags: Driver's airbag standard from late 1990 onwards; passenger airbag optional/standard depending on market and year. 💡 Technology Features Infotainment Audio System: Premium sound systems available, often featuring cassette players and early CD changers as options. Basic radio units were standard. Driver Assistance All Wheel Drive: The Carrera 4's AWD system provides enhanced traction and stability. Tiptronic Transmission: Allows manual...