🏷️ Basic Information Identification Make: Porsche Model: 911 Carrera Variant: Carrera 2 (Rear-Wheel Drive) and Carrera 4 (All-Wheel Drive) Codes Chassis Code: 964 Generation Model Generation: 964 (1989-1994) 👋 Introduction Market Position Product Category: High-performance luxury sports car Competitive Analysis Competitors: Ferrari 348, Lotus Esprit, Chevrolet Corvette ZR-1, Nissan 300ZX (Z32) Key Features Selling Points: Renowned Porsche driving dynamics, naturally aspirated flat-six engine, iconic 911 silhouette, evolution from the 3.2 Carrera, introduction of AWD (Carrera 4) Manual Value Proposition Vendor Promise: Up-to-date manuals, competitive pricing, price matching, customer satisfaction guarantee 📋 Manual Details Coverage Areas Years Covered: 1989, 1990, 1991, 1992, 1993 Page Count Estimated Page Count: 800-1200 (estimated based on typical Porsche 964 service manuals) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Mechanical Systems: Engine (M64 series), Fuel System, Lubrication System, Cooling System, Exhaust System Drivetrain Systems: Transmission (G50 manual, Tiptronic optional), Clutch, Differential, Axles, All-Wheel Drive System (Carrera 4) Suspension And Steering: Front and Rear Suspension, Steering Gear, Power Steering System Braking System: Brake System (ABS, Front and Rear Brakes), Parking Brake Electrical System: Engine Control Unit (ECU), Ignition System, Lighting System, Instrumentation, Audio System, Power Accessories, Wiring Diagrams Body And Interior: Body Structure, Doors, Windows, Seats, HVAC System, Body Control Modules Procedures Included Maintenance Procedures: Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Replacement, Brake Pad/Disc Service, Fluid Checks and Changes Repair Procedures: Engine Overhaul, Transmission Repair, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement, Body Panel Repair Troubleshooting: Diagnostic Trouble Codes (DTCs), Symptom-Based Troubleshooting Guides, Electrical Schematics for Diagnostics Technical Depth Diagnostic Capabilities: Advanced diagnostics, including specific procedures for engine management systems and ABS Rebuild Procedures: Comprehensive rebuild procedures for major components such as the engine and transmission Specification Detail: Detailed torque specifications, clearances, and adjustment procedures for all major components 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Printable pages, allowing users to create a physical copy Binding Type Binding: N/A (Digital File) Paper Type Paper Quality: N/A (Digital File) Searchability Text Search: Likely text-searchable PDF for efficient information retrieval ⚙️ Engine Specifications Primary Engine Engine Code: M64 (various displacements within the series) Engine Type: Naturally Aspirated, Air-Cooled Flat-Six (though with significant updates and liquid-cooled oil cooler) Performance Displacement: 3.6 Liters (3600 cc) Horsepower: Approx. 250-260 hp (DIN) at 6100 rpm Torque: Approx. 312-317 Nm (230-234 lb-ft) at 4800 rpm Fuel System Fuel Injection: Bosch Motronic DME (Digital Motor Electronics) with fuel injection Ignition System Ignition Type: Distributorless Ignition System (DIS) with coil packs 🔧 Transmission Standard Transmission Type: G50 5-Speed Manual Transaxle Optional Transmission Type: Tiptronic Automatic Transmission (introduced later in the generation) Features All Wheel Drive System: Viscous coupling center differential (Carrera 4) 📐 Dimensions Exterior Wheelbase: Approx. 2272 mm (89.4 inches) Length: Approx. 4250 mm (167.3 inches) Width: Approx. 1650 mm (65.0 inches) Height: Approx. 1310 mm (51.6 inches) Weights Curb Weight: Approx. 1350-1450 kg (2976-3197 lbs) depending on model and options 🛡️ Safety Features Ratings Crash Safety: N/A (No standardized crash test ratings available from that era in the modern sense) Active Features Anti Lock Brakes: Standard (ABS) Passive Features Airbags: Driver's side airbag standard from 1990 model year onwards Structural Integrity: Reinforced chassis and crumple zones 💡 Technology Features Infotainment Audio System: Factory premium sound systems, often with cassette players and early CD integration in later models Driver Assistance ABS: Anti-lock Braking System (ABS) Connectivity Remote Locking: Optional central locking and remote key fob Comfort Features Climate Control: Manual or automatic climate control (optional) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 15,000 km (9,300 miles) or 12 months Major Service Interval: Significant maintenance often recommended around 30,000-60,000 km (18,000-37,000 miles), covering belt replacements, valve adjustments, etc. Fluid Specifications Engine Oil Type: High-quality synthetic oil, e.g., Mobil 1 0W-40 or equivalent meeting Porsche A40 specification (verify specific manual recommendation) Transmission Fluid Type: Gear oil, e.g., Mobilube HD 75W-90 or equivalent (verify specific manual recommendation) Brake Fluid Type: DOT 4 or DOT 5.1 brake fluid Known Issues Engine Components: Potential for oil leaks, particularly from M64 engine seals; valve adjustment required; timing chain tensioner issues (though improved over earlier air-cooled engines) Suspension Components: Worn control arm bushings; strut mount degradation Electrical Components: Window regulators, HVAC blower motor, and ABS sensors can be points of failure Body Components: Rust in common areas such as battery trays and sills, though less prevalent than older models. 📚 Vehicle History Brand Heritage Marque Legacy: Porsche's long-standing reputation for performance, engineering, and motorsport success Model Evolution Predecessor: Porsche 911 Carrera 3.2 Key Innovations: Introduction of the all-wheel-drive Carrera 4, significant aerodynamic improvements, updated chassis and suspension, electric convertible top, introduction of Tiptronic transmission Production Production Years: 1989-1993 (964 generation) Production Locations: Stuttgart, Germany 🏆 Awards &...