🏷️ Basic Information Identification Make: Porsche Model: 911 Carrera 4 / Carrera 2 Generation Code: 964 Model Years Covered: 1989-1993 Codes Engine Codes: M64.01 (3.6L Carrera 2), M64.01 (3.6L Carrera 4), M64.02 (3.6L Carrera 2 Turbo S) 👋 Introduction Market Position Target Audience: Porsche 964 owners, independent repair shops, automotive enthusiasts Competitive Analysis Manual Advantage: Vehicle-specific, factory-level detail, comprehensive coverage exceeding generic manuals, digital convenience (instant download, searchability, printability) Key Features Value Proposition: Enables DIY repairs, saves money on dealership labor, provides ultimate resource for maintenance and restoration Content Highlight: Hundreds of illustrations, detailed diagrams, and step-by-step instructions 📋 Manual Details Coverage Areas Manual Type: Complete Service & Repair Manual Language: English Format: PDF Digital Features: Downloadable, Zoom In/Out, Printable Page Count: 3000+ Compatibility: All Versions of Windows & Mac (XP, Vista, 7, 8, 10), Adobe PDF Reader, WinZip File Format Software Requirements: Adobe PDF Reader, WinZip 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul and rebuilding, engine performance, firing orders, serpentine belt routings with diagrams, timing belt service procedures, vacuum diagrams Transmission Systems: Transmission removal and installation, in-car servicing, U-joint and CV-joint service procedures Braking Systems: Brake servicing procedures, complete torque specifications for brakes Suspension Steering Systems: Suspension, front-end and alignment procedures and specifications Electrical Systems: Wiring diagrams (complete), computer diagnostic trouble codes, computer diagnostic trouble tree charts Comfort Convenience Systems: Sunroof, air conditioning service and capacities Procedures Included Diagnostic Procedures: Troubleshooting and diagnostics, computer diagnostic trouble tree charts, computer diagnostic codes Maintenance Procedures: Factory maintenance schedules and charts, timing belt replacement, serpentine belt replacement Repair Procedures: Engine overhaul and rebuilding, transmission removal and installation, brake servicing, U-joint and CV-joint service, general repair procedures Technical Depth Depth Of Information: Vehicle specific, factory level detail, exact same manual used by dealership technicians Diagnostic Capability: Advanced diagnostics including trouble codes, wiring diagrams, and diagnostic charts Rebuild Capability: Comprehensive engine and transmission rebuild instructions Illustrations Diagrams: Hundreds of illustrations, wiring schematics, and detailed diagrams included for clarity 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within PDF Image Enhancement: Ability to blow up images for detailed viewing and printing Print Quality Printability: All pages are printable, allows printing of specific pages and enlarged diagrams Binding Type Binding Format: Digital (Downloadable PDF) Paper Type Physical Medium: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Flat-Six (Boxer) Displacement: 3.6 Liters (3600cc) Performance Horsepower Range: Approx. 250-261 hp (depending on specific model/tune) Torque Range: Approx. 225-228 lb-ft Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection Timing Mechanism Timing Belt Type: Timing belt (not a chain, requiring specific service intervals) 🔧 Transmission Standard Transmission Type: 5-speed manual transaxle (G50) Optional Automatic Transmission: Tiptronic automatic transmission (available on some models) Features All Wheel Drive: Porsche's viscous coupling all-wheel-drive system (Carrera 4 models) 📐 Dimensions Exterior Body Styles: Coupe, Targa, Cabriolet Weights Curb Weight Range: Approx. 3000-3300 lbs (1360-1500 kg) 🛡️ Safety Features Ratings Crash Safety Design: Designed with integrated crumple zones and structural integrity characteristic of Porsche engineering Active Features Braking System: 4-piston aluminum fixed calipers, vented discs front and rear Passive Features Airbags: Driver-side airbag (standard from 1990) Seatbelts: Three-point inertia reel seatbelts 💡 Technology Features Infotainment Audio System: Factory premium sound system (various configurations throughout model years) Driver Assistance Anti Lock Brakes: ABS (Anti-lock Braking System) standard on most models Connectivity Diagnostics: On-board diagnostics (OBD) with specific Porsche diagnostic protocols (covered in manual) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or annually, refer to manual for specific recommendations Timing Belt Replacement Interval: Critical component requiring regular inspection and replacement (specific mileage/time recommendations in manual) Fluid Specifications Engine Oil Type: High-quality synthetic 5W-40 or 10W-40 (refer to manual for precise Porsche A40 approval) Brake Fluid Type: DOT 4 Transmission Fluid Type: GL-5 Gear Oil (specific viscosity to be confirmed in manual) Known Issues Common Maintenance Concerns: Timing belt wear and tensioner issues, valve cover gasket leaks, flywheel issues, clutch wear, wheel bearing noise, power steering leaks, A/C system recharge/leaks Technical Specifications Wheel Bolt Pattern: 5x130 Tire Sizes: Varies by model and year; commonly 205/55ZR16 front, 225/50ZR16 rear for Carrera 2, and wider sizes for Carrera 4 📚 Vehicle History Brand Heritage Porsche Legacy: Continues the iconic 911 lineage with evolutionary design and engineering advancements Model Evolution 964 Introduction: Represents a significant redesign over the G-series 911, featuring 85% new parts, including a revised aerodynamics, power steering, ABS, and Tiptronic transmission option. Production Production Period: 1989-1994 (for the 964 generation) Manufacturing Location: Stuttgart-Zuffenhausen, Germany 🏆 Awards & Recognition Recognitions Automotive Status: Considered a modern classic and a highly sought-after performance car, representing a significant step in the evolution of the Porsche 911.