🏷️ Basic Information Identification Make: Porsche Model: 911 Carrera 4 Generation: 964 Codes Chassis Code: 964 Production Years Covered: 1989, 1990, 1991, 1992, 1993, 1994 👋 Introduction Market Position Positioning: Essential diagnostic and repair resource for owners and professionals of the iconic Porsche 911 Carrera 4 (964). Competitive Analysis Advantage: Provides complete factory-level information, crucial for maintaining this performance classic, often unavailable in condensed third-party manuals. Key Features Value Proposition: Inexpensive way to keep the vehicle working properly, saving on dealership service costs. Content Quality: Professional quality, in-depth information directly from factory sources. 📋 Manual Details Coverage Areas Primary Coverage: Porsche 911 Carrera 4 (964 generation) Additional Coverage: Includes all styles of the 911 Carrera 4 for the specified years. Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but extensive) Manual Type Type: Factory Service Repair Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete Engine Service / Repair Transmission: Complete Transmission Service / Repair Drivetrain: Differential / Drive, Axle Service / Repair Brakes: Brake System Service / Repair Suspension Steering: Suspension, Steering System Service / Repair Cooling Fuel: Cooling System, Fuel System, Fuel Injection Electrical HVAC: Electrical System, Wiring Diagram, Heater/Air Conditioning Engine Control: Engine Control System Chassis Body: Chassis / Body Repair Restraint Interior: Restraint System, Interior Component Repair Emissions: Emission System Information Procedures Included Maintenance: General Maintenance, Periodic Lubrication Troubleshooting: Troubleshooting and Diagnostics Repair Overhaul: Step-by-step instructions for complete disassembly and repair Electrical Diagnostics: Electrical system diagnosis and repair with detailed wiring diagrams Technical Depth Depth: Comprehensive Factory Level - suitable for DIY and experienced mechanics Detail Level: Detailed substeps, notes, cautions, warnings, numbered instructions Illustrations Illustration Quality: Hundreds of photos and illustrations, detailed drawings, enlarged insets 📊 Manual Specifications File Format Format: PDF Compatibility: All PC based Windows Operating Systems and Mac Print Quality Printability: Printable without any restriction (entire manual or specific pages) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Requirements Software Requirement: Adobe PDF Reader Delivery Delivery Method: Instant Download Link on Checkout Page ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Flat-Six (Boxer) Engine Code General: M64/01 (typical for early Carrera 4) Performance Displacement: 3.6 Liters (3600 cc) Horsepower: Approx. 250 PS (184 kW) at 6100 rpm Torque: Approx. 312 Nm (230 lb-ft) at 4800 rpm Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline Ignition Ignition System: Distributorless Ignition System (DIS) with two distributors 🔧 Transmission Standard Type: 5-Speed Manual Transaxle (G50/03) Optional Type: Tiptronic (4-speed automatic with manual override, introduced later in the 964 generation, but the manual specifically covers the Carrera 4) Features Drive System: All-Wheel Drive (AWD) 📐 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. 1450 kg (3197 lbs) Wheelbase: Approx. 2272 mm (89.4 in) 🛡️ Safety Features Ratings Crash Safety: Not rated by modern standards; designed to earlier safety regulations. Focus on driver control and chassis integrity. Active Features Braking: Four-wheel Anti-lock Braking System (ABS) Passive Features Restraint System: Driver and passenger airbags (introduced during the 964 generation), seat belts. 💡 Technology Features Infotainment Audio System: Standard AM/FM/Cassette player, optional CD player available. Driver Assistance Stability Control: ABS is standard; no advanced electronic stability control systems. Connectivity Connectivity Features: No integrated Bluetooth or USB connectivity; relies on aftermarket solutions. 🔧 Maintenance Service Intervals Oil Change: Typically every 10,000 - 15,000 km (6,000 - 10,000 miles) or annually, whichever comes first. Major Service: Comprehensive check every 30,000 - 40,000 km (20,000 - 25,000 miles) Fluid Specifications Engine Oil: SAE 0W-30, 0W-40, 5W-40, or 5W-50 Synthetic (check manual for specific Porsche A40 or C30 approval) Brake Fluid: DOT 4 or DOT 5.1 Coolant: Porsche approved G48 Antifreeze/Coolant (ethylene glycol based) Transmission Fluid: Manual: Porsche spec GL-5 gear oil (e.g., 75W-90). Tiptronic: ATF fluid, consult manual for specific type. Known Issues Common Problems: Plastic coolant lines, rear main seal leaks, valve adjustment intervals, alternator bearing noise, catalytic converter degradation, O-ring failures in the engine. Electrical Issues: Wiring harness degradation, particularly in engine bay due to heat. Parts Spark Plugs: Consult manual for specific part numbers (e.g., Bosch WR 8 DC+, NGK BPR5ES-15 or similar) Oil Filter: Porsche Part Number: 996.107.225.00 (common replacement) 📚 Vehicle History Brand Heritage Legacy: Continuation of the legendary Porsche 911 lineage, introducing significant modernization while retaining core identity. Model Evolution 964 Introduction: The 964 generation marked a major redesign from the previous 911 G-Series, featuring a new chassis, aerodynamics, and increased technology. Carrera 4 Significance: The Carrera 4 was the first 911 to feature all-wheel drive as standard, enhancing traction and stability. Production Manufacturing Location: Stuttgart-Zuffenhausen, Germany Production Run 964: 1989-1994 🏆 Awards &...