🏷️ Basic Information Identification Make: Porsche Model: 911 Carrera 4 Chassis Code: 964 Generation Generation Name: Third Generation Generation Years: 1989-1994 Codes Model Code: 964 Carrera 4 👋 Introduction Market Position Positioning: The Porsche 964 Carrera 4 represented a significant evolution of the iconic 911, introducing all-wheel drive and modern amenities while retaining its core driving dynamics. It catered to discerning enthusiasts seeking a blend of performance, luxury, and everyday usability. Competitive Analysis Competitors: During its production run, the 964 Carrera 4 competed with other high-performance sports cars and grand tourers of the era, including the Ferrari 348, Chevrolet Corvette ZR-1, and various high-specification European models. Its all-wheel-drive system offered a distinct advantage in traction and all-weather capability. Key Features Distinguishing Features: Standard all-wheel drive, significantly revised chassis and suspension, Bosch Motronic engine management, aerodynamic enhancements (integrated bumpers, retractable rear spoiler), optional Tiptronic automatic transmission, improved safety features, and a more refined interior compared to its predecessor (911 G-Series). 📋 Manual Details Coverage Areas Manual Sections: Volume 1: Engine, Maintenance, Self-diagnosis, Crankcase, Suspension, Crankshaft, Pistons, Cylinder Head, Valve Drive, Lubrication, Cooling, Fuel Supply, Electronic Injection, Exhaust System/Emission Controls, Starter, Power Supply, Cruise Control, Ignition System, Diagnosis. Volume 2: Manual Transmission, Clutch, Controls, Gears, Shafts, Differential, Transaxle System, All-Wheel Drive, Diagnosis. Volume 3: Automatic Transmission, Torque Converter, Controls, Case, Gear, Shafts, Differential, Transaxle System, Diagnosis. Volume 4: Chassis, Front Wheel Suspension, Rear Wheel Suspension, Axle Shaft, Wheels, Tires, Alignment, Antiblock System, Brakes (Mechanical, Hydraulic, Regulator, Booster), Steering, Diagnosis. Volume 5: Body, Body-Front Section, Body-Center Section, Body-Rear Section, Lids, Doors, Electric Sunroof, Hardtop, Bumpers, Glasses, Window Control, Exterior Equipment, Interior Equipment, Seats, Seat Covers. Volume 6: Heating, Ventilation, Air Conditioning, Diagnosis, Instruments, Fuel Gauge, Alarm System, Radio, Telephone, On-board Computer, Windshield Wipers and Washer, Exterior Lights, Lamps, Switches, Interior Lights, Diagnosis. Volume 7: Electrics Wiring Diagrams, Wiring. Page Count Estimated Total Pages: Approx. 1000-1500 pages (estimated across 7 volumes) Manual Type Type: Comprehensive Workshop/Service Manual Language Language: English Format Format: Digital (likely PDF, as indicated by .zip) 📖 Manual Coverage Systems Covered Major Systems: Engine (M64 series), Lubrication System, Cooling System, Fuel System (Bosch Motronic), Ignition System, Exhaust System, Emission Controls, Starter System, Power Supply, Cruise Control, Manual Transmission (G50), Automatic Transmission (Tiptronic/Tiptronic S), All-Wheel Drive System, Clutch, Differential, Transaxle, Front Suspension, Rear Suspension, Axles, Brakes (ABS), Steering System, Chassis, Body Structures, Doors, Lids, Sunroof, HVAC System, Instruments, Electrical Systems, Lighting, Audio System, On-board Computer. Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, fluid level checks and top-offs, brake pad and rotor replacement, belt inspection and replacement, air filter replacement. Diagnostic Procedures: Self-diagnosis of engine management, transmission, ABS, HVAC, and other electronic systems; troubleshooting common fault codes and symptoms. Repair Procedures: Engine rebuild (crankshaft, pistons, cylinder head, valve train), transmission overhaul, clutch replacement, brake system overhaul, suspension component replacement, steering rack repair, body panel repair, electrical component troubleshooting and replacement, HVAC system diagnosis and repair. Technical Depth Depth: Advanced diagnostic and repair procedures, complete engine and transmission rebuilds, detailed electrical system schematics, component-level troubleshooting, specifications for alignment, balancing, and torque values. 📊 Manual Specifications File Format Digital Format: PDF (extracted from .zip), likely searchable text and image-based pages. Print Quality Image Resolution: High-resolution scans of original diagrams and text, suitable for printing. Binding Type Binding: Not Applicable (Digital Format) Paper Type Paper Type: Not Applicable (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Flat-Six (Boxer) Engine Code: M64/01 (Carrera 4) Displacement: 3.6 Liters (3600 cc) Bore X Stroke: 100 mm x 76.4 mm Compression Ratio: 11.0:1 Performance Horsepower: 250 PS (247 bhp / 184 kW) at 6100 rpm Torque: 312 Nm (230 lb-ft) at 4800 rpm Fuel System Fuel Delivery: Bosch Motronic M2.7 or M2.7.2 Electronic Fuel Injection Fuel Type: Unleaded Premium Gasoline (98 RON / 93 AKI) Ignition System Ignition Type: Distributorless Ignition System (DIS) with knock control Cooling System Cooling Type: Air-cooled with oil cooler and thermostatically controlled fan Lubrication System Oil Capacity: Approx. 8.5 Liters (8.9 US Quarts) with filter Oil Specification: Mobil 1 0W-40 or equivalent (refer to manual for exact Porsche A40 approval) 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Transaxle Optional Transmission Type Optional: 4-Speed Tiptronic Automatic Transmission (introduced later in the 964 generation) Features All Wheel Drive: Viscous coupling center differential, distributing power front and rear. Manual Gear Ratios: Specific ratios for 1st-5th gears available in the manual. Transaxle Fluid Capacity: Approx. 2.7 Liters (2.9 US Quarts) for manual, 7.0 Liters (7.4 US Quarts) for automatic (refer to manual for exact specification). Transaxle Fluid Specification: Porsche Type 000.043.205.00 (or equivalent GL-5 gear oil) 📐 Dimensions Exterior Length: 4250 mm (167.3 in) Width: 1775 mm (69.9 in) Height: 1310 mm (51.6 in) Wheelbase: 2272 mm (89.4 in) Weights Curb Weight: Approx. 1450 kg (3197 lbs) for Carrera...