🏷️ Basic Information Identification Make: Porsche Model: 944 Trim Levels: S, S2 Generation Generation Name: Second Generation (Type 944) Production Years: 1986-1991 (S/S2 variants) Codes Chassis Code: Type 944 👋 Introduction Market Position Positioning: Performance grand tourer, established Porsche lineage, significant evolution from 924 Competitive Analysis Competitors: BMW 3 Series (E30), Mercedes-Benz 190E, Chevrolet Camaro, Ford Mustang Key Features Design Philosophy: Transaxle layout for balanced weight distribution, front-engine, rear-wheel drive Target Audience: Enthusiasts seeking a capable, reliable, and distinctive sports coupe with a focus on driving dynamics 📋 Manual Details Coverage Areas Covered Models: Porsche 944 S, Porsche 944 S2 Applicable Years: 1986, 1987, 1988, 1989, 1990, 1991 Page Count Estimated Pages: Hundreds (specific number not provided, but described as extensive) Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnosis, tuning, lubrication, cooling, fuel, ignition, exhaust systems Transmission: Manual and automatic transmission overhaul, clutch, driveline, axle assemblies Brakes: Hydraulic system, ABS (if equipped), disc brake components, parking brake Suspension Steering: Front and rear suspension components, wheel alignment, steering system diagnosis and repair Electrical System: Wiring diagrams, component testing, starter, alternator, battery, lighting, instrumentation, ECU diagnostics Body Chassis: Bodywork repair, exterior trim, interior components, frame and chassis structural integrity HVAC: Heating, ventilation, and air conditioning system service and repair Fuel System: Fuel injection system (Motronic), fuel pump, injectors, pressure regulator Emissions Control: Emission control devices and systems, catalytic converter, oxygen sensors Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug service, belt replacement Troubleshooting: Diagnostic procedures for common and complex issues, fault code interpretation Repair Rebuild: Step-by-step instructions for component removal, installation, and rebuilding Refurbishment Restoration: Guidance on restoring worn or damaged components and systems Diagnostics: Detailed diagnostic charts and procedures for identifying root causes of problems Specifications: Torque values, clearances, fluid capacities, electrical resistance, pressures Technical Depth Depth: Comprehensive from basic DIY maintenance to advanced engine and transmission overhauls Detail Level: Highly detailed, suitable for professional mechanics and experienced enthusiasts 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable (standard for professional PDFs) Print Quality Printability: Printable for use in a workshop environment Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type 944 S: Naturally Aspirated Inline 4-cylinder (M44/51) Engine Displacement 944 S: 2.5 Liters (2479 cc) Engine Type 944 S2: Naturally Aspirated Inline 4-cylinder (M44/51) Engine Displacement 944 S2: 2.5 Liters (2479 cc) - Larger bore and stroke than 944 S Performance Horsepower 944 S: 190 hp (142 kW) at 6000 rpm Torque 944 S: 180 lb-ft (244 Nm) at 4500 rpm Horsepower 944 S2: 208 hp (155 kW) at 6000 rpm Torque 944 S2: 207 lb-ft (281 Nm) at 4500 rpm Fuel System Fuel Injection: Bosch Motronic Electronic Fuel Injection Fuel Type: Premium Unleaded Gasoline (91 Octane or higher) Engine Construction Block Material: Aluminum Alloy Head Material: Aluminum Alloy Valvetrain: Dual Overhead Camshafts (DOHC), 4 valves per cylinder 🔧 Transmission Standard Standard Transmission: 5-Speed Manual Transaxle Optional Optional Transmission: Tiptronic Automatic Transaxle (Optional on some S2 models) Features Transaxle Layout: Rear-mounted transaxle (engine front, transmission rear) Gear Ratios: Specific ratios available in the manual Fluid Specifications Manual Transmission Fluid: Refer to manual for specific API GL-4 or GL-5 specification and viscosity (e.g., 75W-90) Automatic Transmission Fluid: Refer to manual for specific ATF type (e.g., Dexron III equivalent) 📐 Dimensions Exterior Length: Approx. 168.0 inches (4267 mm) Width: Approx. 67.9 inches (1725 mm) Height: Approx. 50.1 inches (1273 mm) Wheelbase: Approx. 94.5 inches (2400 mm) Weights Curb Weight: Approx. 2800-3000 lbs (1270-1360 kg), varies by model and equipment Gross Vehicle Weight Rating: Refer to vehicle VIN plate or manual Cargo Cargo Capacity: Combined front and rear storage, rear cargo area expandable with folding seats Wheels Tires Wheel Bolt Pattern: 5 x 130 mm Standard Wheel Size: 16-inch Alloy (often 7J front, 8J rear) Standard Tire Size: 205/55R16 front, 225/50R16 rear (typical for S2) 🛡️ Safety Features Ratings NHTSA Ratings: No specific ratings readily available for this era, refer to period automotive publications Active Features ABS: Anti-lock Braking System (Standard on S2, optional on some later S models) Traction Control: Optional on some models (e.g., MSR - Motor Slip Regulation) Passive Features Airbags: Driver airbag standard from 1987/88 onwards; Passenger airbag optional/later standard Seatbelts: Three-point front seatbelts with pre-tensioners (later models) Rollover Protection: Reinforced A-pillars and integrated roll bar behind seats for coupe models 💡 Technology Features Infotainment Audio System: Factory Porsche stereo systems, often Blaupunkt or Grundig, with integrated cassette or radio Navigation: Not typically available from the factory for these model years Driver Assistance Cruise Control: Optional or standard depending on trim and year Connectivity Bluetooth Usb: Not factory equipped; aftermarket solutions available 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500...