🏷️ Basic Information Identification Make: Porsche Model: 944 Turbo Model Years Covered: 1987, 1988, 1989, 1990, 1991 Codes Chassis Code: 944 S2/Turbo (951) 👋 Introduction Market Position Positioning: High-performance sports car, representing Porsche's entry into more accessible performance with front-engine, rear-drive layout. Competitive Analysis Competitors: Ferrari 328 GTB, Chevrolet Corvette C4, Nissan 300ZX Z31, Toyota Supra MkIII, BMW M3 E30. Key Features Unique Selling Points: Balanced chassis, robust 2.5L turbocharged inline-four engine, excellent handling dynamics, rear transaxle for optimal weight distribution, distinctive Porsche build quality. Value Proposition Manual Benefit: Inexpensive way to maintain vehicle health, empowering owners with the knowledge to perform repairs and diagnostics. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: PDF Delivery Method: Instant Download Page Count Estimated Page Count: Extensive (specific number not provided but implies comprehensive factory documentation) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete coverage including disassembly, inspection, repair, and reassembly of engine components. Engine Electrical: Detailed diagnostics, troubleshooting, and repair of all engine electrical systems, including ECU, sensors, and actuators. Emission Control System: Information on emission control devices, diagnostics, and repair procedures to meet regulatory standards. Fuel System: Comprehensive details on fuel injection, fuel pump, injectors, fuel pressure regulator, and fuel lines. Suspension System: Repair and maintenance for front and rear suspension, including shock absorbers, springs, control arms, and bushings. Clutch System: Service and repair procedures for the clutch assembly, including clutch disc, pressure plate, and release bearing. Manual Transaxle System: Detailed procedures for the manual transaxle, including gear changes, synchros, and internal component repair. Automatic Transaxle System: Coverage for the automatic transaxle, including maintenance, troubleshooting, and repair of its components. Driveshaft And Axle: Information on driveshafts, CV joints, and axle assemblies for repair and replacement. Steering System: Maintenance and repair of the power steering system, steering rack, and linkage. Brake System: Complete brake system service, including disc brakes, calipers, master cylinder, ABS (if applicable), and brake lines. Body Interior And Exterior: Repair and maintenance of body panels, doors, windows, trim, seats, and interior components. Body Electrical System: Detailed diagnostics and repair for lighting, power windows, mirrors, central locking, and other body electrical systems. Restraint System: Information on airbags, seatbelts, and related safety restraint components. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, and general upkeep. Troubleshooting: Systematic diagnostic procedures and fault finding for common and uncommon issues. Repair: Step-by-step repair instructions for virtually all vehicle systems and components. Diagnostics: Detailed diagnostic procedures, including interpretation of fault codes and sensor readings. Wiring Schematics: Comprehensive and detailed wiring diagrams for all electrical systems. Technical Depth Depth Of Information: Factory-level detail, suitable for both DIY enthusiasts and professional mechanics, covering everything from basic maintenance to complex overhauls. 📊 Manual Specifications File Format File Type: PDF Software Requirements: Adobe Acrobat Reader, WinZip (for extraction) Print Quality Printability: Fully Printable Zoom Functionality: YES (allows for detailed examination of illustrations and diagrams) Binding Type Binding: Digital (PDF format allows for printing as needed) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-four, turbocharged Displacement: 2.5 Liters (2479 cc) Bore X Stroke: 104.0 mm x 73.0 mm Compression Ratio: 8.0:1 Performance Horsepower: 217 hp @ 5000 rpm (162 kW) Torque: 250 lb-ft (339 Nm) @ 3000 rpm Fuel System Fuel Delivery: Bosch L-Jetronic fuel injection with turbocharger and intercooler. Engine Management Engine Control Unit: Bosch Motronic Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Transmission Type: 5-speed manual transaxle Optional Transmission Type: 4-speed automatic transaxle (available on some models/markets) Features Transaxle Layout: Rear transaxle configuration for optimal weight distribution. 📐 Dimensions Exterior Length: 4217 mm (166.0 in) Width: 1735 mm (68.3 in) Height: 1275 mm (50.2 in) Wheelbase: 2450 mm (96.5 in) Weights Curb Weight: 1370 kg (3020 lbs) - Manual Transmission 🛡️ Safety Features Ratings Crash Test Results: Generally good for its era, though specific official ratings (e.g., NHTSA, Euro NCAP) for this specific year range may vary or not be readily available in a comparable format to modern standards. Active Features ABS: Anti-lock Braking System (ABS) standard on Turbo models. Passive Features Airbags: Driver's side airbag standard from 1987 onwards. Passenger airbag optional or standard on later models. Seatbelts: 3-point inertia reel seatbelts 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette players, often with optional CD changer integration. Bose sound system was a common upgrade. Driver Assistance Cruise Control: Standard on most Turbo models. Comfort Features Climate Control: Manual or automatic climate control systems were available. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles or 1 year, whichever comes first (refer to manual for specific recommendations). Timing Belt Replacement: Crucial service typically required every 30,000-60,000 miles or 4-5 years due to its interference engine design. Manual provides precise interval and procedure. Fluid Specifications Engine Oil Type: Refer to manual for...