🏷️ Basic Information Identification Make: Porsche Model: 944 Model Variants Covered: 944S, 944S2, 944 Turbo (951), 944 TurboS (951) Generation Production Years: 1982-1991 Codes Chassis Code: 944 👋 Introduction Market Position Target Audience: DIY enthusiasts and professional mechanics Competitive Analysis Value Proposition: Cost-effective alternative to official dealer service, providing the same level of technical detail. Key Features Manual Characteristics: Complete, intact, no missing/corrupt pages, detailed illustrations, step-by-step instructions, notes/cautions/warnings. Unique Selling Points: Instant download, printable pages, covers all styles and variants within the specified model years. 📋 Manual Details Coverage Areas Region Covered: Global (factory service information) Page Count Total Pages: 2600+ Manual Type Type: Workshop Service & Repair Manual Language Primary Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Engine Mechanical, Engine Control System, Fuel System, Cooling System, Lubrication System, Exhaust System, Emission Control Systems Drivetrain: Clutch System, Manual Transaxle System, Automatic Transaxle System, Drive Shaft, Differential Case Assy Chassis: Brake System, Suspension System (Front & Rear), Steering System, Wheel & Tire System Electrical: Ignition System, Charging System, Lighting System, Starting System, Combination Meter, Audio & Visual System, Power Window Control System, Power Door Lock Control System, Wiper & Washer System, Air Conditioning System, Supplemental Restraint System (SRS), Air Bag Systems Body: Body Repair, Sun Roof System, Doors, Windows, Interior Trim, Exterior Trim Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replacements, Belt Adjustments, Spark Plug Replacement Repair: Engine Rebuild, Transmission Overhaul, Brake Component Replacement, Suspension Component Replacement, Electrical Component Diagnosis and Repair, Body Panel Repair Diagnostics: Troubleshooting Guides, Symptom-Based Diagnostics, Electrical System Diagnostics, Engine Performance Diagnosis Technical Depth Depth: Comprehensive (from basic maintenance to full engine/transmission rebuilds) Detail Level: Detailed step-by-step instructions with illustrations, diagrams, and photos 📊 Manual Specifications File Format Quality: High-resolution PDF, all pages printable Print Quality Accessibility: Printable without restrictions, suitable for garage use Binding Type Delivery Method: Digital Download Paper Type Digital Features: Searchable text, hyperlinked table of contents ⚙️ Engine Specifications Primary Engine 944 (Base): 2.5L Inline-4 (M44.01/M44.02) 944S: 2.5L Inline-4 DOHC (M44.02), 16 valves 944S2: 2.7L Inline-4 (M44.03), 16 valves 944 Turbo (951): 2.5L Inline-4 Turbocharged (M44.50/M44.51), 16 valves 944 Turbos (951): 2.5L Inline-4 Turbocharged (M44.52), 16 valves, with larger turbocharger and intercooler Performance 944 (Base) Horsepower: 143-160 hp (depending on market and year) 944S Horsepower: 188 hp 944S2 Horsepower: 208 hp 944 Turbo (951) Horsepower: 217-247 hp (depending on market and year) 944 Turbos (951) Horsepower: 247 hp Fuel System Injection Type: Bosch L-Jetronic (early models), Bosch Motronic (later models and Turbos) Fuel Type: Unleaded Gasoline Engine Mechanical Block Material: Aluminum Alloy Head Material: Aluminum Alloy 🔧 Transmission Standard 944 (Base/S/S2): 5-speed Manual Transaxle (G50 variants for S2) Optional 944/944S: 3-speed Automatic (Automatic Sport) Features Transaxle Layout: Rear-mounted transaxle for balanced weight distribution 📐 Dimensions Exterior Body Styles: 2-door Coupe Weights Curb Weight Range: Approx. 2,700 - 3,100 lbs (1,225 - 1,406 kg) 🛡️ Safety Features Ratings Crash Test Performance: Not extensively tested by modern standards, but known for robust chassis design and driver engagement. Active Features Braking System: Four-wheel Disc Brakes (ABS available on later models, standard on Turbo models) Suspension Enhancements: Independent Suspension (front and rear) for excellent handling and stability Passive Features Airbags: Driver airbag standard from 1987 onwards; Passenger airbag available as an option later. Seatbelts: Three-point Inertia-reel Seatbelts 💡 Technology Features Infotainment Audio System: Factory fitted radio/cassette players with optional amplifiers and speakers. Limited by era. Driver Assistance ABS: Available as an option on some models, standard on Turbo variants. Cruise Control: Available as an option on many models. Connectivity Era Appropriate Features: Focus on mechanical and driving dynamics rather than digital connectivity. 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 miles or annually. Refer to manual for specific intervals based on driving conditions. Timing Belt: Crucial maintenance item, typically replaced every 45,000-60,000 miles or 4-5 years due to interference engine design. Refer to manual for precise intervals and procedures. Fluid Specifications Engine Oil: Porsche A40 specification or equivalent SAE 0W-40 or 5W-40 synthetic oil recommended. Check manual for specific viscosity and API classification. Coolant: Porsche specified coolant or a high-quality ethylene glycol-based antifreeze with corrosion inhibitors. Typically a 50/50 mix with distilled water. Brake Fluid: DOT 4 or DOT 5.1 brake fluid. Refer to manual for specific type and change interval. Transmission Fluid Manual: GL-4 or GL-5 gear oil (e.g., SAE 75W-90). Refer to manual for specific Porsche specification. Transmission Fluid Automatic: Dexron III or equivalent automatic transmission fluid (ATF). Refer to manual for specific Porsche specification. Known Issues Common Problems: Timing belt failure (catastrophic engine damage), fuel accumulator issues, coolant leaks (especially from the '944' specific crossover pipe), window regulators, door seal degradation, catalytic converter failure (early models). Electrical Quirks: Corrosion in electrical connectors, failing dashboard warning lights, issues with the DME (Digital Motor...