🏷️ Basic Information Identification Make: Porsche Model: 944 S2 Model Designation: Type 944 Facelift Codes Chassis Code: 944 Engine Code Group: M44 👋 Introduction Market Position Target Audience: Professional Porsche technicians, independent repair shops, and serious DIY enthusiasts for the Porsche 944 S2. Competitive Analysis Value Proposition: Provides access to the same authoritative, factory-issued repair information used by official Porsche dealerships, ensuring accuracy and completeness. Key Features Authenticity: Original manufacturer-written content, including factory diagnostic and repair procedures. Detail Level: Thousands of pages of detailed instructions, step-by-step diagrams, electrical schematics, and technical specifications. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive workshop service and repair for Porsche 944 S2. Page Count Estimated Pages: Thousands (as stated by manufacturer) Manual Type Type: Professional Workshop Service & Repair Manual Language Primary Language: English Format Digital Format: Acrobat PDF Compatibility: Windows & MAC compatible 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Lubrication System, Cooling System, Exhaust System, Transmission, Drivetrain. Chassis: Suspension (Front & Rear), Steering System, Brake System, Wheels & Tires. Electrical: Engine Management System, Ignition System, Lighting System, Instrumentation, Power Accessories, Audio System, HVAC Controls, Wiring Diagrams. Body: Body Panels, Doors, Windows, Seats, Interior Trim, Exterior Trim, Safety Restraints. Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements, spark plug replacement, brake pad/rotor replacement, belt inspections/replacement. Repair: Engine repair and rebuild, transmission overhaul, suspension component replacement, brake caliper rebuild, electrical component troubleshooting and replacement, bodywork repair. Diagnostics: Factory diagnostic procedures, troubleshooting guides, common fault identification, ECU diagnostics. Technical Depth Depth: Full workshop level detail, including step-by-step instructions, torque specifications, special tool requirements, and diagnostic flowcharts. 📊 Manual Specifications File Format PDF Quality: High-resolution scans of original factory manuals, ensuring clarity of diagrams and text. Searchability: Likely searchable text within the PDF files, facilitating quick information retrieval. Print Quality Printability: Designed for digital use; printable pages for workshop convenience. Binding Type Original Format: Not applicable for digital download; originally printed and bound. Paper Type Original Paper: Not applicable for digital download; typically printed on durable paper stock for workshop use. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-Four Cylinder Displacement: 3.0 Liters (2990 cc) Bore X Stroke: 104.0 mm x 88.0 mm Compression Ratio: 10.2:1 Valve Train: DOHC, 4 Valves per Cylinder, Timing Belt Driven Performance Horsepower: 211 PS (208 hp / 155 kW) at 6100 RPM Torque: 280 Nm (207 lb-ft) at 4500 RPM Fuel System Induction: Bosch Motronic 2.5 Fuel Injection Fuel Type: Unleaded Gasoline (98 RON / 93 AKI recommended) Lubrication Oil Type: API SG or higher, SAE 5W-40 or 10W-40 recommended (refer to manual for specific Porsche approvals) Cooling System Coolant Type: Ethylene Glycol based coolant with corrosion inhibitors (typically a 50/50 mix with distilled water) 🔧 Transmission Standard Type: 5-Speed Manual Transaxle Optional Type: Tiptronic 4-Speed Automatic Transaxle Features Transaxle Layout: Rear-wheel drive with transaxle (engine in front, transmission/differential at rear). Fluid Specification Manual Transmission Fluid: GL-4 SAE 75W-90 (e.g., Mobilube PTX 75W-90 or equivalent) Automatic Transmission Fluid: Dexron III (or compatible) 📐 Dimensions Exterior Length: 4250 mm (167.3 in) Width: 1735 mm (68.3 in) Height: 1275 mm (50.2 in) Wheelbase: 2450 mm (96.5 in) Weights Curb Weight: Approximately 1360 kg (2998 lbs) Gross Vehicle Weight Rating: 1800 kg (3968 lbs) 🛡️ Safety Features Ratings Crash Test History: As a classic vehicle from the late 1980s/early 1990s, formal crash test ratings in the modern sense may be limited. However, Porsche's reputation for engineering robustness is a key feature. Active Features Brakes: Four-wheel disc brakes (ABS standard on S2). Steering: Power-assisted rack and pinion steering. Passive Features Airbags: Driver's airbag standard. Seat Belts: Three-point inertia-reel seat belts. Body Structure: Integrated safety cage and crumple zones. 💡 Technology Features Infotainment Audio System: Factory radio/cassette player (often Blaupunkt or similar), speaker system. Driver Assistance ABS: Standard Anti-lock Braking System (ABS). Connectivity Diagnostic Port: OBD-I diagnostic connector, requiring specialized interfaces for advanced diagnostics. 🔧 Maintenance Service Intervals Oil Change: Every 10,000 km or 12 months (whichever comes first). Timing Belt Replacement: Every 80,000 km or 4-5 years (critical preventative maintenance item). Spark Plug Replacement: Every 40,000 km. Fluid Specifications Brake Fluid: DOT 4 (or higher, e.g., DOT 5.1 for improved performance) Fluid Capacities Engine Oil Capacity: Approximately 6.5 liters (6.9 US quarts) with filter change. Coolant Capacity: Approximately 8.0 liters (8.5 US quarts). Known Issues Common Wear Items: Control arm bushings, torque tube bearings, fuel pump, idle control valve, window regulators. Timing Belt Failure Consequences: Potential for catastrophic engine damage due to interference design. 📚 Vehicle History Brand Heritage Legacy: Porsche's commitment to performance engineering and driver-focused design. Model Evolution Predecessors: Evolved from the original 924, with the 944 S2 being the most potent naturally aspirated version of the 944 line, incorporating significant upgrades from earlier models. Key Differences Vs 944 Turbo: Naturally aspirated 3.0L engine vs. turbocharged 2.5L...