🏷️ Basic Information Identification Make: Porsche Model: 944 Model Years Covered: 1985, 1986, 1987, 1988, 1989, 1990, 1991 Codes Internal Model Code: 944 👋 Introduction Market Position Target Audience: Porsche 944 owners, independent repair shops, DIY enthusiasts. Value Proposition: Empowers owners to perform their own maintenance and repairs, saving significant costs compared to dealership labor. Competitive Analysis Uniqueness: Vehicle-specific, factory-level detail, not generic information. Direct equivalent to dealership service manuals. Key Features Key Features: Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications, printable pages, digital format for ease of use and portability. 📋 Manual Details Coverage Areas Manual Scope: All Models & All Repairs A-Z Geographic Coverage: Global (as applicable to factory service information) Page Count Page Count: Not specified, but implied to be comprehensive Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: CD-Manual (Digital, Printable) 📖 Manual Coverage Systems Covered Engine: Engine mechanical (including disassembly, assembly, overhaul), fuel system (injection, pumps, lines), ignition system, cooling system, exhaust system, lubrication system. Transmission: Manual and Automatic transmission (removal, installation, overhaul, repair), clutch, driveshafts, differentials. Brakes: Hydraulic system (master cylinder, lines, calipers, wheel cylinders), parking brake, ABS (if equipped). Suspension Steering: Front and rear suspension components (struts, control arms, bushings, springs, shocks), steering gear, power steering system. Electrical: Complete wiring schematics, fuse box diagrams, lighting systems, starting and charging systems, instrumentation, control modules. Body Chassis: Body panels, interior trim, doors, windows, sunroof, bumpers, chassis components, rust prevention and repair procedures. Climate Control: Heating, ventilation, and air conditioning (HVAC) system diagnosis and repair. Diagnostics: Troubleshooting guides, fault diagnosis, common problems and solutions. Procedures Included Maintenance: Routine maintenance, scheduled service, fluid changes, filter replacements, lubrication. Repair: Detailed step-by-step repair instructions for all major components and systems. Overhaul: Complete engine and transmission overhaul procedures. Troubleshooting: Diagnostic procedures for identifying and resolving mechanical and electrical issues. Installation: Component removal and installation procedures. Adjustment: Adjustment procedures for various systems (e.g., idle speed, clutch linkage). Technical Depth Depth Of Information: Factory technician level, covering all repairs from basic maintenance to complex overhauls. Diagnostic Capabilities: Advanced diagnostic procedures, fault code interpretation (where applicable). Rebuild Instructions: Detailed instructions for complete component rebuilding. 📊 Manual Specifications File Format Digital Format: CD-ROM Compatibility: Windows Vista (32/64-bit), XP, ME, 98, NT, 2000; Mac compatible. Print Quality Printability: All pages are printable. Image Enhancement: Images can be blown up and printed enlarged. Binding Type Binding Type: Digital (no physical binding) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder Engine Displacement Liters: 2.5L (1985-1988 models) Engine Displacement Liters Turbo: 2.5L Turbo (for 944 Turbo models) Engine Displacement Liters S2: 3.0L (for 944 S2 models) Performance Horsepower 2 5L: 147 hp (1985-1988 models) Torque 2 5L Lbft: 163 lb-ft (1985-1988 models) Horsepower 2 5L Turbo: 217 hp (944 Turbo) Torque 2 5L Turbo Lbft: 245 lb-ft (944 Turbo) Horsepower 3 0L S2: 208 hp (944 S2) Torque 3 0L S2 Lbft: 207 lb-ft (944 S2) Fuel System Fuel Injection Type: Bosch L-Jetronic (early), Motronic (later) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transaxle Optional Optional Transmission: 3-speed Automatic Transaxle (Tiptronic on some later models) Features Transaxle Design: Rear-mounted transaxle for optimal weight distribution. 📐 Dimensions Exterior Wheelbase Inches: 94.5 inches (2400 mm) Length Inches: 167.9 inches (4265 mm) Width Inches: 67.7 inches (1720 mm) Height Inches: 50.4 inches (1280 mm) Weights Curb Weight Lbs: Approximately 2,800 - 3,000 lbs (depending on model and options) 🛡️ Safety Features Ratings Safety Ratings: N/A for specific model year crash tests, but generally considered a safe vehicle for its era. Manual will detail structural integrity and passive safety features. Active Features Active Safety Features: ABS (Anti-lock Braking System) often optional or standard on later/performance models. Passive Features Passive Safety Features: Impact-absorbing body structure, energy-absorbing steering column, padded interior surfaces, seat belts. 💡 Technology Features Infotainment Infotainment System: Factory radio/cassette player, optional CD player on later models. Manual covers wiring and installation of these systems. Driver Assistance Driver Assistance Features: Cruise control (often standard or optional). Connectivity Connectivity Features: N/A (No modern connectivity features expected for this era). 🔧 Maintenance Service Intervals Oil Change Interval Miles: Refer to manual for specific recommendations based on driving conditions (typically 5,000-7,500 miles or annually). Timing Belt Replacement Miles: Critical: 30,000-60,000 miles or specific age (refer to manual for exact interval and procedures). Fluid Specifications Engine Oil Type: Refer to manual; typically a high-quality synthetic or semi-synthetic API SG/SH or higher rated oil. Engine Oil Viscosity: Refer to manual; commonly 10W-40 or 15W-50 depending on climate. Coolant Type: Refer to manual; typically a water/glycol mixture with corrosion inhibitors. Brake Fluid Type: DOT 3 or DOT 4 (refer to manual for precise specification and change interval). Transmission Fluid Type: Manual: Gear oil, API GL-4, SAE 75W-90. Automatic: ATF Dexron-III or...