🏷️ Basic Information Identification Make: Porsche Model: 944 Variant: 944, 944S, 944 Turbo Production Years Covered: 1982-1991 Codes Chassis Codes: 944, 944S, 944 Turbo 👋 Introduction Market Position Segment: Sports Coupe/Grand Tourer Competitive Analysis Competitors: BMW 3 Series (E30), Toyota Supra, Nissan 300ZX, Chevrolet Camaro, Ford Mustang Key Features Platform: Transaxle layout (engine front, transmission rear) for balanced weight distribution. Design: Pininfarina-designed body, aerodynamic and distinctive styling. Performance Focus: Emphasis on handling, braking, and driver engagement. 📋 Manual Details Coverage Areas Primary Coverage: Maintenance and repair procedures for Porsche 944, 944S, and 944 Turbo models Specific Systems: General Information, Specifications, Technical Features and Description, Rigging Information, Troubleshooting, Electrical System, Fuel System, Power Unit (Engine), Lower Unit (Drivetrain/Transmission), Bracket Unit (Chassis/Suspension/Brakes), Maintenance, Index, Appendix Page Count Estimated Page Count: Comprehensive (Exact count not specified, but implied to be extensive given the detail of coverage) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Electronic (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (various configurations), fuel delivery, ignition, cooling, exhaust, transmission (manual and automatic options), clutch, driveshafts, differentials. Chassis: Suspension (front and rear), steering system, braking system (including ABS where applicable), wheel and tire specifications, chassis components, body structure. Electrical: Complete electrical schematics, wiring diagrams, lighting systems, ignition system, starter, alternator, battery, instrument panel, comfort and convenience features, troubleshooting of electrical faults. Bodywork: Body panel removal and installation, door mechanisms, interior trim, glass, seals, bumpers, aerodynamic components. Procedures Included Diagnostics: Systematic troubleshooting guides for common and uncommon issues, diagnostic procedures for engine performance, electrical faults, and mechanical systems. Maintenance: Routine maintenance tasks, fluid changes, filter replacements, lubrication, inspection schedules, belt replacements, brake service, tune-up procedures. Repair Rebuild: Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation for all major vehicle systems. Technical Depth Depth: Comprehensive, covering everything from basic fluid checks and adjustments to complete engine and transmission rebuilds. Includes detailed torque specifications, tolerances, and diagnostic flowcharts. 📊 Manual Specifications File Format Format: PDF Compatibility: All Versions of Windows & Mac Requirements: Adobe PDF Reader Print Quality Zoom Capability: High (zoom in anywhere on computer for clarity) Binding Type Type: Digital (N/A for physical binding) Paper Type Type: Digital (N/A for physical paper type) ⚙️ Engine Specifications Primary Engine 944 Base: 2.5L Inline-4 (M44.01/M44.02) 944S: 2.5L Inline-4, 16-valve (M44.06) 944 Turbo (951): 2.5L Turbocharged Inline-4 (M44.50/M44.51) Performance 944 Base (Approximate): 143-163 hp @ 5500-6000 rpm, 190-201 lb-ft @ 3000-3500 rpm 944S (Approximate): 183-190 hp @ 6000 rpm, 207-210 lb-ft @ 4500 rpm 944 Turbo (Approximate): 217-250 hp @ 6000 rpm, 245-270 lb-ft @ 3000-4000 rpm (depending on market/version) Fuel System Injection Type: Bosch L-Jetronic (944, 944S), Bosch Motronic (944 Turbo, later 944 models) Fuel Type: Unleaded Premium Gasoline 🔧 Transmission Standard 944/944S: 5-speed manual transaxle (016) 944 Turbo: 5-speed manual transaxle (016) with improved ratios and durability Optional 944/944S: 3-speed automatic transaxle (090), later 4-speed automatic available on some models. Features Transaxle Layout: Rear-mounted transaxle for optimal weight distribution (50/50 typical). Clutch Type: Single dry plate clutch 📐 Dimensions Exterior Wheelbase: Approximately 94.5 inches (2400 mm) Overall Length: Approximately 168 inches (4270 mm) Overall Width: Approximately 68.3 inches (1735 mm) Overall Height: Approximately 50.4 inches (1280 mm) Weights Curb Weight: Approximately 2700-3100 lbs (1225-1400 kg), varies by model and options Gross Vehicle Weight Rating: Approximately 3700-3900 lbs (1680-1770 kg) 🛡️ Safety Features Ratings Crash Test Results: Generally performed well for its era; specific NHTSA/IIHS ratings may vary by year and testing methodology. Known for robust chassis design. Active Features Braking: Four-wheel disc brakes (standard). Optional Anti-lock Braking System (ABS) on later models, particularly the Turbo. Steering: Power-assisted rack and pinion steering. Passive Features Airbags: Driver airbag standard on later models (introduced in 1987/1988). Passenger airbag optional or standard on later Turbo models. Seat Belts: Three-point inertia reel seatbelts with belt pretensioners. Rollover Protection: Integrated roll bar within the windshield frame, Targa-style roof panel designed for structural integrity. 💡 Technology Features Infotainment Audio System: Factory fitted Porsche CR-210 or Blaupunkt audio systems, often with cassette player. Optional CD changer compatibility on later models. Climate Control: Manual or optional automatic climate control systems. Driver Assistance ABS: Anti-lock Braking System (ABS) available as an option from mid-80s, standard on many Turbo models. Connectivity Features: Limited by era. No integrated Bluetooth or USB connectivity in original form. Aftermarket solutions are common. 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 miles or 12 months, whichever comes first (refer to manual for exact recommendations based on driving conditions). Timing Belt: Critical replacement interval: every 30,000-50,000 miles or 3-5 years due to interference engine design. Includes replacement of tensioners and idler pulleys. Brake Fluid: Every 2 years regardless of mileage. Fluid Specifications Engine Oil: SAE 0W-40 or 5W-40 synthetic oil meeting Porsche A40 approval, or API SN/SM/SL, ACEA A3/B4. Capacity: approx. 7.5-8.5 liters....