🏷️ Basic Information Identification Make: Porsche Model: 944 Model Variants Covered: 944, 944S, 944S2, 944 Turbo (951), 944 Turbo S (951) Production Years: 1982-1991 Codes Chassis Code: 944 Engine Codes Common: M44.01, M44.02, M44.03, M44.04, M44.05, M44.06, M44.08, M44.40, M44.41, M44.42, M44.43, M44.50, M44.51, M44.52, M44.53 👋 Introduction Market Position Target Audience: Do-it-yourself enthusiasts and experienced professional mechanics Value Proposition: Inexpensive way to maintain and repair the vehicle, equivalent to dealer-level service information Competitive Analysis Comparison To Dealer Manuals: Same type of manual used by local dealers Key Features Instructional Style: Step-by-step instructions with numbered points, notes, cautions, and warnings Navigability: Numbered table of contents for quick information retrieval Content Integrity: 100% complete and intact, no missing or corrupt pages/sections Download Benefit: Instant download, no uncertainty 📋 Manual Details Coverage Areas General Coverage: All styles and variants of the Porsche 944 produced between 1982 and 1991 Page Count Total Pages: > 2600 Manual Type Type: Service & Repair Manual / Workshop Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly and reassembly, cylinder head, cylinder block, pistons, crankshaft, camshafts, timing belt, oil pump, lubrication system. Engine Management: Fuel system (injection, fuel pump, injectors), ignition system (spark plugs, coils, timing), emission control systems (catalytic converter, O2 sensors), engine control unit (ECU) diagnostics. Cooling System: Radiator, water pump, thermostat, cooling fan system, hoses, coolant specifications. Drive Shaft And Differential: Drive shaft, CV joints, differential case assembly, axle shafts, fluid specifications. Clutch System: Clutch unit, clutch master cylinder, clutch release cylinder, clutch pedal, hydraulic system bleeding, fluid specifications. Brake System: Brake master cylinder, brake booster, brake fluid specifications, calipers, rotors, pads, lines, parking brake, ABS system (where applicable). Steering System: Power steering pump, steering rack, tie rods, steering column, fluid specifications. Suspension System: Front and rear suspension components (struts, shocks, control arms, bushings), wheel alignment specifications. Electrical System: Wiring diagrams, starting system (starter motor, battery), charging system (alternator, regulator), lighting system (headlamps, taillights), combination meter, wipers and washer system, power windows, power mirrors, horn. Body And Interior: Body repair, doors, windows, sunroof system, seat belts, airbags (SRS), interior trim, instrument panel. Wheels And Tires: Wheel and tire specifications, rotation, balancing, bolt patterns. Procedures Included Maintenance: Scheduled maintenance, fluid changes (oil, coolant, brake fluid, power steering fluid, transmission fluid), filter replacements, spark plug replacement, belt inspection/replacement. Troubleshooting: Diagnostic procedures for common problems, identification of fault codes (if applicable), symptom-based troubleshooting guides. Repair: Step-by-step instructions for component removal, installation, and repair across all major vehicle systems. Overhaul: Detailed procedures for engine and transmission overhauls. Diagnostics: Electrical system diagnostics, engine performance diagnostics, using diagnostic tools. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance and fluid checks to complete engine and transmission rebuilds, including detailed electrical system diagnostics and wiring diagrams. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows, Mac, Linux Print Quality Printability: Fully printable without restriction Illustration Quality: Detailed illustrations, drawings, and photos with enlarged insets Binding Type Binding: Digital (PDF Download) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-4 (944, 944S, 944S2), Turbocharged Inline-4 (944 Turbo, 944 Turbo S) Performance 944 Engine Displacement: 2.5 Liters (2479 cc) 944 Horsepower Range: 143-163 hp (depending on market and year) 944 Torque Range: 190-210 Nm (depending on market and year) 944S Engine Displacement: 2.5 Liters (2479 cc) 944S Horsepower: 190 hp 944S Torque: 230 Nm 944S2 Engine Displacement: 2.7 Liters (2681 cc) for early 87, then 3.0 Liters (2990 cc) from late 87 onwards 944S2 Horsepower: 211 hp (3.0L) 944S2 Torque: 280 Nm (3.0L) 944 Turbo 951 Engine Displacement: 2.5 Liters (2479 cc) 944 Turbo 951 Horsepower: 220 hp (US spec), 250 hp (Euro spec) 944 Turbo 951 Torque: 330 Nm (US spec), 350 Nm (Euro spec) 944 Turbo S 951 Horsepower: 250 hp 944 Turbo S 951 Torque: 340 Nm Fuel System Fuel Injection: Bosch L-Jetronic (early models), Bosch Motronic (later models and Turbos) Fuel Type Recommended: Unleaded gasoline (minimum octane rating varies by model and market, consult manual for specifics) 🔧 Transmission Standard Standard Transmission: 5-speed manual transaxle (all models) Optional Optional Transmission: 3-speed automatic transaxle (available on most models, but not Turbo S) Features Transaxle Layout: Rear-mounted transaxle (engine front, transmission rear for optimal weight distribution) 📐 Dimensions Exterior Body Styles: Coupe Weights Curb Weight Range: Approximately 1200 kg to 1400 kg (depending on model and equipment) 💡 Technology Features Infotainment Audio System: Factory installed radio/cassette players, often Blaupunkt or Becker, with varying speaker configurations. Limited connectivity by modern standards. Driver Assistance ABS: Anti-lock Braking System (ABS) available on later models and optional on some earlier ones. Airbags: Driver airbag standard on later models, passenger airbag optional or standard on some high-spec models. Supplemental Restraint System (SRS) diagnostics covered. 🔧 Maintenance Service Intervals Oil Change Interval:...