🏷️ Basic Information Identification Make: Porsche Model: 944 Turbo S Year: 1988 Chassis Code: 944S2 Body Style: Coupe Powertrain Configuration: Front-engine, Rear-wheel drive 👋 Introduction Market Position Class: Sports Coupe Segment: Performance Grand Tourer Competitive Analysis Competitors: Ferrari 328 GTB, Chevrolet Corvette C4, Lotus Esprit Turbo Key Features Turbocharged Engine: Significantly more powerful variant of the 944's transaxle platform Handling: Renowned for balanced chassis and exceptional handling characteristics Design: Iconic Porsche styling with a focus on aerodynamic efficiency Manual Value Proposition: Enables owners and technicians to perform professional-level maintenance and repairs, saving costs and ensuring optimal performance. 📋 Manual Details Coverage Areas Coverage Scope: Complete Workshop Service & Repair Target Audience: Mechanical Technicians, Advanced DIY Enthusiasts Page Count Estimated Page Count: Extensive (specific number not provided, but implies comprehensive) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, overhaul, tuning, diagnostics Engine Management: Fuel system, ignition system, electronic engine control Transmission: Transmission repair, overhaul, removal, installation Drivetrain: Driveshafts, differential, axles Suspension: Front and rear suspension, struts, control arms, bushings Steering: Steering rack, power steering system Brakes: Brake system components, hydraulic system, parking brake Electrical System: Wiring diagrams, starter, alternator, battery, lighting, accessories HVAC: Heating, ventilation, and air conditioning system Body: Body panels, doors, windows, interior trim, seals Chassis: Chassis components, frame, subframes Procedures Included Routine Maintenance: Oil changes, fluid checks, filter replacements, tune-ups Diagnostics: Troubleshooting guides, diagnostic fault finding, symptom analysis Repair: Detailed step-by-step repair instructions for all covered systems Overhaul: Comprehensive procedures for major component rebuilds (e.g., engine, transmission) Installation: Removal and installation procedures for components and assemblies Adjustment: Adjustment procedures for various systems (e.g., ignition timing, valve clearances) Technical Depth Depth: Comprehensive, covering from basic maintenance to major overhaul and diagnostics Special Tools: Identification and usage of Porsche special tools with part numbers where applicable Proprietary Components: Includes instructions for proprietary component manufacturers where relevant 📊 Manual Specifications File Format Format: PDF Printability: Yes, printable Delivery: Fast and Free Electronic Delivery via Email Print Quality Quality: High-resolution PDF suitable for clear viewing and printing Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: M44.50 Engine Type: Inline-4, turbocharged, intercooled Displacement: 2.5 Liters (2479 cc) Bore X Stroke: 104.0 mm x 73.0 mm Compression Ratio: 8.5:1 Performance Horsepower: 250 hp @ 6000 rpm (247 hp for US market) Torque: 258 lb-ft (350 Nm) @ 4500 rpm Fuel System Fuel Delivery: Bosch Motronic Engine Management System with Multi-Point Fuel Injection Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Maintenance Timing Belt Replacement Interval: Every 40,000 - 50,000 miles or 4 years (critical item) 🔧 Transmission Standard Transmission Type: 5-speed Manual Transaxle Features Gear Ratios: Specific gear ratios detailed in the manual, optimized for performance Transmission Maintenance Transmission Fluid Type: GL-5 Gear Oil (Specific viscosity e.g., 75W-90, detailed in manual) 📐 Dimensions Exterior Length: 166.7 inches (4234 mm) Width: 68.9 inches (1750 mm) Height: 50.0 inches (1270 mm) Wheelbase: 94.5 inches (2400 mm) Weights Curb Weight: Approximately 3000 lbs (1360 kg) Gross Vehicle Weight Rating: Details in manual 🛡️ Safety Features Passive Features Airbags: Driver-side airbag (standard) Seatbelts: 3-point front seatbelts Active Features ABS: Anti-lock Braking System (ABS) Braking System: Four-wheel disc brakes, front ventilated, rear solid 💡 Technology Features Infotainment Audio System: Factory-provided premium sound system (e.g., Blaupunkt or Porsche branded), often with cassette deck. Driver Assistance ABS: Standard ABS system for enhanced braking control. Connectivity Vintage Technology: Limited to era-appropriate technology; no modern digital connectivity features. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 12 months (using synthetic oil) Brake Fluid Flush: Every 2 years Fluid Specifications Engine Oil: Synthetic 5W-40 or 5W-50 (refer to manual for exact Porsche A40 approval or equivalent) Coolant: Porsche Approved Coolant (e.g., G40 specification, typically a long-life silicate-free coolant, mixed 50/50 with distilled water) Power Steering Fluid: Pentosin CHF 11S or equivalent hydraulic fluid (specific details in manual) Known Issues Common Wear Items: Timing belt, tensioners, water pump, clutch, CV joints, suspension bushings, fuel pump, catalytic converter. Electrical Gremlins: Age-related issues with wiring harnesses and connectors are common. 📚 Vehicle History Brand Heritage Brand Legacy: Porsche is renowned for its performance-oriented sports cars with a history dating back to 1931. Model Evolution 944 Development: The 944 was a significant evolution from the 924, featuring a more powerful transaxle design and improved handling. The Turbo S represented the pinnacle of the 944 series. Production Production Period: The 944 Turbo S was a limited production model, primarily for the 1988 model year. 🏆 Awards & Recognition Recognitions Automotive Press: The 944 Turbo S was praised by automotive journalists for its performance, handling, and build quality, often lauded as one of the best handling front-engine Porsches.