🏷️ Basic Information Identification Make: Porsche Model: 928 GTS Year: 1992-1993 Codes Chassis Code: 928 Generation Generation: Fourth Generation (Facelift) 👋 Introduction Market Position Positioning: Premium Grand Tourer, positioned against competitors like Ferrari 412 and Aston Martin Virage. Competitive Analysis Competitors: Ferrari 412, Aston Martin Virage, BMW 850i. Key Features Unique Selling Points: Front-engine, rear-drive V8, advanced transaxle design, spacious interior, refined luxury. Target Audience Audience: Porsche enthusiasts, mechanics specializing in performance vehicles, owners seeking comprehensive repair information. 📋 Manual Details Coverage Areas Primary Coverage: Porsche 928 GTS Secondary Coverage: 1992 and 1993 Model Years Page Count Page Count: Unknown (PDF format allows for variable content) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnostics, tune-ups, lubrication system, cooling system, fuel system, ignition system. Transmission: Repair, overhaul, removal/installation, fluid specifications. Electrical: Complete wiring diagrams, component testing, diagnostics, lighting, power accessories. Body: Body repairs, panel replacement, trim, glass, doors, interior components. Suspension: Front and rear suspension, steering system, wheel alignment. Brakes: Brake system diagnostics, hydraulic components, ABS system (if equipped). Exhaust: Exhaust system components, repair procedures. Procedures Included Maintenance: Routine servicing, fluid changes, filter replacements, scheduled maintenance. Diagnostics: Troubleshooting guides, fault code interpretation, component testing. Repair: Detailed step-by-step repair procedures for all major vehicle systems. Overhaul: Complete engine and transmission overhaul procedures. Assembly Disassembly: Detailed procedures for removing and installing all major components and assemblies. Technical Depth Depth: Comprehensive, suitable for professional technicians and knowledgeable DIY enthusiasts. Special Tools: Identifies and illustrates required Porsche special tools with part numbers. Warnings Cautions Emphasis: Highlights WARNING, CAUTION, and NOTE statements for safety and critical procedures. 📊 Manual Specifications File Format Format: PDF Printability: Yes, printable pages. Delivery: Fast and Free Electronic Delivery via Email. Print Quality Quality: High resolution for clear text and diagrams. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V8 Displacement: 5.4 Liters (5344 cc) Bore X Stroke: 100.0 mm x 84.0 mm Compression Ratio: 10.4:1 Valve Train: SOHC, 2 Valves per Cylinder Performance Horsepower: 322 hp (237 kW) @ 5500 rpm Torque: 354 lb-ft (480 Nm) @ 4500 rpm Fuel System Fuel Delivery: Bosch LH-Jetronic Fuel Injection Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Cooling System Coolant Capacity: Approx. 12.5 Liters (13.2 US Quarts) Lubrication System Oil Capacity With Filter: Approx. 8.5 Liters (9.0 US Quarts) Recommended Oil Viscosity: SAE 0W-40 or 5W-40 (per Porsche specifications) 🔧 Transmission Standard Type: 5-Speed Manual Transaxle Optional Type: 4-Speed Automatic Transaxle (Tiptronic on later models, not explicitly stated for 928 GTS 92-93) Features Design: Rear Transaxle (engine in front, transmission at rear for weight distribution) Fluid Specifications Manual Transmission Fluid: GL-5 Gear Oil (e.g., Mobil 1 75W-90 or equivalent) Automatic Transmission Fluid: Dexron III or equivalent (check manual for specific Porsche specification) 📐 Dimensions Exterior Length: Approx. 4690 mm (184.6 in) Width: Approx. 1785 mm (70.3 in) Height: Approx. 1280 mm (50.4 in) Wheelbase: Approx. 2500 mm (98.4 in) Weights Curb Weight: Approx. 1550-1650 kg (3417-3638 lbs) Gross Vehicle Weight Rating: Unknown (refer to vehicle specific VIN plate) 🛡️ Safety Features Ratings Crash Test Results: Not readily available for this specific model year from common agencies like NHTSA. Porsche historically focused on structural integrity and passive safety systems. Active Features ABS: Standard (Bosch ABS III) Passive Features Airbags: Driver and passenger airbags (standard on GTS models). Seatbelts: 3-point inertia reel seatbelts with pretensioners. Chassis Design: Reinforced safety cage, crumple zones. 💡 Technology Features Infotainment Audio System: Porsche High-Fidelity Sound System with cassette player (CD changer optional). Climate Control: Automatic Climate Control (ACC) with electronic temperature regulation. Driver Assistance Cruise Control: Standard. Trip Computer: Standard. Comfort Features Seats: Power adjustable front seats with memory function, leather upholstery. Windows: Power windows, power mirrors. 🔧 Maintenance Service Intervals Oil Change: Every 5,000-7,500 miles (8,000-12,000 km) or annually, whichever comes first. Major Service: Timing belt replacement every 60,000 miles (96,000 km) or 5 years. Other major services as per manual recommendations. Fluid Specifications Coolant: Porsche approved G48 (ethylene glycol based) coolant mixed with distilled water (50/50 ratio). Brake Fluid: DOT 4 (high boiling point synthetic) Power Steering Fluid: Pentosin CHF 11S or equivalent approved by Porsche. Known Issues Common Problems: Fuel lines (especially in older models), cooling system hoses, window regulators, HVAC system (blower motor, blend doors), seized caliper pistons, electrical gremlins due to age. Timing Belt Maintenance: Crucial to follow recommended timing belt replacement intervals as failure can lead to catastrophic engine damage. 📚 Vehicle History Brand Heritage Brand Legacy: Porsche has a long-standing reputation for performance, engineering excellence, and motorsport success. Model Evolution 928 Development: Conceived as a successor to the 911, offering more comfort, practicality, and a V8 engine. The GTS represents the final...