🏷️ Basic Information Identification Make: Porsche Model: 924 Years Covered: 1976-1985 Codes Chassis Code: 924 Engine Code Prefix: VW EA831 👋 Introduction Market Position Segment: Entry-level sports coupe / Gran Turismo Target Audience: Enthusiasts seeking an accessible Porsche experience, aspiring mechanics Competitive Analysis Key Competitors: Datsun 280ZX, Toyota Celica Supra, Mazda RX-7, Ford Capri Key Features Design Philosophy: Transaxle layout for balanced weight distribution, aerodynamic styling Manual Value Proposition: Provides comprehensive, professional-level repair and maintenance information for long-term ownership Manual Value Proposition Cost Effectiveness: Eliminates need for expensive dealership or independent specialist repairs for routine tasks 📋 Manual Details Coverage Areas Region: Global (primarily European and North American market specifications) Language: English Page Count Estimated Pages: Hundreds (specific count not provided, but described as extensive) Manual Type Type: Factory Service Repair Workshop Manual Format Digital Format: PDF Accessibility: Downloadable for computer, tablet, smartphone Licensing Usage License: Lifetime use, no expiry, no renewal fees Device Compatibility: Multi-device (Windows & MAC compatible) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, exhaust system Drivetrain: Transmission (manual and automatic), clutch, driveshafts, differential Chassis: Suspension (front and rear), steering, brakes (hydraulic system, components) Electrical: Wiring diagrams, lighting, instrumentation, starting and charging system, accessories Body: Body panels, doors, glass, interior trim, body sealing Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections Repair: Component removal, installation, overhaul, and adjustment for all major systems Troubleshooting: Diagnostic procedures, fault finding, symptom-based repairs Technical Specifications: Torque values, clearances, tolerances, fluid capacities, wiring schematics Technical Depth Diagnostic Capability: Advanced diagnostics and troubleshooting for complex issues Rebuild Scope: Comprehensive rebuild procedures for engine, transmission, and major components Visual Aid Quality Diagrams: Highly detailed exploded diagrams Photos: Detailed photos illustrating repair steps 📊 Manual Specifications File Format Format: PDF Searchability: Likely searchable text (common for professional PDFs) Print Quality Printability: Printable pages (single or entire manual) Binding Type Binding: N/A (Digital download) Paper Type Paper Type: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 (Volkswagen EA831 derived) Displacement: 2.0 Liters (1984 cc) Bore X Stroke: 80.0 mm x 99.3 mm Compression Ratio: 8.5:1 (standard) Performance Horsepower: Approx. 110-125 hp (depending on market and emissions control) Torque: Approx. 170 Nm (125 lb-ft) Fuel System Fuel Delivery: Bosch K-Jetronic CIS (Continuous Injection System) Fuel Type: Unleaded gasoline (premium recommended) Cooling System Cooling Type: Water-cooled Ignition System Ignition Type: Electronic Ignition Engine Oil Oil Capacity: Approx. 4.5 Liters (4.8 US quarts) with filter Recommended Oil Viscosity: 10W-40 or 15W-40 (refer to manual for ambient temperature variations) Oil Filter Part Number Example: Mann W712, Mahle OC11, Bosch 0451103032 (verify for specific model year) 🔧 Transmission Standard Type: 4-speed manual transaxle (early models) Optional Type: 3-speed automatic transaxle (e.g., Audi/VW 017) Features Layout: Transaxle (engine at front, gearbox and differential at rear) Fluid Type Manual Transmission Fluid: GL-4 SAE 75W-90 or 80W-90 gear oil (verify capacity and specific grade in manual) Automatic Transmission Fluid: Dexron II (or equivalent) Clutch Type: Dry single plate, hydraulically operated 📐 Dimensions Exterior Length: Approx. 4215 mm (165.9 in) Width: Approx. 1685 mm (66.3 in) Height: Approx. 1280 mm (50.4 in) Wheelbase: Approx. 2400 mm (94.5 in) Weights Curb Weight: Approx. 1170-1250 kg (2579-2756 lbs) Gross Vehicle Weight Rating: Approx. 1600 kg (3527 lbs) Cargo Trunk Volume: Moderate, with rear hatchback access 🛡️ Safety Features Ratings Crash Test Performance: Older vehicle design, crashworthiness data may be limited by modern standards. Manual would detail structural components. Active Features Braking System: Front: Ventilated discs, Rear: Drums (early), Rear: Discs (later models/options) Passive Features Seat Belts: 3-point inertia reel seat belts Body Structure: Reinforced chassis and safety cage construction 💡 Technology Features Infotainment Audio System: Basic AM/FM radio with cassette player, often optional premium sound systems were available. Driver Assistance Cruise Control: Optional on some models Air Conditioning: Optional on most models Connectivity Connectivity Features: Limited by era, primarily analog systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km (6,200 miles) or annually (refer to manual for precise intervals) Air Filter Replacement: Every 20,000 km (12,500 miles) or annually Fuel Filter Replacement: Every 20,000 km (12,500 miles) or annually (critical for K-Jetronic system) Spark Plug Replacement: Every 20,000-30,000 km (12,500-18,600 miles) Timing Belt Replacement: Crucial! Every 50,000-60,000 km (30,000-37,000 miles) or 5 years due to interference engine design. Manual will detail procedures and tensioning. Fluid Specifications Coolant Type: Ethylene glycol based antifreeze mixture (e.g., G11 specification) mixed with distilled water (50/50 ratio) Brake Fluid Type: DOT 3 or DOT 4 (verify in manual for system compatibility and moisture absorption) Power Steering Fluid: Specify type per manual, often ATF Dexron II or a dedicated hydraulic fluid. Known Issues Fuel System: K-Jetronic system can be sensitive to contamination, aging fuel lines, and worn distributors. Manual provides diagnostic steps. Timing Belt: Failure can cause catastrophic engine...