🏷️ Basic Information Identification Make: Porsche Model: 924 Year: 1981 Codes Chassis Code: Type 924 Engine Code Prefix: 924 👋 Introduction Market Position Historical Context: The Porsche 924 was a significant model for Porsche, marking its entry into the affordable sports coupe market and serving as a bridge between Porsche's high-performance heritage and broader customer appeal. Competitive Analysis Competitors: Competed with cars like the Toyota Celica, Datsun Z-cars, and other European coupes of the era. Key Features Unique Selling Points: Transaxle layout for optimal weight distribution, Porsche engineering and design, front-engine, rear-wheel-drive configuration, accessible entry point to Porsche ownership. Manual Value Target Audience: Professional technicians, experienced DIY mechanics, and Porsche enthusiasts looking for in-depth repair and maintenance information. Benefit: Empowers owners to understand and perform maintenance and repairs, leading to cost savings and proper vehicle upkeep. Crucial for maintaining the originality and value of a classic Porsche. 📋 Manual Details Coverage Areas Primary Coverage: Repair and Service of the Porsche 924 (1981 Model Year) Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Overhaul, and Reassembly Page Count Estimated Page Count: Approximately 1000-1500 pages (typical for comprehensive factory-level service manuals of this era) Manual Type Type: Repair Service Manual / Workshop Manual Language Language: English Format Delivery Method: Instant Digital Download File Format: PDF Printability: Full Printable Specifications Zoom Capability: Yes Requirements Software Requirements: Adobe PDF Reader, WinZip (for unzipping if applicable) Operating System Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine: Full coverage of the 2.0L inline-four engine (Volkswagen EA831), including engine mechanicals, fuel injection system (Bosch CIS), ignition system, cooling system, lubrication system, and emissions control. Transmission: Coverage for both manual (4-speed and optional 5-speed) and automatic transmissions, including internal components, clutches, driveshafts, and differential. Brakes: Detailed procedures for front disc brakes, rear drum brakes, hydraulic system, parking brake, and anti-lock braking system (if equipped on specific models/markets). Suspension Steering: Front MacPherson struts, rear semi-trailing arms, shock absorbers, springs, bushings, steering rack, power steering system, and wheel alignment. Electrical System: Comprehensive coverage of the 12-volt electrical system, including wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, wipers, power windows, and all associated control modules and relays. Body Chassis: Body structure, body panels, doors, hood, trunk lid, bumpers, glass, interior trim, seats, and chassis components. Fuel System: Detailed information on the Bosch K-Jetronic (CIS) fuel injection system, including fuel pump, fuel accumulator, pressure regulator, air flow meter, fuel injectors, and cold start valve. Exhaust System: Catalytic converter (if applicable), muffler, exhaust manifold, and pipework. Cooling System: Radiator, fan, thermostat, water pump, coolant hoses, and heater core. HVAC: Heating and ventilation systems, including blower motor, controls, and ducting. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks, tune-ups, and general upkeep. Troubleshooting: Diagnostic procedures for common problems, fault finding, and symptom-based repair guidance. Repair: Step-by-step instructions for component removal, disassembly, repair, cleaning, inspection, reassembly, and installation. Overhaul: Detailed procedures for complete engine, transmission, and major component overhauls. Diagnostics: Guidance on using diagnostic tools, testing electrical circuits, and interpreting system behavior. Disassembly Assembly: Comprehensive instructions for taking apart and putting back together all major systems and components. Technical Depth Depth Level: Factory-level technical detail suitable for professional technicians and advanced DIY enthusiasts. Accuracy: Designed to teach what factory-trained technicians know, emphasizing precision and correct procedures. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable pages for convenient on-site reference. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, longitudinally mounted Displacement: 2.0 Liters (1984 cc) Bore X Stroke: 84.0 mm x 90.0 mm Compression Ratio: 8.5:1 Fuel Delivery: Bosch K-Jetronic (CIS) Continuous Injection System Ignition System: Electronic Ignition (Distributor based) Performance Horsepower Bhp: 110 hp @ 5500 rpm (approx.) Torque Lb Ft: 120 lb-ft @ 3500 rpm (approx.) Fuel System Fuel Type: Unleaded Gasoline (Premium Recommended) Cooling System Coolant Type: Ethylene Glycol based antifreeze mixed with water (50/50 ratio recommended) Lubrication System Oil Capacity: Approx. 4.5 Liters (with filter) Recommended Oil Viscosity: 10W-40 or 20W-50 depending on climate (refer to manual for specific OEM recommendations) 🔧 Transmission Standard Type: 4-Speed Manual Transaxle Optional Type: 3-Speed Automatic Transaxle (Optional) Features Layout: Rear Transaxle design (engine front, gearbox rear) Fluid Specifications Manual Transmission Fluid: GL-4 Gear Oil (SAE 75W-90 or 80W-90 recommended, check specific manual) Automatic Transmission Fluid: Dexron II or equivalent automatic transmission fluid 📐 Dimensions Exterior Length: 4217 mm (166.0 in) Width: 1715 mm (67.5 in) Height: 1282 mm (50.5 in) Wheelbase: 2400 mm (94.5 in) Weights Curb Weight Kg: 1150-1200 kg (2535-2645 lbs) depending on transmission and equipment Gross Vehicle Weight Rating Kg: Approx. 1570 kg (3461 lbs) 🛡️ Safety Features Ratings Crash Test Data: Limited public data available for this era, but generally considered a safe vehicle for its time with...