🏷️ Basic Information Identification Make: Porsche Model: 928 Year: 1979 Product Type: Repair Service Manual 👋 Introduction Market Position Target Audience: Professional technicians, experienced DIY mechanics, and Porsche 928 owners seeking in-depth repair knowledge. Competitive Analysis Manual Type Comparison: Equivalent to or superior to physical factory service manuals, offering instant accessibility and digital features. Key Features Diagnostic Emphasis: Designed to impart factory-trained technician knowledge, focusing on understanding and resolving issues effectively. Information Source: Covers topics typically found in factory service manuals and owner's manuals. 📋 Manual Details Coverage Areas Manual Coverage Scope: Comprehensive service and repair procedures for the 1979 Porsche 928. Page Count Estimated Page Count: Thousands (typical for comprehensive factory-level manuals) Manual Type Manual Type: Factory-level Repair and Service Manual Language Language: English Format File Format: PDF Digital Delivery: Instant Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, tuning, cooling system, lubrication system, fuel system, emission controls. Engine Electrical: Ignition system, starting and charging system, fuel injection system (CIS), engine control unit (ECU) diagnostics. Transmission: Manual and Automatic transmission overhaul, repair, fluid specifications, and adjustments. Drivetrain: Clutch assembly, driveshafts, differential, axle components. Suspension: Front and rear suspension systems, components, alignment specifications, shock absorbers, springs. Steering: Power steering system, steering rack, linkages, wheel alignment. Brakes: Hydraulic system, brake calipers, rotors, pads, parking brake, ABS (if applicable for late '79 models). Electrical System: Wiring diagrams, lighting system, instrumentation, power windows, power seats, climate control electricals, fuses and relays. Body And Chassis: Body panel removal/installation, door mechanisms, glass, interior trim, chassis components. Climate Control: HVAC system components, operation, repair, refrigerant handling. Procedures Included Maintenance Procedures: Routine maintenance checks, fluid changes, filter replacements, lubrication points. Diagnostic Procedures: Troubleshooting guides for common issues, diagnostic flowcharts, symptom-based troubleshooting. Repair Procedures: Step-by-step instructions for component disassembly, repair, and reassembly. Overhaul Procedures: Detailed instructions for complete engine and transmission overhauls. Adjustment Procedures: Engine timing, idle speed, fuel mixture, clutch, parking brake adjustments. Electrical Troubleshooting: Locating electrical faults using wiring diagrams and diagnostic techniques. Technical Depth Technical Depth Level: Factory-level, covering basic maintenance to complex overhauls and diagnostics. 📊 Manual Specifications File Format PDF Quality: High-resolution, suitable for clear viewing and printing. Print Quality Printability: Fully printable, allowing users to print specific sections or the entire manual. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Features Zoom Functionality: YES Requirements Software Requirements: Adobe PDF Reader, WinZip (for download extraction) Operating System Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: V8, front-mounted Engine Displacement: 4.5 Liters (4474 cc) Engine Code: M28.01 (Euro), M28.02 (US) Performance Horsepower Us Spec: Approx. 215-225 hp @ 5000 rpm (varies by market and emissions) Torque Us Spec: Approx. 245-265 lb-ft @ 3600 rpm (varies by market and emissions) Fuel System Fuel Delivery: Bosch K-Jetronic CIS (Continuous Injection System) Fuel Type: Unleaded gasoline (premium recommended) Ignition System Ignition Type: Electronic Ignition (Distributor-based) 🔧 Transmission Standard Transmission Type Us: 3-speed Automatic (e.g., 095 Type) Optional Transmission Type Euro: 5-speed Manual (e.g., 018 Type) Features Transmission Fluid Type: Dexron III or equivalent automatic transmission fluid (ATF); Gear oil for manual transmission (specific viscosity to be detailed in manual). 📐 Dimensions Exterior Length: Approx. 4500 mm (177.2 in) Width: Approx. 1780 mm (70.1 in) Height: Approx. 1280 mm (50.4 in) Weights Curb Weight Approx: Approx. 1550-1650 kg (3417-3638 lbs), depending on transmission and options. Wheels Tires Wheel Size Standard: 15-inch alloy wheels Tire Size Standard: 215/60 VR15 Bolt Pattern: 5x130 mm 🛡️ Safety Features Ratings Crash Safety Era: Designed to contemporary safety standards of the late 1970s, including crumple zones and safety belts. Active Features Braking System: Four-wheel disc brakes. Passive Features Seat Belts: Three-point inertia reel seat belts. Steering Column: Collapsible steering column. 💡 Technology Features Infotainment Original Infotainment: Analog instrumentation, AM/FM radio with cassette player (optional). Driver Assistance Cruise Control: Standard on most models. Comfort Features Power Features: Power steering, power windows, power door locks, optional power seats. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or annually (specific recommendation in manual). Major Service Interval: Detailed in manual; often includes timing belt inspection/replacement, cooling system service. Fluid Specifications Engine Oil Type: SAE 20W-50 or 10W-40 (API SG or equivalent, consult manual for exact specification and capacity). Coolant Type: Ethylene glycol-based antifreeze (Porsche recommends specific coolant, consult manual). Brake Fluid Type: DOT 3 or DOT 4 (refer to manual for precise specification). Known Issues Common Issues 1979 928: Potential issues include aging rubber components (hoses, seals), fuel distributor problems (K-Jetronic), electrical gremlins, HVAC system wear, and cooling system leaks. Manual provides solutions. 📚 Vehicle History Brand Heritage Porsche Legacy: Porsche, renowned for performance and engineering excellence, introduced the 928 as a departure from its traditional rear-engine sports cars. Model Evolution 928 Introduction: The 928 was launched in 1977...