🏷️ Basic Information Identification Make: Chevrolet Model: Corvette Chassis Code: C4 Year: 1987 Codes Vin Designation: 1G1YB02XXXXXX (first 11 digits identify model, engine, etc. last 6 are sequential) 👋 Introduction Market Position Target Audience: Chevrolet Corvette C4 owners, DIY mechanics, automotive repair shops Value Proposition: Empowers users to perform their own repairs, saving significant costs on labor Competitive Analysis Advantage: Comprehensive coverage and ease of use make it superior to generic repair guides Key Features Usability: Easy-to-follow step-by-step instructions and detailed pictures Accessibility: Downloadable to multiple devices for convenient access Permanence: Keep the manual forever after purchase and download 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Procedures Secondary Coverage: All Models, Engines, Trim Levels, Transmission Types Page Count Estimated Page Count: 1000+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, lubrication system, exhaust system, powertrain control module (PCM) Drivetrain: Automatic and Manual Transmissions, Driveshafts, Differentials, Axles Suspension Steering: Front and Rear Suspension, Steering Gear, Power Steering System, Wheel Alignment Brakes: Front and Rear Brakes (Disc), Parking Brake, Anti-lock Braking System (ABS) (if equipped) Electrical: Battery, Charging System, Starting System, Ignition System, Lighting System, Instrumentation, Power Accessories, Wiring Diagrams Body Chassis: Frame, Body Panels, Doors, Hood, Trunk, Interior Trim, Seats, Glass, Bumpers HVAC: Heating, Ventilation, and Air Conditioning (HVAC) System Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Diagnostics: Troubleshooting Guides, Symptom-Based Diagnostics, Diagnostic Trouble Codes (DTCs) Repair Rebuild: Component Removal, Installation, Overhaul, and Replacement Procedures Adjustments: Calibration, Adjustments, and Setting Procedures Wiring: Complete Electrical Schematics and Wiring Diagrams Technical Depth Depth: Comprehensive, from basic maintenance to major overhauls and diagnostics 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Compatibility: All PC & MAC Computers, Tablets, Mobile Phones (requires Adobe Reader) Searchability: Text-searchable PDF for easy information retrieval Print Quality Printability: High-resolution, printable pages (individual pages, chapters, or full manual) Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Quality: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: L98 Engine Type: 5.7L (350 ci) V8 Tuned Port Injection (TPI) Bore X Stroke: 4.00 in x 3.48 in (101.6 mm x 88.4 mm) Compression Ratio: 8.5:1 Performance Horsepower: 225 hp @ 4,400 rpm Torque: 330 lb-ft @ 3,200 rpm Fuel System Fuel Delivery: Tuned Port Injection (TPI) Fuel Type: Unleaded Gasoline (87 Octane Minimum Recommended) Engine Management ECM: Bosch LH-Jetronic (ECU control for fuel and ignition) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (700R4) Optional Transmission Type: 4+3 Manual (Manual transmission with overdrive on top 3 gears) Features Automatic Features: Electronic controls for shift points and torque converter clutch Manual Features: Close-ratio gearing for performance driving 📐 Dimensions Exterior Length: 176.5 inches (4483 mm) Width: 71.0 inches (1803 mm) Height: 46.7 inches (1186 mm) Wheelbase: 96.2 inches (2443 mm) Front Track: 61.0 inches (1549 mm) Rear Track: 61.2 inches (1554 mm) Weights Curb Weight: Approx. 3,200 - 3,400 lbs (1451 - 1542 kg) Gross Vehicle Weight Rating: Approx. 4,200 lbs (1905 kg) Cargo Cargo Volume: 14.0 cu ft (396 L) 🛡️ Safety Features Ratings NHTSA Front Impact: 4-Star (driver), 4-Star (passenger) - Based on historical data, actual ratings may vary Active Features Brakes: Four-wheel disc brakes ABS: Anti-lock Braking System (ABS) available on some models Passive Features Airbags: Driver-side airbag Seatbelts: 3-point front seat belts with shoulder belt height adjustment Structure: Reinforced safety cage construction 💡 Technology Features Infotainment Audio System: AM/FM Stereo Radio with Cassette Player, optional CD player Climate Control: Manual or automatic climate control systems Driver Assistance Cruise Control: Standard cruise control Instrumentation: Digital speedometer, analog tachometer, and a comprehensive array of warning lights and gauges Connectivity Connectivity Options: Limited to basic audio and power accessory connections; no modern connectivity features like Bluetooth or USB. 🔧 Maintenance Service Intervals Oil Change: Every 3,000 miles or 3 months, whichever comes first Air Filter: Inspect every 15,000 miles, replace as needed Spark Plugs: Replace every 30,000 miles Transmission Fluid: Change every 30,000 miles for automatic, inspect manual fluid every 60,000 miles Fluid Specifications Engine Oil: SAE 5W-30 or 10W-30 (API Service SG or higher) Coolant: GM Gen II Formula (50/50 mix of ethylene glycol and distilled water) Brake Fluid: DOT 3 Power Steering Fluid: Dexron III ATF Automatic Transmission Fluid: Dexron III ATF Manual Transmission Fluid: GL-4 Gear Oil (specified viscosity based on temperature, e.g., 75W-90) Known Issues Fuel System Components: Potential for injector clogging and fuel pressure regulator issues with TPI systems. Suspension Components: Wear in control arm bushings, ball joints, and tie rod ends is common due to age and mileage. Electrical Gremlins: Aging wiring harnesses and connectors can lead to intermittent electrical faults. 📚 Vehicle History Brand Heritage Chevrolet Legacy: Chevrolet has a...