Basic Information Identification Make: Chevrolet Model: Corvette Year: 1990 Generation Generation Designation: C4 Generation Years: 1984-1996 Codes Chassis Code: C4 Introduction Market Position Positioning: Essential resource for owners and independent repair facilities seeking factory-level repair and maintenance information for the 1990 Chevrolet Corvette. Competitive Analysis Comparison: Superior to generic repair guides due to its licensed, OE-derived content and focus on specific vehicle systems and procedures. Offers unmatched detail compared to online forums or anecdotal advice. Key Features Features: Instant download, year-round access, compatibility with multiple devices, factory-level accuracy, comprehensive coverage of all major systems. Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Component Replacement, Wiring Diagrams Page Count Estimated Page Count: Varies (Digital format, comprehensive content) Manual Type Type: Official Service Manual Software (Licensed OE Material) Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine: 350 ci (5.7L) L98 Tuned Port Injection V8, Engine Mechanical, Lubrication System, Cooling System, Fuel System, Ignition System, Emissions Control Drivetrain: 4-Speed Automatic Transmission (700R4/4L60), Clutch System (if applicable), Driveshaft, Differentials, Axles, Rear Wheel Drive System Brakes: Front and Rear Disc Brakes, Parking Brake System, ABS (Anti-lock Braking System) Components and Operation Suspension Steering: Front and Rear Independent Suspension, Steering Gear, Power Steering System, Alignment Specifications Electrical: Battery, Charging System (Alternator), Starting System (Starter), Lighting System, Instrument Panel, Power Accessories, Body Control Modules, Fuses, Relays, Wiring Diagrams (detailed schematic Body: Body Exterior and Interior Components, Doors, Windows, Seats, Roof Panel (Targa/Convertible), Bumpers, Trim HVAC: Heating System, Air Conditioning System, Ventilation Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Replacements (coolant, brake fluid, power steering fluid, transmission fluid), Spark Plug Replacement, Belt Inspection and Replacement Repair: Engine Rebuilds, Transmission Overhaul, Brake System Overhaul, Suspension Component Replacement, Electrical Component Diagnosis and Repair, Body Panel Repair and Replacement Troubleshooting: Diagnostic Flowcharts, Symptom-Based Troubleshooting Guides, Common Problem Identification Technical Depth Depth: Comprehensive (from basic fluid changes to complete engine and transmission overhauls, including electrical system diagnostics) Manual Specifications File Format File Type: PDF Print Quality Quality: High-Resolution (allows for clear viewing and printing of diagrams and text) Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Engine Specifications Primary Engine Engine Code: L98 Engine Type: V8 Displacement: 350 cubic inches (5.7 Liters) Fuel Delivery: Tuned Port Injection (TPI) Performance Horsepower: 245 hp @ 4,400 rpm Torque: 345 lb-ft @ 3,200 rpm Fuel System Fuel Type: Unleaded Gasoline (87 Octane Recommended) Fuel Pump Pressure: 43-50 PSI (approx.) Transmission Standard Transmission Type: 4-Speed Automatic (700R4/4L60) Transmission Fluid Capacity: Approx. 9.5 pints (4.5 Liters) (dry fill) Transmission Fluid Type: Dexron III (or equivalent) Optional Manual Transmission: None for 1990 model year Features Overdrive: Yes (4th gear) Dimensions Exterior Length: 178.3 inches Width: 70.4 inches Height: 46.4 inches Wheelbase: 96.2 inches Weights Curb Weight: Approx. 3,300 - 3,500 lbs (depending on options) Gross Vehicle Weight Rating: Approx. 4,500 lbs Safety Features Ratings NHTSA Frontal Crash Rating: Not rated or specific rating unavailable for this era. Active Features ABS: Standard (Bosch ABS II) Passive Features Airbags: Driver's side airbag Seatbelts: Three-point inertia-reel seat belts Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional CD player. Bose premium sound system available. Driver Assistance Cruise Control: Standard Climate Control: Manual or optional Automatic Climate Control (ACC) Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 6 months (whichever comes first) Transmission Fluid Change Interval: Every 30,000-50,000 miles (depending on driving conditions) Spark Plug Replacement Interval: Every 30,000-60,000 miles (depending on spark plug type) Fluid Specifications Engine Oil Type: SAE 5W-30 (synthetic recommended for improved performance and protection) Engine Oil Capacity: 5 Quarts (4.7 Liters) with filter Coolant Type: GM P/N 1052835 (or equivalent) - Green ethylene glycol based Coolant Capacity: Approx. 14.5 Quarts (13.7 Liters) Known Issues Common Problems: TPI system (injector seals, fuel pressure regulator), ABS sensor failures, exhaust manifold cracks, minor electrical gremlins, aging rubber suspension components. Vehicle History Brand Heritage Heritage: Chevrolet has a long-standing reputation for performance and innovation in American automotive history. Model Evolution C4 Evolution: The C4 generation, introduced in 1984, represented a significant departure from its predecessors with a focus on modern styling, improved aerodynamics, and enhanced performance. The 1990 model saw updates including revised suspension tuning and improved interior ergonomics. Production Manufacturing Location: Bowling Green, Kentucky, USA Production Volume 1990: Approximately 23,640 units Awards & Recognition Recognitions Automotive Awards: The C4 Corvette, as a platform, was consistently recognized for its performance and handling capabilities within its class during its production run.