The Chevrolet Camaro, specifically the Third Generation (3rd Gen) model produced in 1990, stands as a significant entry in the rear-wheel drive sports coupe segment. Building on a legacy of performance vehicles, this generation represented a departure towards more aerodynamic and contemporary styling. Available with a range of potent V6 and V8 engines, including the 3.1L V6 and various 5.0L and 5.7L V8 options, the 1990 Camaro offered a compelling blend of performance and handling, particularly in its IROC-Z and Z28 variants. Its platform, known for improved dynamics over previous iterations, made it a popular choice among enthusiasts and a strong competitor in its class. This comprehensive service and repair manual is designed to be an indispensable resource for maintaining and repairing your 1990 Chevrolet Camaro. It covers all essential systems, including detailed engine specifications and procedures for the 3.1L V6 and 5.0L/5.7L V8 engines, transmissions (manual and automatic), brakes, suspension, steering, and electrical systems. The manual provides step-by-step instructions for maintenance tasks, troubleshooting common and complex issues, and performing in-depth diagnostics. With extensive coverage of wiring diagrams, torque specifications, and component replacement, this guide empowers owners and technicians to ensure the optimal performance and longevity of their vehicle. 🏷️ Basic Information Identification Make: Chevrolet Model: Camaro Year: 1990 Codes Chassis Code: Third Generation (3rd Gen) 👋 Introduction Market Position Segment: Rear-wheel drive sports coupe, popular among performance enthusiasts and aftermarket modification communities. Competitive Analysis Competitors: Ford Mustang, Pontiac Firebird. Key Features Platform: Third Generation F-body platform, known for its modern styling and improved handling compared to previous generations. 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, Maintenance, Diagnostics, Troubleshooting Page Count Estimated Pages: Extensive (Digital format, not fixed page count) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF Download (Digital Software) 📖 Manual Coverage Systems Covered Engine: Detailed coverage of 3.1L V6 (LHO) and 5.0L V8 (LB9, L03), 5.7L V8 (B2L) engines including disassembly, assembly, diagnostics, and specifications. Transmission: Coverage for 5-speed manual (ML9) and 4-speed automatic (700R4/4L60) transmissions, including hydraulic and electrical controls, repair procedures, and adjustments. Brakes: Includes disc and drum brake systems, ABS (if equipped), hydraulic system diagnosis, component replacement, and bleeding procedures. Suspension Steering: Front and rear suspension components, steering gear, power steering system, alignment specifications, and component replacement. Electrical Systems: Comprehensive wiring diagrams, component testing, charging system, starting system, lighting, instruments, and accessory circuits. HVAC: Air conditioning, heating, and ventilation system diagnosis, component replacement, refrigerant handling, and troubleshooting. Body Interior: Body panel removal and installation, interior trim, door mechanisms, glass replacement, and body sealing. Fuel System: Fuel injection systems (TBI and CPI), fuel pump, injectors, fuel pressure diagnosis, and emission control systems. Exhaust System: Exhaust manifold, catalytic converter, muffler, and pipe replacement. Exhaust Gas Recirculation: Diagnosis and servicing of the EGR system for emissions control. Cooling System: Radiator, water pump, thermostat, cooling fan operation, and system flushing/refilling. Ignition System: Distributor, ignition coil, spark plug wires, ignition module (ICM) testing and replacement. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement. Troubleshooting: Systematic diagnostic procedures for common and complex issues, symptom-based troubleshooting guides. Repair: Step-by-step instructions for component removal, overhaul, reassembly, and installation. Diagnostics: Procedures for checking sensor signals, actuator operation, and system faults using diagnostic tools and multimeters. Wheel Alignment: Specifications and procedures for front and rear wheel alignment adjustments. Engine Diagnostics: Diagnostic trouble codes (DTCs) for the ECM/PCM, sensor testing (e.g., MAF, MAP, O2, TPS), and actuator testing. Torque Specifications: Detailed torque specifications for all major fasteners and components. Technical Depth Depth: Comprehensive, covering everything from basic fluid changes to complete engine and transmission overhauls, with detailed wiring diagrams and diagnostic trees. Wiring Diagrams: Extensive and detailed color-coded wiring diagrams for all vehicle systems. 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF with clear diagrams and text. Print Quality Reproducibility: Printable pages, designed for clarity when printed. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1 Displacement Type: 3.1L V6 (LG7/LHO) Engine 1 Horsepower: Approximately 140 hp @ 4400 rpm Engine 1 Torque: Approximately 180 lb-ft @ 2800 rpm Engine 2 Displacement Type: 5.0L V8 (LB9 Tuned Port Injection - TPI) Engine 2 Horsepower: Approximately 190 hp @ 4000 rpm Engine 2 Torque: Approximately 295 lb-ft @ 2400 rpm Engine 3 Displacement Type: 5.0L V8 (L03 Throttle Body Injection - TBI) Engine 3 Horsepower: Approximately 170 hp @ 4000 rpm Engine 3 Torque: Approximately 255 lb-ft @ 2400 rpm Engine 4 Displacement Type: 5.7L V8 (B2L Tuned Port Injection - TPI, L98 engine for California) Engine 4 Horsepower: Approximately 225 hp @ 4000 rpm Engine 4 Torque: Approximately 330 lb-ft @ 2800 rpm Fuel System Fuel Injection Type: Throttle Body Injection (TBI) for 5.0L L03,...