🏷️ Basic Information Identification Make: Chevrolet Model: K2500 Year: 1990 Product Type: Service & Repair Manual Software 👋 Introduction Market Position Positioning: Essential diagnostic and repair resource for 1990 Chevrolet K2500 owners and technicians Competitive Analysis Advantage: Official licensing, OE material derivation, digital convenience, cost-effectiveness compared to print Key Features Feature 1: Instant digital access Feature 2: Comprehensive system coverage Feature 3: Licensed OE content for accuracy Feature 4: Detailed diagrams and illustrations 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Component Replacement, Overhaul Page Count Estimated Pages: Thousands (typical for a complete factory service manual) Manual Type Type: Factory-Derived Service Manual (Digital) Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, inspection, assembly, timing, lubrication, cooling, fuel, exhaust Engine Performance: Engine diagnostics, fuel injection system, ignition system, emissions control Transmission: Manual and automatic transmission service, repair, diagnostics, fluid specifications Drivetrain: Front and rear axles, driveshafts, U-joints, differentials, hubs, CV joints (if applicable) Suspension: Front and rear suspension components, alignment, shock absorbers, springs, bushings Steering: Steering column, steering gear, power steering system, linkages Brakes: Hydraulic system, ABS (if equipped), brake calipers, rotors, pads, lines, parking brake Electrical System: Battery, charging system, starting system, lighting, ignition, body electrical, diagnostics HVAC: Heating, ventilation, air conditioning system components, refrigerant, diagnostics Body And Frame: Body panel removal/installation, interior trim, doors, glass, frame inspection and repair Chassis: Frame, mounts, exhaust system routing Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, lubrication schedules Major Repairs: Engine overhaul, transmission rebuild, differential service, suspension component replacement Diagnostics: Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation Component Replacement: Step-by-step instructions for replacing virtually all mechanical and electrical components Specifications: Torque specifications, clearances, fluid capacities, electrical resistance values Technical Depth Depth: Comprehensive, factory-level detail suitable for professional technicians and advanced DIYers 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality Resolution: High-resolution, clear text and diagrams Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Access Access Period: 1 Year (with discounts for renewal) Compatibility Device Compatibility: PC, Laptop, Smartphone, Tablet (via web browser) ⚙️ Engine Specifications Primary Engine Engine Options: Multiple V8 gasoline engines, likely including 5.0L (305 ci) and 5.7L (350 ci) Vortec/TBI, and potentially a 7.4L (454 ci) option. Performance Horsepower Torque Range: Typical for this era: 160-230 HP and 240-380 lb-ft torque, depending on specific engine option. Fuel System Fuel Delivery: Throttle Body Injection (TBI) for most gasoline engines, potentially Carbureted on some earlier or base models. Ignition System Ignition Type: Electronic Ignition (EST/DIS or distributor-based) Cooling System Coolant Type: Ethylene Glycol (e.g., Dex-Cool compatible, or traditional green coolant) 🔧 Transmission Standard Transmission Options: Typically a 4-speed manual (NV4500 or similar) or a 4-speed automatic (700R4/4L60/4L80E). Optional Optional Transmissions: Heavy-duty automatic transmissions like the 4L80E would be common for K2500. Features Transmission Fluid: Dexron III/VI or equivalent for automatic transmissions; appropriate manual transmission fluid for manual units. 📐 Dimensions Exterior Body Styles: Regular Cab, Extended Cab (Club Coupe), Fleetside and Wideside bed configurations. Wheelbase: Various wheelbases available (e.g., 130" for Regular Cab, 154" for Extended Cab). Weights Gvwr: Gross Vehicle Weight Rating varies by configuration, but for K2500 typically in the 7,200-8,600 lbs range. Curb Weight: Varies significantly by cab, drivetrain, and options, but generally 4,500-5,500 lbs. 🛡️ Safety Features Ratings Crash Test Ratings: NHTSA ratings for 1990 are limited by modern standards, but typically focused on frontal impact. Likely rated as adequate or fair. Active Features Active Safety: Four-wheel Anti-lock Braking System (ABS) often standard on K2500, particularly rear-wheel ABS on earlier models and four-wheel ABS later. Passive Features Passive Safety: Seat belts (lap and shoulder belts), strong steel frame construction. 💡 Technology Features Infotainment Infotainment Features: Basic AM/FM radio, optional cassette player, and possibly a CD player. Analog gauges and climate controls. Driver Assistance Driver Assistance Features: Limited by modern standards; primarily ABS and possibly cruise control. Connectivity Connectivity Features: None (pre-digital era). Communication systems would be aftermarket accessories. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000-5,000 miles or 6 months, depending on driving conditions and oil type. Check manual for specific recommendations. Transmission Fluid Change: Automatic transmission fluid and filter typically recommended every 30,000-60,000 miles. Coolant Change: Engine coolant flush and replacement typically every 30,000-60,000 miles or 2-4 years. Fluid Specifications Engine Oil Type: API Service SG, SF, or SH classified oils. Viscosity typically 5W-30 or 10W-30 depending on climate and engine. Brake Fluid Type: DOT 3 brake fluid. Power Steering Fluid: Dexron II/III or compatible power steering fluid. Known Issues Common Wear Item: Ball joints, tie rod ends, universal joints (U-joints) due to heavy-duty use. Engine Tbi Issues: Throttle Body Injection (TBI) units can be prone...