🏷️ Basic Information Identification Make: Chevrolet Model: C1500 Year: 1990 Codes Chassis Code: GMT400 👋 Introduction Market Position Market Position: Essential resource for owners and independent repair shops needing accurate, factory-level repair information for the 1990 Chevrolet C1500. Competitive Analysis Competitive Analysis: Offers superior convenience and accessibility compared to older printed manuals. Licensed OE data ensures accuracy and completeness, surpassing generic repair guides. Key Features Key Features: Licensed OE materials, instant online access, compatibility with all digital devices, annual access with renewal options, detailed system coverage. 📋 Manual Details Coverage Areas Coverage Areas: Comprehensive service and repair information for the 1990 Chevrolet C1500. Page Count Page Count: Not specified, but described as comprehensive. Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Systems Covered: Engine, Drivetrain, Brakes, Suspension, Steering, Electrical System, HVAC, Body, Fuel System, Cooling System, Exhaust System, Ignition System, Power Steering, Frame and Body. Procedures Included Procedures Included: Maintenance, troubleshooting, diagnostics, repair, removal, installation, overhaul, and adjustment for all covered systems. Technical Depth Technical Depth: Factory-derived OE (Original Equipment) level detail, suitable for DIY mechanics and professional technicians. Includes detailed diagrams, specifications, and step-by-step instructions. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, suitable for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Displacement 1: 4.3L (262 cu in) V6 Engine Code 1: LB4 Engine Horsepower 1: 160 hp @ 4000 rpm Engine Torque 1: 230 lb-ft @ 2800 rpm Optional Engine 1 Engine Displacement 2: 5.0L (305 cu in) V8 Engine Code 2: L03 Engine Horsepower 2: 170 hp @ 4000 rpm Engine Torque 2: 255 lb-ft @ 2400 rpm Optional Engine 2 Engine Displacement 3: 5.7L (350 cu in) V8 Engine Code 3: L05 Engine Horsepower 3: 210 hp @ 4000 rpm Engine Torque 3: 300 lb-ft @ 2400 rpm Fuel System Fuel System Type: Electronic Fuel Injection (TBI - Throttle Body Injection) 🔧 Transmission Standard Standard Transmission: 4-speed Automatic (700R4/4L60) Optional Optional Transmission: 5-speed Manual (NV3500 for some configurations) Features Transmission Features: Lock-up torque converter on automatic transmissions for improved fuel economy. 📐 Dimensions Exterior 1 Wheelbase 1: 118.0 inches (Standard Bed) Exterior 2 Wheelbase 2: 131.5 inches (Long Bed) Exterior 3 Length 1: 194.7 inches (Standard Bed) Exterior 4 Length 2: 208.2 inches (Long Bed) Weights 1 Curb Weight Approx: 3,800 - 4,200 lbs (Varies by configuration) Weights 2 Gvw Range: 5,200 - 6,000 lbs (Varies by configuration) 🛡️ Safety Features Ratings NHTSA Rollover Rating: Not explicitly rated under modern NHTSA standards. Active Features Active Safety Features: Front disc and rear drum brakes with optional Anti-lock Braking System (ABS) on rear wheels. Passive Features Passive Safety Features: Lap and shoulder belts for front occupants, reinforced cabin structure. 💡 Technology Features Infotainment Infotainment System: Basic AM/FM radio with cassette player, optional CD player, manual climate controls. Driver Assistance Driver Assistance Features: Limited to optional ABS (rear axle only) for this model year. Connectivity Connectivity Features: None (No integrated Bluetooth, USB, or navigation). 🔧 Maintenance Service Intervals 1 Oil Change Interval: Every 3,000 to 5,000 miles or 6 months, whichever comes first (using recommended oil type). Service Intervals 2 Coolant Flush Interval: Every 24,000 miles or 2 years. Service Intervals 3 Spark Plug Replacement Interval: Approximately 30,000 to 60,000 miles, depending on spark plug type. Fluid Specifications 1 Engine Oil Specification: API SG or SH rated, SAE 5W-30 or 10W-30 (depending on ambient temperature). Fluid Specifications 2 Engine Oil Capacity 1: 4.5 quarts (4.3L V6) with filter. Fluid Specifications 3 Engine Oil Capacity 2: 5.0 quarts (5.0L V8) with filter. Fluid Specifications 4 Transmission Fluid Specification: Dexron-III (or equivalent) Automatic Transmission Fluid (ATF). Fluid Specifications 5 Transmission Fluid Capacity: Approximately 4.5 quarts (for dry fill of 700R4/4L60). Fluid Specifications 6 Coolant Specification: Ethylene Glycol based, 50/50 mix with distilled water. Known Issues 1 Common Issue Tbi Issues: Throttle Body Injection (TBI) system can be prone to issues with injectors, fuel pressure regulators, and idle air control (IAC) valves. Known Issues 2 Common Issue Heater Core: Heater core leaks are a known problem, often requiring dashboard removal for replacement. Known Issues 3 Common Issue Electrical: Aging wiring harnesses and connectors can lead to intermittent electrical problems. 📚 Vehicle History Brand Heritage Brand Heritage: Chevrolet has a long-standing legacy in the pickup truck market, known for durability and utility. Model Evolution Model Evolution: The 1990 C1500 marked the debut of the GMT400 platform, a complete redesign offering improved aerodynamics, ride comfort, and modern styling compared to its predecessors. Production Production Years: 1988-1998 (GMT400 platform) Production Locations Production Locations: Various General Motors assembly plants in North America. 📄 Wheels Tires Wheel Size Standard Wheel Size: 15-inch steel wheels Tire...