🏷️ Basic Information Identification Make: GMC Model: C2500 Year: 1993 Codes Chassis Code: GMT400 👋 Introduction Market Position Positioning: Essential DIY and professional repair resource for owners of the 1993 GMC C2500, offering convenience and comprehensive factory-derived data. Competitive Analysis Comparison: Offers a modern, accessible digital alternative to increasingly scarce and outdated printed manuals, with licensed OE data for accuracy. Key Features Licensing: Officially licensed and derived from OE (Original Equipment) materials. Accessibility: Instant online access from any internet-connected device with a web browser. Value Proposition: Cost savings through DIY repairs, convenience, and up-to-date, accurate information. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Component Replacement Page Count Estimated Pages: Varies (Software, extensive data) Manual Type Type: Digital Service and Repair Manual Software Language Language: English Format Format: Online Access (Web Browser), PC, Laptop, Smartphone, Tablet Compatible 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Cooling System, Exhaust System, Drivetrain (Transmission, Transfer Case, Axles, Driveshafts) Chassis: Suspension (Front and Rear), Steering System, Brake System (Front and Rear, ABS if equipped) Electrical: Electrical System, Starting and Charging System, Ignition System, Lighting, Instrumentation, Wiring Diagrams, Power Accessories Body: Body Panels, Doors, Windows, Seats, Interior Trim, HVAC System, Exterior Trim, Bumpers HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair, including component replacement (compressor, evaporator, heater core). Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Replacements, Tune-ups, Lubrication Repair: Engine Overhaul, Transmission Repair/Rebuild, Brake Component Replacement, Suspension Component Replacement, Steering Component Replacement, Electrical Component Diagnosis and Replacement Diagnostics: Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation if applicable Wiring Diagrams: Detailed electrical wiring diagrams for all vehicle systems, crucial for diagnosing electrical faults. Torque Specifications: Essential torque specifications for critical fasteners across all major component groups (engine, transmission, suspension, brakes). Technical Depth Depth: Comprehensive, from basic maintenance to detailed component repair and overhaul procedures Diagnostic Tools: Information on using diagnostic tools appropriate for the era, including basic scan tools if applicable for powertrain control modules. 📊 Manual Specifications File Format Format Details: Web-based access; no specific file format like PDF or executable specified, implying a dynamic online platform. Print Quality Quality: N/A (Digital Format) Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) Format Access Duration: One (1) year of access included with purchase, with discounts for extended access. ⚙️ Engine Specifications Primary Engine Engine Option 1: 4.3L V6 Vortec (LG4/LB4) Engine Option 1 Displacement: 262 cubic inches (4.3 Liters) Engine Option 2: 5.0L V8 (L03) Engine Option 2 Displacement: 305 cubic inches (5.0 Liters) Engine Option 3: 5.7L V8 (L05) Engine Option 3 Displacement: 350 cubic inches (5.7 Liters) Engine Option 4: 7.4L V8 (L19) Engine Option 4 Displacement: 454 cubic inches (7.4 Liters) Performance 4.3L V6 Horsepower: Approx. 160-165 hp 4.3L V6 Torque: Approx. 230-235 lb-ft 5.7L V8 Horsepower: Approx. 200-210 hp 5.7L V8 Torque: Approx. 300-310 lb-ft Fuel System Fuel Delivery: Throttle Body Injection (TBI) for most engines, potentially Multi-port Fuel Injection (MPI) for some variants. Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Option 1: 4-speed Automatic (700R4/4L60) Optional Transmission Option 2: 5-speed Manual (NV3500) Transmission Option 3: 4-speed Automatic (4L80-E) for heavier duty applications Features Transmission Cooling: External transmission cooler often integrated with radiator or standalone for towing applications. 📐 Dimensions Exterior Wheelbase Standard: 130 inches (3302 mm) for standard cab Wheelbase Extended: 155.5 inches (3950 mm) for extended cab Weights Curb Weight Range: Approx. 4,500 - 5,500 lbs (2041 - 2495 kg) depending on configuration. Gvwr Range: 6,200 - 7,200 lbs (2812 - 3266 kg) for C2500 models. 🛡️ Safety Features Ratings NHTSA Ratings: N/A (Vehicle safety ratings were not as standardized or publicly available in 1993 as they are today; manual will detail system specifics). Active Features Braking System: Power-assisted front disc brakes, rear drum brakes. Optional Anti-lock Braking System (ABS) for rear wheels. Passive Features Restraints: Seat belts (lap and shoulder belts for front occupants). 💡 Technology Features Infotainment Audio System: Factory AM/FM radio, cassette player, optional CD player. Manual will cover basic operation and speaker replacement. Driver Assistance ABS: Optional Anti-lock Braking System (ABS) primarily for rear wheels, improving stability during hard braking. Connectivity Connectivity Features: N/A (Limited to factory radio and optional power accessories; no integrated Bluetooth or modern connectivity). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 - 5,000 miles or 3-6 months, depending on driving conditions and oil type used. Manual will provide specific intervals based on oil type and usage. Transmission Fluid Change: Recommended every 30,000 - 60,000 miles or as per severe duty schedule. Manual will specify exact intervals and fluid type. Fluid Specifications Engine Oil Viscosity: Typically SAE 5W-30 or 10W-30 for most engines. Manual will confirm specific viscosity and API service classification. Coolant Type: GM recommended Green Ethylene Glycol...