🏷️ Basic Information Identification Make: GMC Model: C2500 Suburban Year: 1993 Codes Platform Code: GMT400 👋 Introduction Market Position Target Audience: DIY Mechanics, Independent Repair Shops, Fleet Maintenance Competitive Analysis Advantage: Licensed OE Information, Digital Convenience, Cost-Effective Key Features Feature 1: Instant Access to Licensed Factory Data Feature 2: Cross-Platform Compatibility (PC, Laptop, Smartphone, Tablet) Feature 3: Extensive Coverage of All Major Vehicle Systems 📋 Manual Details Coverage Areas Coverage: Comprehensive Service and Repair Manual Type Type: Software Service & Repair Manual Language Language: English Format Format: Online Access (Web Browser Compatible) Access Duration: 1 Year (with discounts for extensions) 📖 Manual Coverage Systems Covered Engine: Complete Engine Service, Diagnosis, and Overhaul Drivetrain: Transmission (Automatic), Transfer Case, Axles, Driveshafts Suspension: Front and Rear Suspension, Steering Components Brakes: Hydraulic Brake System, ABS (if equipped), Parking Brake Electrical: Wiring Diagrams, Lighting, Ignition, Charging System, Starting System, Accessories HVAC: Heating, Ventilation, and Air Conditioning (HVAC) System Body: Body and Chassis Repair, Exterior Trim, Interior Components Fuel: Fuel System, Fuel Injection (TBI/MPI) Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements Troubleshooting: Diagnostic Procedures, Symptom-Based Troubleshooting Guides Repair: Step-by-Step Repair Instructions for All Major Systems Diagnostics: On-Board Diagnostics (OBD-I), Sensor Testing, Component Testing Technical Depth Depth: Factory-Level Diagnostic and Repair Procedures Detail Level: Torque Specifications, Component Removal/Installation, Reassembly 📊 Manual Specifications File Format Digital Format: Proprietary Web Application (Browser-Based) Print Quality Print Options: Printable pages (user dependent) Binding Type Binding: N/A (Digital Access) Paper Type Paper: N/A (Digital Access) ⚙️ Engine Specifications Primary Engine Engine Option 1: 454 cubic inch (7.4L) V8 (Vortec) Engine Option 2: 350 cubic inch (5.7L) V8 (Vortec) Engine Option 3: 4.3L V6 (VIN Z) Performance 454 Horsepower 454: 230 hp @ 4000 rpm Torque 454: 400 lb-ft @ 3200 rpm Performance 350 Horsepower 350: 210 hp @ 4000 rpm Torque 350: 300 lb-ft @ 2400 rpm Performance 4.3L Horsepower 4.3L: 160 hp @ 4000 rpm Torque 4.3L: 230 lb-ft @ 2400 rpm Fuel System Fuel Injection Type: Throttle Body Injection (TBI) for 5.7L and 454; Multi-Port Fuel Injection (MPFI) for 4.3L Fuel Requirements Octane Rating: 87 Octane (Recommended) 🔧 Transmission Standard Transmission Option 1: 4-Speed Automatic (TH400/4L80E for 454, 4L60E for 5.7L and 4.3L) Optional Transmission Option 2: 5-Speed Manual (NV4500 for 5.7L and 454, less common) Features Transfer Case: 2-speed Transfer Case (NP241 for 4WD) 📐 Dimensions Exterior Length Length: Approximately 220 inches (5588 mm) Exterior Width Width: Approximately 79.4 inches (2017 mm) Exterior Height Height: Approximately 77.1 inches (1958 mm) Wheelbase Wheelbase: 130 inches (3302 mm) Weights Curb Weight Estimate: 4,800 - 5,500 lbs (2177 - 2495 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Rating Notes: NHTSA crash test data from this era is limited and often not directly comparable to modern standards. The manual would contain diagnostic and repair procedures for safety systems. Active Features ABS: Optional Anti-lock Braking System (ABS) on rear wheels or all wheels. Passive Features Airbags: Driver-side airbag standard for 1993 model year. Seatbelts: Three-point front seat belts with shoulder belts. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player. Optional CD player. Driver Assistance Cruise Control: Standard or optional cruise control system. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or USB) 🔧 Maintenance Service Intervals Oil Oil Change Interval: Every 3,000 miles or 3 months (typical recommendation without synthetic oil) Fluid Specifications Oil Engine Oil Type: API SG/SH Service Classification, SAE 5W-30 or 10W-30 (check owner's manual for specific temperature ranges) Engine Oil Capacity 5.7L: 5 Quarts (4.7 Liters) with filter Engine Oil Capacity 7.4L: 7 Quarts (6.6 Liters) with filter Fluid Specifications Coolant Coolant Type: Conventional Green Ethylene Glycol (50/50 mix with distilled water) Fluid Specifications Transmission Automatic Transmission Fluid: Dexron-III (or equivalent) Known Issues Issue 1: Fuel pump failure (common on TBI models). Issue 2: Cracked exhaust manifolds (especially the 454 and 5.7L). Issue 3: Water pump leaks and bearing failure. Issue 4: Variable Steering Assist (VSA) pump or sensor issues. Issue 5: Corrosion on brake lines and chassis components. Filter Part Numbers Example Oil Filter 5.7L: AC Delco PF1218 (example, verify with specific VIN) Air Filter 5.7L: AC Delco A1033C (example, verify with specific VIN) 📚 Vehicle History Brand Heritage Brand Focus: GMC is General Motors' division focused on trucks and commercial vehicles. Model Evolution Generation Start: The C/K GMT400 platform was introduced in 1988 for trucks and 1992 for the redesigned Suburban. Suburban Positioning: The Suburban is a full-size, extended-length SUV, renowned for its passenger and cargo capacity. Production Manufacturing Location: Janesville, Wisconsin, USA 🏆 Awards & Recognition Recognitions Recognition Type: No specific industry awards are readily available for the 1993 model year. The Suburban's reputation is built on its durability and utility.