🏷️ Basic Information Identification Make: GMC Model: Sierra 2500 Year: 2002 Generation Generation Code: GMT800 (Second Generation) Codes Platform: GMT800 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, fleet maintenance Competitive Analysis Advantage Over Print: Instant access, searchability, portability, cost-effectiveness, updated information (if applicable) Key Features Licensing: Officially licensed, derived from OE (Original Equipment) materials Provider: RepairSurge Interface: User-friendly, push-button access to information 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Software Language: English Format: Online Software (Web Browser Accessible) Access Period: 1 Year Subscription 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnostics, component replacement (e.g., pistons, rings, bearings, valves, camshafts, crankshafts, cylinder heads) Engine Electrical: Ignition system, starting and charging systems, fuel injection system, sensors and actuators, powertrain control module (PCM) diagnostics Transmission Manual: Service and repair procedures for manual transmissions (if applicable to specific models covered) Transmission Automatic: Service and repair procedures for automatic transmissions, including hydraulic control, torque converter, valve body, and electronic controls Drivetrain: Front and rear axles, driveshafts, universal joints, differential service, four-wheel-drive system (transfer case, front axle engagement) Suspension: Front and rear suspension components, ball joints, control arms, springs, shock absorbers, bushings, alignment specifications Steering: Power steering system, steering gear/rack and pinion, tie rods, steering column, alignment specifications Brakes: Front and rear brake systems (disc and drum), hydraulic system, ABS system diagnostics and repair, parking brake Electrical System: Wiring diagrams, lighting system, power windows, power door locks, mirrors, instrument cluster, interior and exterior lighting HVAC: Heating, ventilation, and air conditioning system diagnosis, refrigerant handling, component replacement (compressor, condenser, evaporator) Body And Chassis: Frame inspection and repair, body panel replacement, door and tailgate service, glass replacement, interior trim Diagnostic Trouble Codes: OBD-II code interpretation and troubleshooting procedures Procedures Included Preventive Maintenance: Oil and filter changes, fluid level checks, spark plug replacement, belt inspection and replacement, tire rotation Routine Repairs: Brake pad and rotor replacement, exhaust system repairs, suspension component replacement, minor engine diagnostics Major Repairs: Engine rebuilds, transmission overhauls, differential repairs, complex electrical diagnostics Troubleshooting: Step-by-step diagnostic procedures for common and uncommon vehicle issues Component Replacement: Detailed instructions for replacing virtually all major and minor vehicle components Electrical Schematics: Comprehensive wiring diagrams for all vehicle systems Torque Specifications: Exact torque values for all critical fasteners Diagnostic Flowcharts: Visual guides for diagnosing system failures Technical Depth Depth Level: Factory-level (OE) information Diagnostic Capability: Advanced diagnostics including sensor data interpretation and PCM troubleshooting Repair Complexity: Covers everything from basic fluid changes to complete engine and transmission rebuilds 📊 Manual Specifications File Format Access Method: Web browser via internet connection Compatibility: PC, Laptop, Smartphone, Tablet Print Quality Digital Resolution: High-resolution, clear text and diagrams Binding Type Binding: Not Applicable (Software) Paper Type Paper Quality: Not Applicable (Software) ⚙️ Engine Specifications Primary Engine Engine Options: 5.3L V8 Vortec (L59/LM7), 6.0L V8 Vortec (LQ4/LQ9), 8.1L V8 Vortec (L18) Performance 5.3L V8 (Lm7) Horsepower: 285 hp @ 5200 rpm 5.3L V8 (Lm7) Torque: 325 lb-ft @ 4000 rpm 6.0L V8 (Lq4) Horsepower: 300 hp @ 4400 rpm 6.0L V8 (Lq4) Torque: 360 lb-ft @ 3200 rpm 8.1L V8 (L18) Horsepower: 330 hp @ 4000 rpm 8.1L V8 (L18) Torque: 455 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Fuel Type: Unleaded gasoline 🔧 Transmission Standard Standard Transmission: 4-speed automatic (4L80-E, 4L60E - depending on configuration) Optional Optional Transmission: 5-speed manual (NV4500 - typically with 2500HD/3500 models, but may apply to some 2500) Features Automatic Transmission Features: Electronic control, overdrive Manual Transmission Features: Heavy-duty design, robust construction 📐 Dimensions Exterior Body Styles: Regular Cab, Extended Cab, Crew Cab Wheelbase Options: 130.0 in (Regular Cab), 143.5 in (Extended Cab), 153.0 in (Crew Cab) Bed Length Options: 6.5 ft (Standard Bed), 8.0 ft (Long Bed) Weights Curb Weight Range: Approx. 5,500 - 7,000 lbs (varies by configuration) Gvwr Range: Approx. 8,600 - 10,500 lbs Towing Capacity: Up to approx. 12,000+ lbs (depending on configuration and trailering package) Payload Capacity: Up to approx. 4,000+ lbs (depending on configuration) 🛡️ Safety Features Ratings NHTSA Frontal Crash Test: 5-star (Driver and Passenger) - For similar models of this era, specific data for 2002 Sierra 2500 may vary. Active Features Anti Lock Brakes: Standard (ABS) Traction Control: Available (StabiliTrak may be available on higher trims or later models) Passive Features Airbags: Driver and passenger front airbags Seatbelts: 3-point safety belts with pretensioners 💡 Technology Features Infotainment Infotainment System: Basic AM/FM stereo with CD player, optional cassette, available premium sound system Driver Assistance Driver Assistance Features: Cruise control, optional parking assist sensors (rear) Connectivity Connectivity Options: Limited by modern standards; typically includes power outlets 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000-5,000 miles or 6 months, or based on Oil Life Monitoring System (OLMS) Engine Oil Type: SAE 5W-30 synthetic blend or full synthetic recommended (check...