🏷️ Basic Information Identification Make: GMC Model: Sierra 2500 Year: 1999 Product Type: Service & Repair Manual Software Product Name: 1999 GMC Sierra 2500 Service & Repair Manual Software 👋 Introduction Market Position Target Audience: DIYers, independent repair shops, fleet maintenance Competitive Analysis Advantage Over Print: Instant access, searchability, cost-effectiveness, updated information potential Key Features Developer: RepairSurge Convenience: No physical storage required, accessible from multiple devices User Interface: User-friendly, push-button access to information 📋 Manual Details Coverage Areas Primary Coverage: 1999 GMC Sierra 2500 Licensing: Officially Licensed, Derived from OE Materials Page Count Estimated Page Count: Extensive (Equivalent to multiple printed volumes) Manual Type Type: Online Service and Repair Manual Language Language: English Format Format: Web-based Software Accessibility: PC, Laptop, Smartphone, Tablet (via web browser and internet connection) Access Duration Duration: 1 Year (with discounts for renewal) 📖 Manual Coverage Systems Covered Engine: Comprehensive repair, diagnostics, and overhaul for all gasoline engines Transmission: Service and repair for automatic and manual transmissions Drivetrain: Front-wheel drive (if applicable), rear-wheel drive, axles, driveshafts, differentials Brakes: Hydraulic system, ABS, disc and drum brake service, parking brake Suspension: Front and rear suspension components, steering linkage, alignment specifications Steering: Power steering system, steering column, wheel and tire specifications Electrical: Wiring diagrams, component testing, starter, alternator, battery, lighting system HVAC: Heating, ventilation, and air conditioning system diagnosis and repair Body: Body panel removal/installation, interior trim, glass, bumpers Chassis: Frame, fuel system, exhaust system Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, lubrication Troubleshooting: Diagnostic procedures for common and uncommon issues Repair: Step-by-step repair instructions for all major systems Rebuild: Engine and transmission rebuild procedures Diagnostics: OBD-II diagnostic trouble codes (DTCs) and their meanings Technical Depth Depth: Comprehensive (from basic DIY to advanced technician level) 📊 Manual Specifications File Format File Type: Web-based Application Print Quality Printability: Content is accessible and can be printed page-by-page or section-by-section Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Option 1: 5.0L (305 cu in) Vortec 305 V8 (LM7) Engine Option 2: 5.7L (350 cu in) Vortec 350 V8 (L31) Engine Option 3: 7.4L (454 cu in) Vortec 454 V8 (L29) Performance Option 1 5.0L Vortec 305 V8: Approx. 230 hp @ 4600 rpm, 285 lb-ft @ 3200 rpm Performance Option 2 5.7L Vortec 350 V8: Approx. 255 hp @ 4600 rpm, 330 lb-ft @ 3200 rpm Performance Option 3 7.4L Vortec 454 V8: Approx. 295 hp @ 4000 rpm, 410 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Sequential Port Injection Fuel Type Recommended Fuel: Unleaded Gasoline Ignition System Ignition Type: Distributorless Ignition System (DIS) or Distributor Ignition (DI) depending on specific configuration 🔧 Transmission Standard Standard Transmission: 4-Speed Automatic (e.g., 4L60E for 5.0L/5.7L, 4L80E for 7.4L) Optional Optional Transmission: 5-Speed Manual (e.g., NV4500 for specific configurations) Features Transmission Features: Electronic transmission control (for automatics), overdrive 📐 Dimensions Exterior Length Approximate Length: Varies by cab/bed configuration (e.g., 246.4 inches for 8ft bed) Exterior Width Approximate Width: Approx. 78.7 inches Exterior Height Approximate Height: Approx. 75.5 inches Wheelbase Wheelbase Options: 130.0 inches (Regular Cab), 153.0 inches (Extended Cab) Weights Curb Weight Range: Approx. 4,800 - 5,600 lbs Gvwr Range: 6,400 - 8,600 lbs 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Not Rated (for 1999 model year) NHTSA Front Impact Passenger: Not Rated (for 1999 model year) Active Features ABS: Available Anti-lock Braking System (ABS) Passive Features Airbags: Driver and Passenger Airbags Seatbelts: 3-point front seatbelts with pretensioners 💡 Technology Features Infotainment Infotainment System: Basic AM/FM stereo with cassette and CD player options, manual climate controls Driver Assistance Driver Assistance Features: Limited to ABS and cruise control (if equipped) Connectivity Connectivity Options: No integrated connectivity features (e.g., Bluetooth, USB) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 3-6 months (refer to manual for specific engine/oil type) Transmission Fluid Change: Every 30,000-60,000 miles (refer to manual and driving conditions) Coolant Flush: Every 30,000-50,000 miles or 2-3 years Fluid Specifications Engine Oil Viscosity: Typically SAE 5W-30 or 10W-30 (confirm with manual based on engine and temperature) Transmission Fluid Type Auto: Dexron III (or compatible) Coolant Type: Conventional Green Ethylene Glycol based coolant (50/50 mix) Known Issues Common Issue 1: Intake manifold gasket leaks (Vortec engines) Common Issue 2: Cracked distributor caps/rotors (if equipped with distributor) Common Issue 3: Fuel pump failures Common Issue 4: Transmission shift solenoid issues (4L60E/4L80E) 📚 Vehicle History Brand Heritage Gmc Truck Legacy: GMC has a long history of producing reliable and robust trucks, emphasizing heavy-duty capabilities. Model Evolution Third Generation C K Platform: The 1999 Sierra 2500 is part of the GMT800 platform, the third generation of GM's full-size trucks, introducing significant styling and engineering updates. Production Manufacturing Location: Primarily Fort Wayne, Indiana, USA 🏆 Awards & Recognition Recognitions...