Segment:
        
        
            Heavy-Duty Pickup Truck
        
     
    
        
            Target Audience:
        
        
            DIY mechanics, fleet maintenance, owners seeking in-depth repair knowledge.
        
     
    
    
        
            Competitors:
        
        
            Ford F-Series Super Duty, Dodge Ram 2500/3500.
        
     
    
        
            Differentiation:
        
        
            Focus on factory-derived, licensed OE information for accuracy and completeness.
        
     
    
    
        
            Licensed Content:
        
        
            Information derived from OE (Original Equipment) materials.
        
     
    
        
            Convenience:
        
        
            Instant online access, accessible from multiple devices, eliminating the need for physical manuals.
        
     
    
        
            Cost Effectiveness:
        
        
            More affordable than traditional printed manuals and professional repair services.
        
     
    
        
            Accuracy:
        
        
            Licensed OE data ensures the highest level of accuracy for repairs and diagnostics.
        
     
 
    
    
    
        
            Diagnostic Coverage:
        
        
            Extensive, including troubleshooting charts and diagnostic procedures.
        
     
    
        
            Mechanical Coverage:
        
        
            Comprehensive, covering all major mechanical systems.
        
     
    
        
            Electrical Coverage:
        
        
            Detailed, including wiring diagrams and component location.
        
     
    
        
            Body And Frame Coverage:
        
        
            Includes repair procedures for body panels, chassis, and frame.
        
     
    
    
        
            Estimated Page Count:
        
        
            Over 2000 (typical for comprehensive service manuals of this era, though the digital format may vary in presentation).
        
     
    
    
        
            Type:
        
        
            Service and Repair Manual (Software)
        
     
    
    
    
    
        
            Access Format:
        
        
            Online Access via Web Browser
        
     
    
        
            Compatibility:
        
        
            PC, Laptop, Smartphone, Tablet
        
     
    
        
            Subscription Period:
        
        
            1 Year Access
        
     
 
    
    
    
        
            Engine Management:
        
        
            Detailed diagnostics, repair, and overhaul for V8 and V6 gasoline engines.
        
     
    
        
            Fuel System:
        
        
            Injection system diagnosis and repair, fuel pump, injectors, pressure regulator.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, fan clutch, heater core replacement.
        
     
    
        
            Exhaust System:
        
        
            Catalytic converter, muffler, exhaust pipes, oxygen sensors.
        
     
    
        
            Drivetrain:
        
        
            Front and rear axle service, transfer case (4WD models), driveshafts, U-joints.
        
     
    
        
            Suspension:
        
        
            Front independent suspension (torsion bar), rear leaf springs, shocks, control arms.
        
     
    
        
            Steering:
        
        
            Power steering pump, gearbox, tie rods, steering linkage.
        
     
    
        
            Brakes:
        
        
            Front disc brakes, rear drum brakes (or disc brakes on some models), ABS system diagnosis and repair.
        
     
    
        
            Electrical System:
        
        
            Battery, alternator, starter, ignition system, lighting, power windows, locks, mirrors.
        
     
    
        
            HVAC:
        
        
            Air conditioning compressor, refrigerant system, heater core, blower motor, climate controls.
        
     
    
        
            Body And Frame:
        
        
            Body panel removal and installation, door mechanisms, glass replacement, chassis and frame inspection.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication.
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic procedures for common and uncommon faults.
        
     
    
        
            Repair:
        
        
            Detailed step-by-step repair instructions for all major components and systems.
        
     
    
        
            Rebuilds:
        
        
            Engine and transmission rebuild procedures, including specifications and clearances.
        
     
    
        
            Component Replacement:
        
        
            Removal and installation guides for virtually every component.
        
     
    
        
            Diagnostic Codes:
        
        
            OBD-II diagnostic trouble code (DTC) definitions and interpretation.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to complex diagnostics and component overhauls.
        
     
    
        
            Diagnostic Tools:
        
        
            Specifies required diagnostic tools and equipment.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners.
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed, color-coded wiring schematics for all vehicle circuits.
        
     
    
        
            Special Tools:
        
        
            Identification and usage instructions for specialized tools required for certain procedures.
        
     
 
    
    
    
        
            Engine Option 1:
        
        
            5.0L V8 (305 ci) Vortec 5000
        
     
    
        
            Engine Option 1 Power:
        
        
            Approx. 230 hp @ 4600 rpm
        
     
    
        
            Engine Option 1 Torque:
        
        
            Approx. 285 lb-ft @ 3200 rpm
        
     
    
        
            Engine Option 2:
        
        
            5.7L V8 (350 ci) Vortec 5700
        
     
    
        
            Engine Option 2 Power:
        
        
            Approx. 255 hp @ 4600 rpm
        
     
    
        
            Engine Option 2 Torque:
        
        
            Approx. 330 lb-ft @ 3200 rpm
        
     
    
        
            Engine Option 3:
        
        
            7.4L V8 (454 ci) Vortec 7400 (optional)
        
     
    
        
            Engine Option 3 Power:
        
        
            Approx. 300 hp @ 4000 rpm
        
     
    
        
            Engine Option 3 Torque:
        
        
            Approx. 410 lb-ft @ 3200 rpm
        
     
    
    
        
            Induction Type:
        
        
            Multi-port Fuel Injection (MPFI)
        
     
    
    
        
            Fuel Type:
        
        
            Unleaded Gasoline
        
     
 
    
    
    
        
            Radio Options:
        
        
            AM/FM stereo, cassette player, CD player (optional).
        
     
    
        
            Speaker System:
        
        
            Various speaker configurations available, typically 4-6 speakers.
        
     
    
    
        
            Cruise Control:
        
        
            Standard on most K3500 models.
        
     
    
    
        
            OBD Ii Port:
        
        
            Standard OBD-II diagnostic port for emissions and engine fault code retrieval.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 3,000-7,500 miles depending on usage and oil type (refer to manual for exact specifications).
        
     
    
        
            Transmission Fluid Change:
        
        
            Recommended every 30,000-50,000 miles for automatic transmissions, depending on towing and load conditions.
        
     
    
        
            Coolant Flush:
        
        
            Every 30,000-50,000 miles or 2-3 years.
        
     
    
    
        
            Engine Oil:
        
        
            Consult manual; typically SAE 5W-30 or 10W-30 synthetic blend for Vortec engines.
        
     
    
        
            Transmission Fluid Auto:
        
        
            Dexron III (or equivalent).
        
     
    
        
            Coolant:
        
        
            Dex-Cool (orange) or traditional green ethylene glycol coolant (refer to manual for specific type and capacity).
        
     
    
    
        
            Tps Failure:
        
        
            Throttle Position Sensor (TPS) failures can lead to erratic shifting or poor engine performance.
        
     
    
        
            Intake Manifold Gaskets:
        
        
            Leaking intake manifold gaskets, especially on early Vortec engines, can cause coolant and vacuum leaks.
        
     
    
        
            Rear Main Seal:
        
        
            Potential for rear main seal leaks, especially on higher mileage vehicles.
        
     
    
        
            Transfer Case Chain Wear:
        
        
            Wear on the transfer case chain in 4WD models can lead to noise or slipping.
        
     
    
        
            Steering Component Wear:
        
        
            Wear in ball joints, tie rod ends, and steering gear can occur due to the heavy-duty nature of the truck.
        
     
 
    
    
    
        
            Gmc Legacy:
        
        
            GMC has a long history of producing rugged and durable trucks, often positioned as professional-grade vehicles.
        
     
    
    
        
            K Series Lineage:
        
        
            The K-series represents GMC's 4WD truck line, evolving through various generations (like the C/K series) into the GMT400 platform.
        
     
    
    
        
            Gmt400 Production Period:
        
        
            1988-1998 (major redesign), with models up to 2002 in some configurations, making 1999 a late-model year within the broader GMT400 lifecycle.